Remove unneeded soc-camera operations, this also makes the soc-camera API to
v4l2 subdevices thinner.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
---
drivers/media/video/mt9m001.c | 22 ++++++--------------
drivers/media/video/mt9m111.c | 40 +++++++------------------------------
drivers/media/video/mt9t031.c | 23 +++++----------------
drivers/media/video/mt9v022.c | 8 ++++--
drivers/media/video/soc_camera.c | 11 ----------
include/media/soc_camera.h | 4 ---
6 files changed, 26 insertions(+), 82 deletions(-)
diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c
index e8cf561..4b39479 100644
--- a/drivers/media/video/mt9m001.c
+++ b/drivers/media/video/mt9m001.c
@@ -122,9 +122,8 @@ static int reg_clear(struct i2c_client *client, const u8 reg,
return reg_write(client, reg, ret & ~data);
}
-static int mt9m001_init(struct soc_camera_device *icd)
+static int mt9m001_init(struct i2c_client *client)
{
- struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
int ret;
dev_dbg(&client->dev, "%s\n", __func__);
@@ -144,16 +143,6 @@ static int mt9m001_init(struct soc_camera_device *icd)
return ret;
}
-static int mt9m001_release(struct soc_camera_device *icd)
-{
- struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
-
- /* Disable the chip */
- reg_write(client, MT9M001_OUTPUT_CONTROL, 0);
-
- return 0;
-}
-
static int mt9m001_s_stream(struct v4l2_subdev *sd, int enable)
{
struct i2c_client *client = sd->priv;
@@ -446,8 +435,6 @@ static const struct v4l2_queryctrl mt9m001_controls[] = {
};
static struct soc_camera_ops mt9m001_ops = {
- .init = mt9m001_init,
- .release = mt9m001_release,
.set_bus_param = mt9m001_set_bus_param,
.query_bus_param = mt9m001_query_bus_param,
.controls = mt9m001_controls,
@@ -581,6 +568,7 @@ static int mt9m001_video_probe(struct soc_camera_device *icd,
struct soc_camera_link *icl = to_soc_camera_link(icd);
s32 data;
unsigned long flags;
+ int ret;
/* We must have a parent by now. And it cannot be a wrong one.
* So this entire test is completely redundant. */
@@ -637,7 +625,11 @@ static int mt9m001_video_probe(struct soc_camera_device *icd,
dev_info(&client->dev, "Detected a MT9M001 chip ID %x (%s)\n", data,
data == 0x8431 ? "C12STM" : "C12ST");
- return 0;
+ ret = mt9m001_init(client);
+ if (ret < 0)
+ dev_err(&client->dev, "Failed to initialise the camera\n");
+
+ return ret;
}
static void mt9m001_video_remove(struct soc_camera_device *icd)
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index 920dd53..186902f 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -672,13 +672,9 @@ static const struct v4l2_queryctrl mt9m111_controls[] = {
};
static int mt9m111_resume(struct soc_camera_device *icd);
-static int mt9m111_init(struct soc_camera_device *icd);
-static int mt9m111_release(struct soc_camera_device *icd);
static struct soc_camera_ops mt9m111_ops = {
- .init = mt9m111_init,
.resume = mt9m111_resume,
- .release = mt9m111_release,
.query_bus_param = mt9m111_query_bus_param,
.set_bus_param = mt9m111_set_bus_param,
.controls = mt9m111_controls,
@@ -880,9 +876,8 @@ static int mt9m111_resume(struct soc_camera_device *icd)
return ret;
}
-static int mt9m111_init(struct soc_camera_device *icd)
+static int mt9m111_init(struct i2c_client *client)
{
- struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
struct mt9m111 *mt9m111 = to_mt9m111(client);
int ret;
@@ -899,22 +894,6 @@ static int mt9m111_init(struct soc_camera_device *icd)
return ret;
}
-static int mt9m111_release(struct soc_camera_device *icd)
-{
- struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
- struct mt9m111 *mt9m111 = to_mt9m111(client);
- int ret;
-
- ret = reg_clear(RESET, MT9M111_RESET_CHIP_ENABLE);
- if (!ret)
- mt9m111->powered = 0;
-
- if (ret < 0)
- dev_err(&client->dev, "mt9m11x release failed: %d\n", ret);
-
- return ret;
-}
-
/*
* Interface active, can use i2c. If it fails, it can indeed mean, that
* this wasn't our capture interface, so, we wait for the right one
@@ -934,10 +913,13 @@ static int mt9m111_video_probe(struct soc_camera_device *icd,
to_soc_camera_host(icd->dev.parent)->nr != icd->iface)
return -ENODEV;
- ret = mt9m111_enable(client);
- if (ret)
- goto ei2c;
- ret = mt9m111_reset(client);
+ mt9m111->autoexposure = 1;
+ mt9m111->autowhitebalance = 1;
+
+ mt9m111->swap_rgb_even_odd = 1;
+ mt9m111->swap_rgb_red_blue = 1;
+
+ ret = mt9m111_init(client);
if (ret)
goto ei2c;
@@ -962,12 +944,6 @@ static int mt9m111_video_probe(struct soc_camera_device *icd,
dev_info(&client->dev, "Detected a MT9M11x chip ID %x\n", data);
- mt9m111->autoexposure = 1;
- mt9m111->autowhitebalance = 1;
-
- mt9m111->swap_rgb_even_odd = 1;
- mt9m111->swap_rgb_red_blue = 1;
-
ei2c:
return ret;
}
diff --git a/drivers/media/video/mt9t031.c b/drivers/media/video/mt9t031.c
index f234ba6..9a64896 100644
--- a/drivers/media/video/mt9t031.c
+++ b/drivers/media/video/mt9t031.c
@@ -163,20 +163,6 @@ static int mt9t031_disable(struct i2c_client *client)
return 0;
}
-static int mt9t031_init(struct soc_camera_device *icd)
-{
- struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
-
- return mt9t031_idle(client);
-}
-
-static int mt9t031_release(struct soc_camera_device *icd)
-{
- struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
-
- return mt9t031_disable(client);
-}
-
static int mt9t031_s_stream(struct v4l2_subdev *sd, int enable)
{
struct i2c_client *client = sd->priv;
@@ -539,8 +525,6 @@ static const struct v4l2_queryctrl mt9t031_controls[] = {
};
static struct soc_camera_ops mt9t031_ops = {
- .init = mt9t031_init,
- .release = mt9t031_release,
.set_bus_param = mt9t031_set_bus_param,
.query_bus_param = mt9t031_query_bus_param,
.controls = mt9t031_controls,
@@ -689,6 +673,7 @@ static int mt9t031_video_probe(struct i2c_client *client)
struct soc_camera_device *icd = client->dev.platform_data;
struct mt9t031 *mt9t031 = to_mt9t031(client);
s32 data;
+ int ret;
/* Enable the chip */
data = reg_write(client, MT9T031_CHIP_ENABLE, 1);
@@ -711,7 +696,11 @@ static int mt9t031_video_probe(struct i2c_client *client)
dev_info(&client->dev, "Detected a MT9T031 chip ID %x\n", data);
- return 0;
+ ret = mt9t031_idle(client);
+ if (ret < 0)
+ dev_err(&client->dev, "Failed to initialise the camera\n");
+
+ return ret;
}
static struct v4l2_subdev_core_ops mt9t031_subdev_core_ops = {
diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c
index 35ea0dd..5c47b55 100644
--- a/drivers/media/video/mt9v022.c
+++ b/drivers/media/video/mt9v022.c
@@ -138,9 +138,8 @@ static int reg_clear(struct i2c_client *client, const u8 reg,
return reg_write(client, reg, ret & ~data);
}
-static int mt9v022_init(struct soc_camera_device *icd)
+static int mt9v022_init(struct i2c_client *client)
{
- struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
struct mt9v022 *mt9v022 = to_mt9v022(client);
int ret;
@@ -532,7 +531,6 @@ static const struct v4l2_queryctrl mt9v022_controls[] = {
};
static struct soc_camera_ops mt9v022_ops = {
- .init = mt9v022_init,
.set_bus_param = mt9v022_set_bus_param,
.query_bus_param = mt9v022_query_bus_param,
.controls = mt9v022_controls,
@@ -751,6 +749,10 @@ static int mt9v022_video_probe(struct soc_camera_device *icd,
data, mt9v022->model == V4L2_IDENT_MT9V022IX7ATM ?
"monochrome" : "colour");
+ ret = mt9v022_init(client);
+ if (ret < 0)
+ dev_err(&client->dev, "Failed to initialise the camera\n");
+
ei2c:
return ret;
}
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c
index 86e0648..2792116 100644
--- a/drivers/media/video/soc_camera.c
+++ b/drivers/media/video/soc_camera.c
@@ -385,12 +385,6 @@ static int soc_camera_open(struct file *file)
goto eiciadd;
}
- if (icd->ops->init) {
- ret = icd->ops->init(icd);
- if (ret < 0)
- goto einit;
- }
-
/* Try to configure with default parameters */
ret = soc_camera_set_fmt(icf, &f);
if (ret < 0)
@@ -411,9 +405,6 @@ static int soc_camera_open(struct file *file)
* and use_count == 1
*/
esfmt:
- if (icd->ops->release)
- icd->ops->release(icd);
-einit:
ici->ops->remove(icd);
eiciadd:
if (icl->power)
@@ -438,8 +429,6 @@ static int soc_camera_close(struct file *file)
if (!icd->use_count) {
struct soc_camera_link *icl = to_soc_camera_link(icd);
- if (icd->ops->release)
- icd->ops->release(icd);
ici->ops->remove(icd);
if (icl->power)
icl->power(icd->pdev, 0);
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 3185e8d..f95cc4a 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -191,12 +191,8 @@ struct soc_camera_format_xlate {
struct soc_camera_ops {
int (*suspend)(struct soc_camera_device *, pm_message_t state);
int (*resume)(struct soc_camera_device *);
- int (*init)(struct soc_camera_device *);
- int (*release)(struct soc_camera_device *);
unsigned long (*query_bus_param)(struct soc_camera_device *);
int (*set_bus_param)(struct soc_camera_device *, unsigned long);
- int (*get_chip_id)(struct soc_camera_device *,
- struct v4l2_dbg_chip_ident *);
int (*enum_input)(struct soc_camera_device *, struct v4l2_input *);
const struct v4l2_queryctrl *controls;
int num_controls;
--
1.6.2.4
--
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