From: Laurent Pinchart Date: Wed, 18 Jul 2012 13:53:59 +0000 (-0300) Subject: [media] ov772x: Don't access the device in the g_mbus_fmt operation X-Git-Tag: v3.6-rc1~28^2~77 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=f2730756ad9649762583cb013f31f636f88bbec0;p=~emulex%2Finfiniband.git [media] ov772x: 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 Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c index 74e77d327ed..6d79b89b860 100644 --- a/drivers/media/video/ov772x.c +++ b/drivers/media/video/ov772x.c @@ -880,15 +880,11 @@ static int ov772x_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) static int ov772x_g_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf) { - struct i2c_client *client = v4l2_get_subdevdata(sd); struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev); if (!priv->win || !priv->cfmt) { - u32 width = VGA_WIDTH, height = VGA_HEIGHT; - int ret = ov772x_set_params(client, &width, &height, - V4L2_MBUS_FMT_YUYV8_2X8); - if (ret < 0) - return ret; + priv->cfmt = &ov772x_cfmts[0]; + priv->win = ov772x_select_win(VGA_WIDTH, VGA_HEIGHT); } mf->width = priv->win->width;