[media] pwc: Don't return EINVAL when an unsupported pixelformat is requested

Instead chaneg the passed in format to the pwc default pixelformat.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/media/usb/pwc/pwc-v4l.c b/drivers/media/usb/pwc/pwc-v4l.c
index 545e9bbdeede..aa7449eaca08 100644
--- a/drivers/media/usb/pwc/pwc-v4l.c
+++ b/drivers/media/usb/pwc/pwc-v4l.c
@@ -434,19 +434,18 @@ static int pwc_vidioc_try_fmt(struct pwc_device *pdev, struct v4l2_format *f)
                 case V4L2_PIX_FMT_PWC1:
                         if (DEVICE_USE_CODEC23(pdev->type)) {
                                 PWC_DEBUG_IOCTL("codec1 is only supported for old pwc webcam\n");
-                                return -EINVAL;
+                                f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420;
                         }
                         break;
                 case V4L2_PIX_FMT_PWC2:
                         if (DEVICE_USE_CODEC1(pdev->type)) {
                                 PWC_DEBUG_IOCTL("codec23 is only supported for new pwc webcam\n");
-                                return -EINVAL;
+                                f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420;
                         }
                         break;
                 default:
                         PWC_DEBUG_IOCTL("Unsupported pixel format\n");
-                        return -EINVAL;
-
+                        f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420;
         }
 
         size = pwc_get_size(pdev, f->fmt.pix.width, f->fmt.pix.height);