diff options
author | Luke D. Jones <luke@ljones.dev> | 2023-06-30 08:35:51 +0300 |
---|---|---|
committer | Hans de Goede <hdegoede@redhat.com> | 2023-07-12 18:01:58 +0300 |
commit | abac4259fc0a2b691af6c3916e420f374f7fd900 (patch) | |
tree | 47973c0326d108ed07ba3b24ef188ce898660add /drivers/platform/x86/asus-wmi.c | |
parent | 609b3670c29f41a1a9da5e689373fc24d244cd00 (diff) | |
download | linux-abac4259fc0a2b691af6c3916e420f374f7fd900.tar.xz |
platform/x86: asus-wmi: support setting mini-LED mode
Support changing the mini-LED mode on some of the newer ASUS laptops.
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230630053552.976579-8-luke@ljones.dev
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86/asus-wmi.c')
-rw-r--r-- | drivers/platform/x86/asus-wmi.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 9f8f63d68a76..ad38ba710d9b 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -265,6 +265,7 @@ struct asus_wmi { bool battery_rsoc_available; bool panel_overdrive_available; + bool mini_led_mode_available; struct hotplug_slot hotplug_slot; struct mutex hotplug_lock; @@ -1820,6 +1821,54 @@ static ssize_t panel_od_store(struct device *dev, } static DEVICE_ATTR_RW(panel_od); +/* Mini-LED mode **************************************************************/ +static ssize_t mini_led_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct asus_wmi *asus = dev_get_drvdata(dev); + int result; + + result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_MINI_LED_MODE); + if (result < 0) + return result; + + return sysfs_emit(buf, "%d\n", result); +} + +static ssize_t mini_led_mode_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int result, err; + u32 mode; + + struct asus_wmi *asus = dev_get_drvdata(dev); + + result = kstrtou32(buf, 10, &mode); + if (result) + return result; + + if (mode > 1) + return -EINVAL; + + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MINI_LED_MODE, mode, &result); + + if (err) { + pr_warn("Failed to set mini-LED: %d\n", err); + return err; + } + + if (result > 1) { + pr_warn("Failed to set mini-LED mode (result): 0x%x\n", result); + return -EIO; + } + + sysfs_notify(&asus->platform_device->dev.kobj, NULL, "mini_led_mode"); + + return count; +} +static DEVICE_ATTR_RW(mini_led_mode); + /* Quirks *********************************************************************/ static void asus_wmi_set_xusb2pr(struct asus_wmi *asus) @@ -3727,6 +3776,7 @@ static struct attribute *platform_attributes[] = { &dev_attr_fan_boost_mode.attr, &dev_attr_throttle_thermal_policy.attr, &dev_attr_panel_od.attr, + &dev_attr_mini_led_mode.attr, NULL }; @@ -3764,6 +3814,8 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, ok = asus->throttle_thermal_policy_available; else if (attr == &dev_attr_panel_od.attr) ok = asus->panel_overdrive_available; + else if (attr == &dev_attr_mini_led_mode.attr) + ok = asus->mini_led_mode_available; if (devid != -1) ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0); @@ -4026,6 +4078,7 @@ static int asus_wmi_add(struct platform_device *pdev) asus->kbd_rgb_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE); asus->kbd_rgb_state_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_STATE); asus->panel_overdrive_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PANEL_OD); + asus->mini_led_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MINI_LED_MODE); err = fan_boost_mode_check_present(asus); if (err) |