diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-11 02:33:54 +0300 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-11 02:33:54 +0300 |
commit | b7b8e3689aa0b2def48b8c6eb1df060902eb2c0a (patch) | |
tree | 13e70f87a3af6f71fcd65580054924966638170e /drivers | |
parent | fc80c51fd4b23ec007e88d4c688f2cac1b8648e7 (diff) | |
parent | e6b6e19a4be74fb3b96f66d478ed69a088e4d11c (diff) | |
download | linux-b7b8e3689aa0b2def48b8c6eb1df060902eb2c0a.tar.xz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
- fix for some modern devices that return multi-byte battery report,
from Grant Likely
- fix for devices with Resolution Multiplier, from Peter Hutterer
- device probing speed increase, from Dmitry Torokhov
- ThinkPad 10 Ultrabook Keyboard support, from Hans de Goede
- other small assorted fixes and device ID additions
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: quirks: add NOGET quirk for Logitech GROUP
HID: Replace HTTP links with HTTPS ones
HID: udraw-ps3: Replace HTTP links with HTTPS ones
HID: mcp2221: Replace HTTP links with HTTPS ones
HID: input: Fix devices that return multiple bytes in battery report
HID: lenovo: Fix spurious F23 key press report during resume from suspend
HID: lenovo: Add ThinkPad 10 Ultrabook Keyboard fn_lock support
HID: lenovo: Add ThinkPad 10 Ultrabook Keyboard support
HID: lenovo: Rename fn_lock sysfs attr handlers to make them generic
HID: lenovo: Factor out generic parts of the LED code
HID: lenovo: Merge tpkbd and cptkbd data structures
HID: intel-ish-hid: Replace PCI_DEV_FLAGS_NO_D3 with pci_save_state
HID: Wiimote: Treat the d-pad as an analogue stick
HID: input: do not run GET_REPORT unless there's a Resolution Multiplier
HID: usbhid: remove redundant assignment to variable retval
HID: usbhid: do not sleep when opening device
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/hid/Kconfig | 2 | ||||
-rw-r--r-- | drivers/hid/hid-cp2112.c | 2 | ||||
-rw-r--r-- | drivers/hid/hid-ids.h | 2 | ||||
-rw-r--r-- | drivers/hid/hid-input.c | 36 | ||||
-rw-r--r-- | drivers/hid/hid-lenovo.c | 360 | ||||
-rw-r--r-- | drivers/hid/hid-mcp2221.c | 2 | ||||
-rw-r--r-- | drivers/hid/hid-quirks.c | 1 | ||||
-rw-r--r-- | drivers/hid/hid-udraw-ps3.c | 2 | ||||
-rw-r--r-- | drivers/hid/hid-wiimote-core.c | 5 | ||||
-rw-r--r-- | drivers/hid/hid-wiimote-modules.c | 67 | ||||
-rw-r--r-- | drivers/hid/hid-wiimote.h | 2 | ||||
-rw-r--r-- | drivers/hid/intel-ish-hid/ipc/pci-ish.c | 16 | ||||
-rw-r--r-- | drivers/hid/usbhid/hid-core.c | 55 | ||||
-rw-r--r-- | drivers/hid/usbhid/usbhid.h | 2 |
14 files changed, 404 insertions, 150 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 45e87dc59d4e..05315b434276 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -20,7 +20,7 @@ config HID removed from the HID bus by the transport-layer drivers, such as usbhid (USB_HID) and hidp (BT_HIDP). - For docs and specs, see http://www.usb.org/developers/hidpage/ + For docs and specs, see https://www.usb.org/developers/hidpage/ If unsure, say Y. diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index db1b55df0d13..f64517bc33e2 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -11,7 +11,7 @@ * host communicates with the CP2112 via raw HID reports. * * Data Sheet: - * http://www.silabs.com/Support%20Documents/TechnicalDocs/CP2112.pdf + * https://www.silabs.com/Support%20Documents/TechnicalDocs/CP2112.pdf * Programming Interface Specification: * https://www.silabs.com/documents/public/application-notes/an495-cp2112-interface-specification.pdf */ diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 6f370e020feb..6221888aae99 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -724,6 +724,7 @@ #define USB_DEVICE_ID_LENOVO_CUSBKBD 0x6047 #define USB_DEVICE_ID_LENOVO_CBTKBD 0x6048 #define USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL 0x6049 +#define USB_DEVICE_ID_LENOVO_TP10UBKBD 0x6062 #define USB_DEVICE_ID_LENOVO_TPPRODOCK 0x6067 #define USB_DEVICE_ID_LENOVO_X1_COVER 0x6085 #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D 0x608d @@ -773,6 +774,7 @@ #define USB_DEVICE_ID_LOGITECH_G27_WHEEL 0xc29b #define USB_DEVICE_ID_LOGITECH_WII_WHEEL 0xc29c #define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a +#define USB_DEVICE_ID_LOGITECH_GROUP_AUDIO 0x0882 #define USB_DEVICE_ID_S510_RECEIVER 0xc50c #define USB_DEVICE_ID_S510_RECEIVER_2 0xc517 #define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500 0xc512 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index dea9cc65bf80..b8eabf206e74 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -350,13 +350,13 @@ static int hidinput_query_battery_capacity(struct hid_device *dev) u8 *buf; int ret; - buf = kmalloc(2, GFP_KERNEL); + buf = kmalloc(4, GFP_KERNEL); if (!buf) return -ENOMEM; - ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 2, + ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 4, dev->battery_report_type, HID_REQ_GET_REPORT); - if (ret != 2) { + if (ret < 2) { kfree(buf); return -ENODATA; } @@ -1560,21 +1560,12 @@ static bool __hidinput_change_resolution_multipliers(struct hid_device *hid, { struct hid_usage *usage; bool update_needed = false; + bool get_report_completed = false; int i, j; if (report->maxfield == 0) return false; - /* - * If we have more than one feature within this report we - * need to fill in the bits from the others before we can - * overwrite the ones for the Resolution Multiplier. - */ - if (report->maxfield > 1) { - hid_hw_request(hid, report, HID_REQ_GET_REPORT); - hid_hw_wait(hid); - } - for (i = 0; i < report->maxfield; i++) { __s32 value = use_logical_max ? report->field[i]->logical_maximum : @@ -1593,6 +1584,25 @@ static bool __hidinput_change_resolution_multipliers(struct hid_device *hid, if (usage->hid != HID_GD_RESOLUTION_MULTIPLIER) continue; + /* + * If we have more than one feature within this + * report we need to fill in the bits from the + * others before we can overwrite the ones for the + * Resolution Multiplier. + * + * But if we're not allowed to read from the device, + * we just bail. Such a device should not exist + * anyway. + */ + if (!get_report_completed && report->maxfield > 1) { + if (hid->quirks & HID_QUIRK_NO_INIT_REPORTS) + return update_needed; + + hid_hw_request(hid, report, HID_REQ_GET_REPORT); + hid_hw_wait(hid); + get_report_completed = true; + } + report->field[i]->value[j] = value; update_needed = true; } diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c index 96fa2a2c2cd3..c6c8e20f3e8d 100644 --- a/drivers/hid/hid-lenovo.c +++ b/drivers/hid/hid-lenovo.c @@ -29,29 +29,67 @@ #include <linux/hid.h> #include <linux/input.h> #include <linux/leds.h> +#include <linux/workqueue.h> #include "hid-ids.h" -struct lenovo_drvdata_tpkbd { +struct lenovo_drvdata { + u8 led_report[3]; /* Must be first for proper alignment */ int led_state; + struct mutex led_report_mutex; struct led_classdev led_mute; struct led_classdev led_micmute; + struct work_struct fn_lock_sync_work; + struct hid_device *hdev; int press_to_select; int dragging; int release_to_select; int select_right; int sensitivity; int press_speed; -}; - -struct lenovo_drvdata_cptkbd { u8 middlebutton_state; /* 0:Up, 1:Down (undecided), 2:Scrolling */ bool fn_lock; - int sensitivity; }; #define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c)) +#define TP10UBKBD_LED_OUTPUT_REPORT 9 + +#define TP10UBKBD_FN_LOCK_LED 0x54 +#define TP10UBKBD_MUTE_LED 0x64 +#define TP10UBKBD_MICMUTE_LED 0x74 + +#define TP10UBKBD_LED_OFF 1 +#define TP10UBKBD_LED_ON 2 + +static void lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code, + enum led_brightness value) +{ + struct lenovo_drvdata *data = hid_get_drvdata(hdev); + int ret; + + mutex_lock(&data->led_report_mutex); + + data->led_report[0] = TP10UBKBD_LED_OUTPUT_REPORT; + data->led_report[1] = led_code; + data->led_report[2] = value ? TP10UBKBD_LED_ON : TP10UBKBD_LED_OFF; + ret = hid_hw_raw_request(hdev, data->led_report[0], data->led_report, 3, + HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); + if (ret) + hid_err(hdev, "Set LED output report error: %d\n", ret); + + mutex_unlock(&data->led_report_mutex); +} + +static void lenovo_tp10ubkbd_sync_fn_lock(struct work_struct *work) +{ + struct lenovo_drvdata *data = + container_of(work, struct lenovo_drvdata, fn_lock_sync_work); + + lenovo_led_set_tp10ubkbd(data->hdev, TP10UBKBD_FN_LOCK_LED, + data->fn_lock); +} + static const __u8 lenovo_pro_dock_need_fixup_collection[] = { 0x05, 0x88, /* Usage Page (Vendor Usage Page 0x88) */ 0x09, 0x01, /* Usage (Vendor Usage 0x01) */ @@ -179,6 +217,44 @@ static int lenovo_input_mapping_scrollpoint(struct hid_device *hdev, return 0; } +static int lenovo_input_mapping_tp10_ultrabook_kbd(struct hid_device *hdev, + struct hid_input *hi, struct hid_field *field, + struct hid_usage *usage, unsigned long **bit, int *max) +{ + /* + * The ThinkPad 10 Ultrabook Keyboard uses 0x000c0001 usage for + * a bunch of keys which have no standard consumer page code. + */ + if (usage->hid == 0x000c0001) { + switch (usage->usage_index) { + case 8: /* Fn-Esc: Fn-lock toggle */ + map_key_clear(KEY_FN_ESC); + return 1; + case 9: /* Fn-F4: Mic mute */ + map_key_clear(KEY_MICMUTE); + return 1; + case 10: /* Fn-F7: Control panel */ + map_key_clear(KEY_CONFIG); + return 1; + case 11: /* Fn-F8: Search (magnifier glass) */ + map_key_clear(KEY_SEARCH); + return 1; + case 12: /* Fn-F10: Open My computer (6 boxes) */ + map_key_clear(KEY_FILE); + return 1; + } + } + + /* + * The Ultrabook Keyboard sends a spurious F23 key-press when resuming + * from suspend and it does not actually have a F23 key, ignore it. + */ + if (usage->hid == 0x00070072) + return -1; + + return 0; +} + static int lenovo_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) @@ -199,6 +275,9 @@ static int lenovo_input_mapping(struct hid_device *hdev, case USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL: return lenovo_input_mapping_scrollpoint(hdev, hi, field, usage, bit, max); + case USB_DEVICE_ID_LENOVO_TP10UBKBD: + return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field, + usage, bit, max); default: return 0; } @@ -242,7 +321,7 @@ static int lenovo_send_cmd_cptkbd(struct hid_device *hdev, static void lenovo_features_set_cptkbd(struct hid_device *hdev) { int ret; - struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev); + struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock); if (ret) @@ -253,23 +332,23 @@ static void lenovo_features_set_cptkbd(struct hid_device *hdev) hid_err(hdev, "Sensitivity setting failed: %d\n", ret); } -static ssize_t attr_fn_lock_show_cptkbd(struct device *dev, +static ssize_t attr_fn_lock_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev); + struct lenovo_drvdata *data = hid_get_drvdata(hdev); - return snprintf(buf, PAGE_SIZE, "%u\n", cptkbd_data->fn_lock); + return snprintf(buf, PAGE_SIZE, "%u\n", data->fn_lock); } -static ssize_t attr_fn_lock_store_cptkbd(struct device *dev, +static ssize_t attr_fn_lock_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev); + struct lenovo_drvdata *data = hid_get_drvdata(hdev); int value; if (kstrtoint(buf, 10, &value)) @@ -277,8 +356,17 @@ static ssize_t attr_fn_lock_store_cptkbd(struct device *dev, if (value < 0 || value > 1) return -EINVAL; - cptkbd_data->fn_lock = !!value; - lenovo_features_set_cptkbd(hdev); + data->fn_lock = !!value; + + switch (hdev->product) { + case USB_DEVICE_ID_LENOVO_CUSBKBD: + case USB_DEVICE_ID_LENOVO_CBTKBD: + lenovo_features_set_cptkbd(hdev); + break; + case USB_DEVICE_ID_LENOVO_TP10UBKBD: + lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value); + break; + } return count; } @@ -288,7 +376,7 @@ static ssize_t attr_sensitivity_show_cptkbd(struct device *dev, char *buf) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev); + struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); return snprintf(buf, PAGE_SIZE, "%u\n", cptkbd_data->sensitivity); @@ -300,7 +388,7 @@ static ssize_t attr_sensitivity_store_cptkbd(struct device *dev, size_t count) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev); + struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); int value; if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) @@ -313,10 +401,10 @@ static ssize_t attr_sensitivity_store_cptkbd(struct device *dev, } -static struct device_attribute dev_attr_fn_lock_cptkbd = +static struct device_attribute dev_attr_fn_lock = __ATTR(fn_lock, S_IWUSR | S_IRUGO, - attr_fn_lock_show_cptkbd, - attr_fn_lock_store_cptkbd); + attr_fn_lock_show, + attr_fn_lock_store); static struct device_attribute dev_attr_sensitivity_cptkbd = __ATTR(sensitivity, S_IWUSR | S_IRUGO, @@ -325,7 +413,7 @@ static struct device_attribute dev_attr_sensitivity_cptkbd = static struct attribute *lenovo_attributes_cptkbd[] = { - &dev_attr_fn_lock_cptkbd.attr, + &dev_attr_fn_lock.attr, &dev_attr_sensitivity_cptkbd.attr, NULL }; @@ -354,10 +442,28 @@ static int lenovo_raw_event(struct hid_device *hdev, return 0; } +static int lenovo_event_tp10ubkbd(struct hid_device *hdev, + struct hid_field *field, struct hid_usage *usage, __s32 value) +{ + struct lenovo_drvdata *data = hid_get_drvdata(hdev); + + if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { + /* + * The user has toggled the Fn-lock state. Toggle our own + * cached value of it and sync our value to the keyboard to + * ensure things are in sync (the sycning should be a no-op). + */ + data->fn_lock = !data->fn_lock; + schedule_work(&data->fn_lock_sync_work); + } + + return 0; +} + static int lenovo_event_cptkbd(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { - struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev); + struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); /* "wheel" scroll events */ if (usage->type == EV_REL && (usage->code == REL_WHEEL || @@ -396,6 +502,8 @@ static int lenovo_event(struct hid_device *hdev, struct hid_field *field, case USB_DEVICE_ID_LENOVO_CUSBKBD: case USB_DEVICE_ID_LENOVO_CBTKBD: return lenovo_event_cptkbd(hdev, field, usage, value); + case USB_DEVICE_ID_LENOVO_TP10UBKBD: + return lenovo_event_tp10ubkbd(hdev, field, usage, value); default: return 0; } @@ -404,7 +512,7 @@ static int lenovo_event(struct hid_device *hdev, struct hid_field *field, static int lenovo_features_set_tpkbd(struct hid_device *hdev) { struct hid_report *report; - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4]; @@ -425,7 +533,7 @@ static ssize_t attr_press_to_select_show_tpkbd(struct device *dev, char *buf) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select); } @@ -436,7 +544,7 @@ static ssize_t attr_press_to_select_store_tpkbd(struct device *dev, size_t count) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); int value; if (kstrtoint(buf, 10, &value)) @@ -455,7 +563,7 @@ static ssize_t attr_dragging_show_tpkbd(struct device *dev, char *buf) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging); } @@ -466,7 +574,7 @@ static ssize_t attr_dragging_store_tpkbd(struct device *dev, size_t count) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); int value; if (kstrtoint(buf, 10, &value)) @@ -485,7 +593,7 @@ static ssize_t attr_release_to_select_show_tpkbd(struct device *dev, char *buf) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select); } @@ -496,7 +604,7 @@ static ssize_t attr_release_to_select_store_tpkbd(struct device *dev, size_t count) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); int value; if (kstrtoint(buf, 10, &value)) @@ -515,7 +623,7 @@ static ssize_t attr_select_right_show_tpkbd(struct device *dev, char *buf) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right); } @@ -526,7 +634,7 @@ static ssize_t attr_select_right_store_tpkbd(struct device *dev, size_t count) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); int value; if (kstrtoint(buf, 10, &value)) @@ -545,7 +653,7 @@ static ssize_t attr_sensitivity_show_tpkbd(struct device *dev, char *buf) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->sensitivity); @@ -557,7 +665,7 @@ static ssize_t attr_sensitivity_store_tpkbd(struct device *dev, size_t count) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); int value; if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) @@ -574,7 +682,7 @@ static ssize_t attr_press_speed_show_tpkbd(struct device *dev, char *buf) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_speed); @@ -586,7 +694,7 @@ static ssize_t attr_press_speed_store_tpkbd(struct device *dev, size_t count) { struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); int value; if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) @@ -642,12 +750,23 @@ static const struct attribute_group lenovo_attr_group_tpkbd = { .attrs = lenovo_attributes_tpkbd, }; -static enum led_brightness lenovo_led_brightness_get_tpkbd( +static void lenovo_led_set_tpkbd(struct hid_device *hdev) +{ + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); + struct hid_report *report; + + report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; + report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; + report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; + hid_hw_request(hdev, report, HID_REQ_SET_REPORT); +} + +static enum led_brightness lenovo_led_brightness_get( struct led_classdev *led_cdev) { struct device *dev = led_cdev->dev->parent; struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); int led_nr = 0; if (led_cdev == &data_pointer->led_micmute) @@ -658,13 +777,13 @@ static enum led_brightness lenovo_led_brightness_get_tpkbd( : LED_OFF; } -static void lenovo_led_brightness_set_tpkbd(struct led_classdev *led_cdev, +static void lenovo_led_brightness_set(struct led_classdev *led_cdev, enum led_brightness value) { struct device *dev = led_cdev->dev->parent; struct hid_device *hdev = to_hid_device(dev); - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); - struct hid_report *report; + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); + u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED }; int led_nr = 0; if (led_cdev == &data_pointer->led_micmute) @@ -675,21 +794,58 @@ static void lenovo_led_brightness_set_tpkbd(struct led_classdev *led_cdev, else data_pointer->led_state |= 1 << led_nr; - report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; - report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; - report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; - hid_hw_request(hdev, report, HID_REQ_SET_REPORT); + switch (hdev->product) { + case USB_DEVICE_ID_LENOVO_TPKBD: + lenovo_led_set_tpkbd(hdev); + break; + case USB_DEVICE_ID_LENOVO_TP10UBKBD: + lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value); + break; + } } -static int lenovo_probe_tpkbd(struct hid_device *hdev) +static int lenovo_register_leds(struct hid_device *hdev) { - struct device *dev = &hdev->dev; - struct lenovo_drvdata_tpkbd *data_pointer; - size_t name_sz = strlen(dev_name(dev)) + 16; - char *name_mute, *name_micmute; - int i; + struct lenovo_drvdata *data = hid_get_drvdata(hdev); + size_t name_sz = strlen(dev_name(&hdev->dev)) + 16; + char *name_mute, *name_micm; int ret; + name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); + name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); + if (name_mute == NULL || name_micm == NULL) { + hid_err(hdev, "Could not allocate memory for led data\n"); + return -ENOMEM; + } + snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev)); + snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev)); + + data->led_mute.name = name_mute; + data->led_mute.brightness_get = lenovo_led_brightness_get; + data->led_mute.brightness_set = lenovo_led_brightness_set; + data->led_mute.dev = &hdev->dev; + ret = led_classdev_register(&hdev->dev, &data->led_mute); + if (ret < 0) + return ret; + + data->led_micmute.name = name_micm; + data->led_micmute.brightness_get = lenovo_led_brightness_get; + data->led_micmute.brightness_set = lenovo_led_brightness_set; + data->led_micmute.dev = &hdev->dev; + ret = led_classdev_register(&hdev->dev, &data->led_micmute); + if (ret < 0) { + led_classdev_unregister(&data->led_mute); + return ret; + } + + return 0; +} + +static int lenovo_probe_tpkbd(struct hid_device *hdev) +{ + struct lenovo_drvdata *data_pointer; + int i, ret; + /* * Only register extra settings against subdevice where input_mapping * set drvdata to 1, i.e. the trackpoint. @@ -712,7 +868,7 @@ static int lenovo_probe_tpkbd(struct hid_device *hdev) hid_warn(hdev, "Could not create sysfs group: %d\n", ret); data_pointer = devm_kzalloc(&hdev->dev, - sizeof(struct lenovo_drvdata_tpkbd), + sizeof(struct lenovo_drvdata), GFP_KERNEL); if (data_pointer == NULL) { hid_err(hdev, "Could not allocate memory for driver data\n"); @@ -724,37 +880,11 @@ static int lenovo_probe_tpkbd(struct hid_device *hdev) data_pointer->sensitivity = 0xa0; data_pointer->press_speed = 0x38; - name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); - name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); - if (name_mute == NULL || name_micmute == NULL) { - hid_err(hdev, "Could not allocate memory for led data\n"); - ret = -ENOMEM; - goto err; - } - snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev)); - snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev)); - hid_set_drvdata(hdev, data_pointer); - data_pointer->led_mute.name = name_mute; - data_pointer->led_mute.brightness_get = lenovo_led_brightness_get_tpkbd; - data_pointer->led_mute.brightness_set = lenovo_led_brightness_set_tpkbd; - data_pointer->led_mute.dev = dev; - ret = led_classdev_register(dev, &data_pointer->led_mute); - if (ret < 0) - goto err; - - data_pointer->led_micmute.name = name_micmute; - data_pointer->led_micmute.brightness_get = - lenovo_led_brightness_get_tpkbd; - data_pointer->led_micmute.brightness_set = - lenovo_led_brightness_set_tpkbd; - data_pointer->led_micmute.dev = dev; - ret = led_classdev_register(dev, &data_pointer->led_micmute); - if (ret < 0) { - led_classdev_unregister(&data_pointer->led_mute); + ret = lenovo_register_leds(hdev); + if (ret) goto err; - } lenovo_features_set_tpkbd(hdev); @@ -767,7 +897,7 @@ err: static int lenovo_probe_cptkbd(struct hid_device *hdev) { int ret; - struct lenovo_drvdata_cptkbd *cptkbd_data; + struct lenovo_drvdata *cptkbd_data; /* All the custom action happens on the USBMOUSE device for USB */ if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD @@ -811,6 +941,57 @@ static int lenovo_probe_cptkbd(struct hid_device *hdev) return 0; } +static struct attribute *lenovo_attributes_tp10ubkbd[] = { + &dev_attr_fn_lock.attr, + NULL +}; + +static const struct attribute_group lenovo_attr_group_tp10ubkbd = { + .attrs = lenovo_attributes_tp10ubkbd, +}; + +static int lenovo_probe_tp10ubkbd(struct hid_device *hdev) +{ + struct lenovo_drvdata *data; + int ret; + + /* All the custom action happens on the USBMOUSE device for USB */ + if (hdev->type != HID_TYPE_USBMOUSE) + return 0; + + data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + mutex_init(&data->led_report_mutex); + INIT_WORK(&data->fn_lock_sync_work, lenovo_tp10ubkbd_sync_fn_lock); + data->hdev = hdev; + + hid_set_drvdata(hdev, data); + + /* + * The Thinkpad 10 ultrabook USB kbd dock's Fn-lock defaults to on. + * We cannot read the state, only set it, so we force it to on here + * (which should be a no-op) to make sure that our state matches the + * keyboard's FN-lock state. This is the same as what Windows does. + */ + data->fn_lock = true; + lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock); + + ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); + if (ret) + return ret; + + ret = lenovo_register_leds(hdev); + if (ret) + goto err; + + return 0; +err: + sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); + return ret; +} + static int lenovo_probe(struct hid_device *hdev, const struct hid_device_id *id) { @@ -836,6 +1017,9 @@ static int lenovo_probe(struct hid_device *hdev, case USB_DEVICE_ID_LENOVO_CBTKBD: ret = lenovo_probe_cptkbd(hdev); break; + case USB_DEVICE_ID_LENOVO_TP10UBKBD: + ret = lenovo_probe_tp10ubkbd(hdev); + break; default: ret = 0; break; @@ -852,7 +1036,7 @@ err: static void lenovo_remove_tpkbd(struct hid_device *hdev) { - struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); /* * Only the trackpoint half of the keyboard has drvdata and stuff that @@ -874,6 +1058,20 @@ static void lenovo_remove_cptkbd(struct hid_device *hdev) &lenovo_attr_group_cptkbd); } +static void lenovo_remove_tp10ubkbd(struct hid_device *hdev) +{ + struct lenovo_drvdata *data = hid_get_drvdata(hdev); + + if (data == NULL) + return; + + led_classdev_unregister(&data->led_micmute); + led_classdev_unregister(&data->led_mute); + + sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); + cancel_work_sync(&data->fn_lock_sync_work); +} + static void lenovo_remove(struct hid_device *hdev) { switch (hdev->product) { @@ -884,6 +1082,9 @@ static void lenovo_remove(struct hid_device *hdev) case USB_DEVICE_ID_LENOVO_CBTKBD: lenovo_remove_cptkbd(hdev); break; + case USB_DEVICE_ID_LENOVO_TP10UBKBD: + lenovo_remove_tp10ubkbd(hdev); + break; } hid_hw_stop(hdev); @@ -920,6 +1121,7 @@ static const struct hid_device_id lenovo_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) }, { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) }, { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) }, { } }; diff --git a/drivers/hid/hid-mcp2221.c b/drivers/hid/hid-mcp2221.c index e1b93ce32e01..0d27ccb55dd9 100644 --- a/drivers/hid/hid-mcp2221.c +++ b/drivers/hid/hid-mcp2221.c @@ -4,7 +4,7 @@ * * Copyright (c) 2020, Rishi Gupta <gupt21@gmail.com> * - * Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/20005565B.pdf + * Datasheet: https://ww1.microchip.com/downloads/en/DeviceDoc/20005565B.pdf */ #include <linux/module.h> diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index 934fc0a798d4..c242150d35a3 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -179,6 +179,7 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS), HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD), HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE), HID_QUIRK_MULTI_INPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_GROUP_AUDIO), HID_QUIRK_NOGET }, { 0 } }; diff --git a/drivers/hid/hid-udraw-ps3.c b/drivers/hid/hid-udraw-ps3.c index b0fbd11aa0fc..b2e17ef2ea27 100644 --- a/drivers/hid/hid-udraw-ps3.c +++ b/drivers/hid/hid-udraw-ps3.c @@ -16,7 +16,7 @@ MODULE_LICENSE("GPL"); /* * Protocol information from: - * http://brandonw.net/udraw/ + * https://brandonw.net/udraw/ * and the source code of: * https://vvvv.org/contribution/udraw-hid */ diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c index 92874dbe4d4a..679e142fc850 100644 --- a/drivers/hid/hid-wiimote-core.c +++ b/drivers/hid/hid-wiimote-core.c @@ -1870,6 +1870,11 @@ static const struct hid_device_id wiimote_hid_devices[] = { USB_DEVICE_ID_NINTENDO_WIIMOTE2) }, { } }; + +bool wiimote_dpad_as_analog = false; +module_param_named(dpad_as_analog, wiimote_dpad_as_analog, bool, 0644); +MODULE_PARM_DESC(dpad_as_analog, "Use D-Pad as main analog input"); + MODULE_DEVICE_TABLE(hid, wiimote_hid_devices); static struct hid_driver wiimote_hid_driver = { diff --git a/drivers/hid/hid-wiimote-modules.c b/drivers/hid/hid-wiimote-modules.c index 2c3925357857..213c58bf2495 100644 --- a/drivers/hid/hid-wiimote-modules.c +++ b/drivers/hid/hid-wiimote-modules.c @@ -1088,12 +1088,28 @@ static void wiimod_classic_in_ext(struct wiimote_data *wdata, const __u8 *ext) * is the same as before. */ + static const s8 digital_to_analog[3] = {0x20, 0, -0x20}; + if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) { - lx = ext[0] & 0x3e; - ly = ext[1] & 0x3e; + if (wiimote_dpad_as_analog) { + lx = digital_to_analog[1 - !(ext[4] & 0x80) + + !(ext[1] & 0x01)]; + ly = digital_to_analog[1 - !(ext[4] & 0x40) + + !(ext[0] & 0x01)]; + } else { + lx = (ext[0] & 0x3e) - 0x20; + ly = (ext[1] & 0x3e) - 0x20; + } } else { - lx = ext[0] & 0x3f; - ly = ext[1] & 0x3f; + if (wiimote_dpad_as_analog) { + lx = digital_to_analog[1 - !(ext[4] & 0x80) + + !(ext[5] & 0x02)]; + ly = digital_to_analog[1 - !(ext[4] & 0x40) + + !(ext[5] & 0x01)]; + } else { + lx = (ext[0] & 0x3f) - 0x20; + ly = (ext[1] & 0x3f) - 0x20; + } } rx = (ext[0] >> 3) & 0x18; @@ -1110,20 +1126,14 @@ static void wiimod_classic_in_ext(struct wiimote_data *wdata, const __u8 *ext) rt <<= 1; lt <<= 1; - input_report_abs(wdata->extension.input, ABS_HAT1X, lx - 0x20); - input_report_abs(wdata->extension.input, ABS_HAT1Y, ly - 0x20); + input_report_abs(wdata->extension.input, ABS_HAT1X, lx); + input_report_abs(wdata->extension.input, ABS_HAT1Y, ly); input_report_abs(wdata->extension.input, ABS_HAT2X, rx - 0x20); input_report_abs(wdata->extension.input, ABS_HAT2Y, ry - 0x20); input_report_abs(wdata->extension.input, ABS_HAT3X, rt); input_report_abs(wdata->extension.input, ABS_HAT3Y, lt); input_report_key(wdata->extension.input, - wiimod_classic_map[WIIMOD_CLASSIC_KEY_RIGHT], - !(ext[4] & 0x80)); - input_report_key(wdata->extension.input, - wiimod_classic_map[WIIMOD_CLASSIC_KEY_DOWN], - !(ext[4] & 0x40)); - input_report_key(wdata->extension.input, wiimod_classic_map[WIIMOD_CLASSIC_KEY_LT], !(ext[4] & 0x20)); input_report_key(wdata->extension.input, @@ -1157,20 +1167,29 @@ static void wiimod_classic_in_ext(struct wiimote_data *wdata, const __u8 *ext) wiimod_classic_map[WIIMOD_CLASSIC_KEY_ZR], !(ext[5] & 0x04)); - if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) { - input_report_key(wdata->extension.input, - wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT], - !(ext[1] & 0x01)); - input_report_key(wdata->extension.input, - wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP], - !(ext[0] & 0x01)); - } else { + if (!wiimote_dpad_as_analog) { input_report_key(wdata->extension.input, - wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT], - !(ext[5] & 0x02)); + wiimod_classic_map[WIIMOD_CLASSIC_KEY_RIGHT], + !(ext[4] & 0x80)); input_report_key(wdata->extension.input, - wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP], - !(ext[5] & 0x01)); + wiimod_classic_map[WIIMOD_CLASSIC_KEY_DOWN], + !(ext[4] & 0x40)); + + if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) { + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT], + !(ext[1] & 0x01)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP], + !(ext[0] & 0x01)); + } else { + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT], + !(ext[5] & 0x02)); + input_report_key(wdata->extension.input, + wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP], + !(ext[5] & 0x01)); + } } input_sync(wdata->extension.input); diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h index b2a26a0a8f12..ad4ff837f43e 100644 --- a/drivers/hid/hid-wiimote.h +++ b/drivers/hid/hid-wiimote.h @@ -162,6 +162,8 @@ struct wiimote_data { struct work_struct init_worker; }; +extern bool wiimote_dpad_as_analog; + /* wiimote modules */ enum wiimod_module { diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c index f491d8b4e24c..c6d48a8648b7 100644 --- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c +++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c @@ -106,6 +106,11 @@ static inline bool ish_should_enter_d0i3(struct pci_dev *pdev) return !pm_suspend_via_firmware() || pdev->device == CHV_DEVICE_ID; } +static inline bool ish_should_leave_d0i3(struct pci_dev *pdev) +{ + return !pm_resume_via_firmware() || pdev->device == CHV_DEVICE_ID; +} + /** * ish_probe() - PCI driver probe callback * @pdev: pci device @@ -215,9 +220,7 @@ static void __maybe_unused ish_resume_handler(struct work_struct *work) struct ishtp_device *dev = pci_get_drvdata(pdev); int ret; - /* Check the NO_D3 flag to distinguish the resume paths */ - if (pdev->dev_flags & PCI_DEV_FLAGS_NO_D3) { - pdev->dev_flags &= ~PCI_DEV_FLAGS_NO_D3; + if (ish_should_leave_d0i3(pdev) && !dev->suspend_flag) { disable_irq_wake(pdev->irq); ishtp_send_resume(dev); @@ -281,8 +284,11 @@ static int __maybe_unused ish_suspend(struct device *device) */ ish_disable_dma(dev); } else { - /* Set the NO_D3 flag, the ISH would enter D0i3 */ - pdev->dev_flags |= PCI_DEV_FLAGS_NO_D3; + /* + * Save state so PCI core will keep the device at D0, + * the ISH would enter D0i3 + */ + pci_save_state(pdev); enable_irq_wake(pdev->irq); } diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 17a638f15082..492dd641a25d 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -26,6 +26,7 @@ #include <linux/wait.h> #include <linux/workqueue.h> #include <linux/string.h> +#include <linux/timekeeping.h> #include <linux/usb.h> @@ -95,6 +96,18 @@ static int hid_start_in(struct hid_device *hid) set_bit(HID_NO_BANDWIDTH, &usbhid->iofl); } else { clear_bit(HID_NO_BANDWIDTH, &usbhid->iofl); + + if (test_bit(HID_RESUME_RUNNING, &usbhid->iofl)) { + /* + * In case events are generated while nobody was + * listening, some are released when the device + * is re-opened. Wait 50 msec for the queue to + * empty before allowing events to go through + * hid. + */ + usbhid->input_start_time = + ktime_add_ms(ktime_get_coarse(), 50); + } } } spin_unlock_irqrestore(&usbhid->lock, flags); @@ -280,20 +293,23 @@ static void hid_irq_in(struct urb *urb) if (!test_bit(HID_OPENED, &usbhid->iofl)) break; usbhid_mark_busy(usbhid); - if (!test_bit(HID_RESUME_RUNNING, &usbhid->iofl)) { - hid_input_report(urb->context, HID_INPUT_REPORT, - urb->transfer_buffer, - urb->actual_length, 1); - /* - * autosuspend refused while keys are pressed - * because most keyboards don't wake up when - * a key is released - */ - if (hid_check_keys_pressed(hid)) - set_bit(HID_KEYS_PRESSED, &usbhid->iofl); - else - clear_bit(HID_KEYS_PRESSED, &usbhid->iofl); + if (test_bit(HID_RESUME_RUNNING, &usbhid->iofl)) { + if (ktime_before(ktime_get_coarse(), + usbhid->input_start_time)) + break; + clear_bit(HID_RESUME_RUNNING, &usbhid->iofl); } + hid_input_report(urb->context, HID_INPUT_REPORT, + urb->transfer_buffer, urb->actual_length, 1); + /* + * autosuspend refused while keys are pressed + * because most keyboards don't wake up when + * a key is released + */ + if (hid_check_keys_pressed(hid)) + set_bit(HID_KEYS_PRESSED, &usbhid->iofl); + else + clear_bit(HID_KEYS_PRESSED, &usbhid->iofl); break; case -EPIPE: /* stall */ usbhid_mark_busy(usbhid); @@ -720,17 +736,6 @@ static int usbhid_open(struct hid_device *hid) usb_autopm_put_interface(usbhid->intf); - /* - * In case events are generated while nobody was listening, - * some are released when the device is re-opened. - * Wait 50 msec for the queue to empty before allowing events - * to go through hid. - */ - if (res == 0) - msleep(50); - - clear_bit(HID_RESUME_RUNNING, &usbhid->iofl); - Done: mutex_unlock(&usbhid->mutex); return res; @@ -1667,7 +1672,7 @@ struct usb_interface *usbhid_find_interface(int minor) static int __init hid_init(void) { - int retval = -ENOMEM; + int retval; retval = hid_quirks_init(quirks_param, BUS_USB, MAX_USBHID_BOOT_QUIRKS); if (retval) diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h index 75fe85d3d27a..c6ad684d099a 100644 --- a/drivers/hid/usbhid/usbhid.h +++ b/drivers/hid/usbhid/usbhid.h @@ -13,6 +13,7 @@ #include <linux/types.h> #include <linux/slab.h> +#include <linux/ktime.h> #include <linux/list.h> #include <linux/mutex.h> #include <linux/timer.h> @@ -83,6 +84,7 @@ struct usbhid_device { struct mutex mutex; /* start/stop/open/close */ spinlock_t lock; /* fifo spinlock */ unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */ + ktime_t input_start_time; /* When to start handling input */ struct timer_list io_retry; /* Retry timer */ unsigned long stop_retry; /* Time to give up, in jiffies */ unsigned int retry_delay; /* Delay length in ms */ |