diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2012-07-18 13:54:00 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-07-30 22:15:53 (GMT) |
| commit | 7bf6afbb6b528335290e73b74c7f9a8596ef5689 (patch) | |
| tree | 0925e0817cae1d2ae3dd0a5248113c7bc08cd999 /drivers/media/video | |
| parent | f2730756ad9649762583cb013f31f636f88bbec0 (diff) | |
| download | linux-7bf6afbb6b528335290e73b74c7f9a8596ef5689.tar.xz | |
[media] tw9910: Don't access the device in the g_mbus_fmt operation
The g_mbus_fmt operation only needs to return the current mbus frame
format and doesn't need to configure the hardware to do so. Fix it to
avoid requiring the chip to be powered on when calling the operation.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video')
| -rw-r--r-- | drivers/media/video/tw9910.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c index 8768efb..9f53eac 100644 --- a/drivers/media/video/tw9910.c +++ b/drivers/media/video/tw9910.c @@ -699,11 +699,9 @@ static int tw9910_g_fmt(struct v4l2_subdev *sd, struct tw9910_priv *priv = to_tw9910(client); if (!priv->scale) { - int ret; - u32 width = 640, height = 480; - ret = tw9910_set_frame(sd, &width, &height); - if (ret < 0) - return ret; + priv->scale = tw9910_select_norm(priv->norm, 640, 480); + if (!priv->scale) + return -EINVAL; } mf->width = priv->scale->width; |