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media: uvcvideo: Fix power line control for Lenovo Integrated Camera

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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>
This commit is contained in:
Ricardo Ribalda 2023-01-05 14:52:57 +01:00 committed by Laurent Pinchart
parent 3aa8628eb7
commit a7c28150af
3 changed files with 18 additions and 1 deletions
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2
drivers/media/usb/uvc/uvc_ctrl.c
View file

@ -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,

16
drivers/media/usb/uvc/uvc_driver.c
View file

@ -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,

1
drivers/media/usb/uvc/uvcvideo.h
View file

@ -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,