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V4L/DVB (11373): v4l2-common: add explicit v4l2_device pointer as first arg to new_(probed)_subdev

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The functions v4l2_i2c_new_subdev and v4l2_i2c_new_probed_subdev relied on
i2c_get_adapdata to return the v4l2_device. However, this is not always
possible on embedded platforms. So modify the API to pass the v4l2_device
pointer explicitly.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
2009-04-01 03:57:53 -03:00
committed by Mauro Carvalho Chehab
부모 868f985c2f
커밋 e6574f2fbe
22개의 변경된 파일과 153개의 추가작업 그리고 122개의 파일을 삭제
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24
drivers/media/video/v4l2-common.c
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@@ -760,18 +760,16 @@ EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_init);
/* Load an i2c sub-device. It assumes that i2c_get_adapdata(adapter)
returns the v4l2_device and that i2c_get_clientdata(client)
returns the v4l2_subdev. */
struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
/* Load an i2c sub-device. */
struct v4l2_subdev *v4l2_i2c_new_subdev(struct v4l2_device *v4l2_dev,
struct i2c_adapter *adapter,
const char *module_name, const char *client_type, u8 addr)
{
struct v4l2_device *dev = i2c_get_adapdata(adapter);
struct v4l2_subdev *sd = NULL;
struct i2c_client *client;
struct i2c_board_info info;
BUG_ON(!dev);
BUG_ON(!v4l2_dev);
if (module_name)
request_module(module_name);
@@ -798,7 +796,7 @@ struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
/* Register with the v4l2_device which increases the module's
use count as well. */
if (v4l2_device_register_subdev(dev, sd))
if (v4l2_device_register_subdev(v4l2_dev, sd))
sd = NULL;
/* Decrease the module use count to match the first try_module_get. */
module_put(client->driver->driver.owner);
@@ -812,19 +810,17 @@ error:
}
EXPORT_SYMBOL_GPL(v4l2_i2c_new_subdev);
/* Probe and load an i2c sub-device. It assumes that i2c_get_adapdata(adapter)
returns the v4l2_device and that i2c_get_clientdata(client)
returns the v4l2_subdev. */
struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
/* Probe and load an i2c sub-device. */
struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct v4l2_device *v4l2_dev,
struct i2c_adapter *adapter,
const char *module_name, const char *client_type,
const unsigned short *addrs)
{
struct v4l2_device *dev = i2c_get_adapdata(adapter);
struct v4l2_subdev *sd = NULL;
struct i2c_client *client = NULL;
struct i2c_board_info info;
BUG_ON(!dev);
BUG_ON(!v4l2_dev);
if (module_name)
request_module(module_name);
@@ -850,7 +846,7 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
/* Register with the v4l2_device which increases the module's
use count as well. */
if (v4l2_device_register_subdev(dev, sd))
if (v4l2_device_register_subdev(v4l2_dev, sd))
sd = NULL;
/* Decrease the module use count to match the first try_module_get. */
module_put(client->driver->driver.owner);