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OpenCloudOS-Kernel
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[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>
This commit is contained in:
Guennadi Liakhovetski 2010-12-30 08:37:06 -03:00 committed by Mauro Carvalho Chehab
parent 63c9718c1a
commit c85bb69af0
1 changed files with 7 additions and 10 deletions
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17
drivers/media/video/ov772x.c
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@ -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;