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authorDavid Cohen <dacohen@gmail.com>2010-12-08 09:13:58 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-12-30 22:29:20 -0200
commitf7b74f76a3a5bcad4d2e8db76834253a63977545 (patch)
tree2a0edb5b53dbcf480c7439da6fd9a67aa91d2483 /drivers/media/video/ov9640.c
parent9804ed9e840c461f88b290dea43173e3eed37102 (diff)
[media] ov9640: use macro to request OmniVision OV9640 sensor private data
This cleanup patch creates macro to request OmniVision OV9640 private data, which increases readability. Signed-off-by: David Cohen <dacohen@gmail.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/ov9640.c')
-rw-r--r--drivers/media/video/ov9640.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/media/video/ov9640.c b/drivers/media/video/ov9640.c
index 99e9e1d3c83..c6d8e8a88d2 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;