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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2010-12-30 14:37:06 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-12-31 03:29:23 +0300 |
| commit | c85bb69af09988f728aca825c11267c9d06ba32e (patch) | |
| tree | 37824018b8d3f8e493a06333810cfe4a7e718997 /drivers/media | |
| parent | 63c9718c1a4595d51f5b70ed4aed6cee5aea875b (diff) | |
| download | linux-c85bb69af09988f728aca825c11267c9d06ba32e.tar.xz | |
[media] v4l: ov772x: simplify pointer dereference
Use a more direct way to obtain a pointer to struct ov772x_priv, where the
subdevice is available.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/ov772x.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c index a84b770352f9..48895ef863ff 100644 --- a/drivers/media/video/ov772x.c +++ b/drivers/media/video/ov772x.c @@ -600,7 +600,7 @@ static int ov772x_reset(struct i2c_client *client) static int ov772x_s_stream(struct v4l2_subdev *sd, int enable) { struct i2c_client *client = v4l2_get_subdevdata(sd); - struct ov772x_priv *priv = to_ov772x(client); + struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev); if (!enable) { ov772x_mask_set(client, COM2, SOFT_SLEEP_MODE, SOFT_SLEEP_MODE); @@ -645,8 +645,7 @@ static unsigned long ov772x_query_bus_param(struct soc_camera_device *icd) static int ov772x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct ov772x_priv *priv = to_ov772x(client); + struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev); switch (ctrl->id) { case V4L2_CID_VFLIP: @@ -665,7 +664,7 @@ static int ov772x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) static int ov772x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { struct i2c_client *client = v4l2_get_subdevdata(sd); - struct ov772x_priv *priv = to_ov772x(client); + struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev); int ret = 0; u8 val; @@ -715,8 +714,7 @@ static int ov772x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) static int ov772x_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *id) { - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct ov772x_priv *priv = to_ov772x(client); + struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev); id->ident = priv->model; id->revision = 0; @@ -955,7 +953,7 @@ 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 = to_ov772x(client); + struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev); if (!priv->win || !priv->cfmt) { u32 width = VGA_WIDTH, height = VGA_HEIGHT; @@ -978,7 +976,7 @@ static int ov772x_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf) { struct i2c_client *client = v4l2_get_subdevdata(sd); - struct ov772x_priv *priv = to_ov772x(client); + struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev); int ret = ov772x_set_params(client, &mf->width, &mf->height, mf->code); @@ -991,8 +989,7 @@ static int ov772x_s_fmt(struct v4l2_subdev *sd, static int ov772x_try_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf) { - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct ov772x_priv *priv = to_ov772x(client); + struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev); const struct ov772x_win_size *win; int i; |