This cleanup patch creates macro to request OmniVision OV9640 private
data, which increases readability.
Signed-off-by: David Cohen <daco...@gmail.com>
---
drivers/media/video/ov9640.c | 13 +++++--------
1 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/media/video/ov9640.c b/drivers/media/video/ov9640.c
index 99e9e1d..c6d8e8a 100644
--- a/drivers/media/video/ov9640.c
+++ b/drivers/media/video/ov9640.c
@@ -31,6 +31,8 @@
#include "ov9640.h"
+#define to_ov9640_sensor(sd) container_of(sd, struct ov9640_priv, subdev)
+
/* default register setup */
static const struct ov9640_reg ov9640_regs_dflt[] = {
{ OV9640_COM5, OV9640_COM5_SYSCLK | OV9640_COM5_LONGEXP },
@@ -308,9 +310,7 @@ static unsigned long ov9640_query_bus_param(struct
soc_camera_device *icd)
/* Get status of additional camera capabilities */
static int ov9640_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct ov9640_priv *priv = container_of(i2c_get_clientdata(client),
- struct ov9640_priv, subdev);
+ struct ov9640_priv *priv = to_ov9640_sensor(sd);
switch (ctrl->id) {
case V4L2_CID_VFLIP:
@@ -327,8 +327,7 @@ static int ov9640_g_ctrl(struct v4l2_subdev *sd, struct
v4l2_control *ctrl)
static int ov9640_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct ov9640_priv *priv = container_of(i2c_get_clientdata(client),
- struct ov9640_priv, subdev);
+ struct ov9640_priv *priv = to_ov9640_sensor(sd);
int ret = 0;
@@ -360,9 +359,7 @@ static int ov9640_s_ctrl(struct v4l2_subdev *sd, struct
v4l2_control *ctrl)
static int ov9640_g_chip_ident(struct v4l2_subdev *sd,
struct v4l2_dbg_chip_ident *id)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct ov9640_priv *priv = container_of(i2c_get_clientdata(client),
- struct ov9640_priv, subdev);
+ struct ov9640_priv *priv = to_ov9640_sensor(sd);
id->ident = priv->model;
id->revision = priv->revision;
--
1.7.1
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