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[media] ov2640: 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>
This commit is contained in:
Laurent Pinchart 2012-07-18 10:53:58 -03:00 committed by Mauro Carvalho Chehab
parent 2744782ef1
commit f985983912
1 changed files with 2 additions and 4 deletions
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6
drivers/media/video/ov2640.c
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@ -837,10 +837,8 @@ static int ov2640_g_fmt(struct v4l2_subdev *sd,
if (!priv->win) {
u32 width = W_SVGA, height = H_SVGA;
int ret = ov2640_set_params(client, &width, &height,
V4L2_MBUS_FMT_UYVY8_2X8);
if (ret < 0)
return ret;
priv->win = ov2640_select_win(&width, &height);
priv->cfmt_code = V4L2_MBUS_FMT_UYVY8_2X8;
}
mf->width = priv->win->width;