From 45d809431daaa3ab01f877388d09676d05b469be Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sat, 7 Feb 2009 07:38:12 -0300
Subject: V4L/DVB (10497): saa7146: i2c adapdata now points to v4l2_device.
Prepare for converting to v4l2_subdev.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
drivers/media/common/saa7146_core.c | 2 +-
drivers/media/common/saa7146_i2c.c | 5 +++--
include/media/saa7146.h | 5 +++++
3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c
index 961ad16..a123844 100644
--- a/drivers/media/common/saa7146_core.c
+++ b/drivers/media/common/saa7146_core.c
@@ -516,7 +516,7 @@ err_free:
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;
diff --git a/drivers/media/common/saa7146_i2c.c b/drivers/media/common/saa7146_i2c.c
index c11da4d..1b64074a 100644
--- a/drivers/media/common/saa7146_i2c.c
+++ b/drivers/media/common/saa7146_i2c.c
@@ -390,7 +390,8 @@ out:
/* 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;
diff --git a/include/media/saa7146.h b/include/media/saa7146.h
index b9dfeeb..fff4235 100644
--- a/include/media/saa7146.h
+++ b/include/media/saa7146.h
@@ -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);
--
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