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authorRicardo Ribalda <ribalda@chromium.org>2023-01-05 16:52:57 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2023-01-16 00:45:14 +0300
commita7c28150af42798263a30bedbe46f201b46fb486 (patch)
treea5981823edcaf4575d1ba6f6e7f09f9b6a981e5d /drivers/media/usb
parent3aa8628eb78a63d0bf93e159846e9c92bccc8f69 (diff)
downloadlinux-a7c28150af42798263a30bedbe46f201b46fb486.tar.xz
media: uvcvideo: Fix power line control for Lenovo Integrated Camera
The device does not implement the power line frequenyc control correctly. It is a UVC 1.5 device, but implements the control as a UVC 1.1 device. Add the corresponding control mapping override. Bus 003 Device 002: ID 30c9:0093 Lenovo Integrated Camera Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.01 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x30c9 idProduct 0x0093 bcdDevice 0.07 iManufacturer 3 Lenovo iProduct 1 Integrated Camera iSerial 2 8SSC21J75356V1SR2830069 bNumConfigurations 1 Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'drivers/media/usb')
-rw-r--r--drivers/media/usb/uvc/uvc_ctrl.c2
-rw-r--r--drivers/media/usb/uvc/uvc_driver.c16
-rw-r--r--drivers/media/usb/uvc/uvcvideo.h1
3 files changed, 18 insertions, 1 deletions
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index c15c38427cc3..6354efffe9b0 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -736,7 +736,7 @@ const struct uvc_control_mapping uvc_ctrl_power_line_mapping_limited = {
V4L2_CID_POWER_LINE_FREQUENCY_50HZ),
};
-static const struct uvc_control_mapping uvc_ctrl_power_line_mapping_uvc11 = {
+const struct uvc_control_mapping uvc_ctrl_power_line_mapping_uvc11 = {
.id = V4L2_CID_POWER_LINE_FREQUENCY,
.entity = UVC_GUID_UVC_PROCESSING,
.selector = UVC_PU_POWER_LINE_FREQUENCY_CONTROL,
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 370b46c98108..6005e3c7eb96 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -2365,6 +2365,13 @@ static const struct uvc_device_info uvc_ctrl_power_line_limited = {
},
};
+static const struct uvc_device_info uvc_ctrl_power_line_uvc11 = {
+ .mappings = (const struct uvc_control_mapping *[]) {
+ &uvc_ctrl_power_line_mapping_uvc11,
+ NULL, /* Sentinel */
+ },
+};
+
static const struct uvc_device_info uvc_quirk_probe_minmax = {
.quirks = UVC_QUIRK_PROBE_MINMAX,
};
@@ -2944,6 +2951,15 @@ static const struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_INFO_QUIRK(UVC_QUIRK_FORCE_BPP) },
+ /* Lenovo Integrated Camera */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x30c9,
+ .idProduct = 0x0093,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = UVC_PC_PROTOCOL_15,
+ .driver_info = (kernel_ulong_t)&uvc_ctrl_power_line_uvc11 },
/* Sonix Technology USB 2.0 Camera */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 6573df1e0a47..178729467967 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -746,6 +746,7 @@ void uvc_status_stop(struct uvc_device *dev);
/* Controls */
extern const struct uvc_control_mapping uvc_ctrl_power_line_mapping_limited;
+extern const struct uvc_control_mapping uvc_ctrl_power_line_mapping_uvc11;
extern const struct v4l2_subscribed_event_ops uvc_ctrl_sub_ev_ops;
int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,