[PATCH] uvcvideo: add quirk to force Phytec CAM 004H to GBRG

[Christoph Fritz]

This patch adds a quirk to force Phytec CAM 004H to format GBRG because
it is announcing its format wrong.

Signed-off-by: Christoph Fritz <chf.fr...@googlemail.com>
Tested-by: Norbert Wesp <n.w...@phytec.de>
---
 drivers/media/usb/uvc/uvc_driver.c | 16 ++++++++++++++++
 drivers/media/usb/uvc/uvcvideo.h   |  1 +
 2 files changed, 17 insertions(+)

diff --git a/drivers/media/usb/uvc/uvc_driver.c 
b/drivers/media/usb/uvc/uvc_driver.c
index cde43b6..8bfa40b 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -406,6 +406,13 @@ static int uvc_parse_format(struct uvc_device *dev,
                                width_multiplier = 2;
                        }
                }
+               if (dev->quirks & UVC_QUIRK_FORCE_GBRG) {
+                       if (format->fcc == V4L2_PIX_FMT_SGRBG8) {
+                               strlcpy(format->name, "GBRG Bayer (GBRG)",
+                                       sizeof(format->name));
+                               format->fcc = V4L2_PIX_FMT_SGBRG8;
+                       }
+               }
 
                if (buffer[2] == UVC_VS_FORMAT_UNCOMPRESSED) {
                        ftype = UVC_VS_FRAME_UNCOMPRESSED;
@@ -2631,6 +2638,15 @@ static struct usb_device_id uvc_ids[] = {
          .bInterfaceClass      = USB_CLASS_VENDOR_SPEC,
          .bInterfaceSubClass   = 1,
          .bInterfaceProtocol   = 0 },
+       /* PHYTEC CAM 004H cameras */
+       { .match_flags          = USB_DEVICE_ID_MATCH_DEVICE
+                               | USB_DEVICE_ID_MATCH_INT_INFO,
+         .idVendor             = 0x199e,
+         .idProduct            = 0x8302,
+         .bInterfaceClass      = USB_CLASS_VIDEO,
+         .bInterfaceSubClass   = 1,
+         .bInterfaceProtocol   = 0,
+         .driver_info          = UVC_QUIRK_FORCE_GBRG },
        /* Bodelin ProScopeHR */
        { .match_flags          = USB_DEVICE_ID_MATCH_DEVICE
                                | USB_DEVICE_ID_MATCH_DEV_HI
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 7e4d3ee..ad51002 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -164,6 +164,7 @@
 #define UVC_QUIRK_RESTRICT_FRAME_RATE  0x00000200
 #define UVC_QUIRK_RESTORE_CTRLS_ON_INIT        0x00000400
 #define UVC_QUIRK_FORCE_Y8             0x00000800
+#define UVC_QUIRK_FORCE_GBRG           0x00001000
 
 /* Format flags */
 #define UVC_FMT_FLAG_COMPRESSED                0x00000001
-- 
2.1.4