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V4L/DVB (10497): saa7146: i2c adapdata now points to v4l2_device.

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Prepare for converting to v4l2_subdev.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2009-02-07 07:38:12 -03:00 committed by Mauro Carvalho Chehab
parent ef77a26be1
commit 45d809431d
3 changed files with 9 additions and 3 deletions
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2
drivers/media/common/saa7146_core.c
View file

@ -516,7 +516,7 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent
static void saa7146_remove_one(struct pci_dev *pdev)
{
struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);
struct saa7146_dev *dev = container_of(v4l2_dev, struct saa7146_dev, v4l2_dev);
struct saa7146_dev *dev = to_saa7146_dev(v4l2_dev);
struct {
void *addr;
dma_addr_t dma;

5
drivers/media/common/saa7146_i2c.c
View file

@ -390,7 +390,8 @@ static int saa7146_i2c_transfer(struct saa7146_dev *dev, const struct i2c_msg *m
/* utility functions */
static int saa7146_i2c_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, int num)
{
struct saa7146_dev* dev = i2c_get_adapdata(adapter);
struct v4l2_device *v4l2_dev = i2c_get_adapdata(adapter);
struct saa7146_dev *dev = to_saa7146_dev(v4l2_dev);
/* use helper function to transfer data */
return saa7146_i2c_transfer(dev, msg, num, adapter->retries);
@ -419,7 +420,7 @@ int saa7146_i2c_adapter_prepare(struct saa7146_dev *dev, struct i2c_adapter *i2c
if( NULL != i2c_adapter ) {
BUG_ON(!i2c_adapter->class);
i2c_set_adapdata(i2c_adapter,dev);
i2c_set_adapdata(i2c_adapter, &dev->v4l2_dev);
i2c_adapter->dev.parent = &dev->pci->dev;
i2c_adapter->algo = &saa7146_algo;
i2c_adapter->algo_data = NULL;

5
include/media/saa7146.h
View file

@ -148,6 +148,11 @@ struct saa7146_dev
struct saa7146_dma d_rps1;
};
static inline struct saa7146_dev *to_saa7146_dev(struct v4l2_device *v4l2_dev)
{
return container_of(v4l2_dev, struct saa7146_dev, v4l2_dev);
}
/* from saa7146_i2c.c */
int saa7146_i2c_adapter_prepare(struct saa7146_dev *dev, struct i2c_adapter *i2c_adapter, u32 bitrate);