[media] V4L: sh_mobile_ceu_camera: don't fail TRY_FMT

VIDIOC_TRY_FMT shouldn't fail if the user requests an unsupported pixel
format. Instead the driver should replace it with a supported one. Fix the
sh_mobile_ceu_camera driver accordingly.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index 2ffeb21dfe33..61f7f91de931 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -1858,8 +1858,12 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
 
         xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
         if (!xlate) {
-                dev_warn(icd->parent, "Format %x not found\n", pixfmt);
-                return -EINVAL;
+                xlate = icd->current_fmt;
+                dev_dbg(icd->parent, "Format %x not found, keeping %x\n",
+                        pixfmt, xlate->host_fmt->fourcc);
+                pixfmt = xlate->host_fmt->fourcc;
+                pix->pixelformat = pixfmt;
+                pix->colorspace = icd->colorspace;
         }
 
         /* FIXME: calculate using depth and bus width */