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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2007-09-14 09:49:16 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-01-25 22:01:23 +0100 |
| commit | 88307eb3c69c80a705072e68463d8f72005fc027 (patch) | |
| tree | 5513daba6158185704d36d8b6b9b13a420c61482 | |
| parent | V4L/DVB (6459): cx25840: convert to bus-based I2C API (diff) | |
| download | linux-88307eb3c69c80a705072e68463d8f72005fc027.tar.xz linux-88307eb3c69c80a705072e68463d8f72005fc027.zip | |
V4L/DVB (6460): v4l2-i2c-drv: add legacy_probe function pointer
Some devices do complicated tests whether the device can be probed or not.
Add a legacy_probe function pointer to support that.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | include/media/v4l2-i2c-drv-legacy.h | 6 | ||||
| -rw-r--r-- | include/media/v4l2-i2c-drv.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/media/v4l2-i2c-drv-legacy.h b/include/media/v4l2-i2c-drv-legacy.h index c059b32844c1..433c984eefa5 100644 --- a/include/media/v4l2-i2c-drv-legacy.h +++ b/include/media/v4l2-i2c-drv-legacy.h @@ -29,6 +29,7 @@ struct v4l2_i2c_driver_data { int (*remove)(struct i2c_client *client); int (*suspend)(struct i2c_client *client, pm_message_t state); int (*resume)(struct i2c_client *client); + int (*legacy_probe)(struct i2c_adapter *adapter); int legacy_class; }; @@ -45,6 +46,11 @@ static int v4l2_i2c_drv_attach_legacy(struct i2c_adapter *adapter, int address, static int v4l2_i2c_drv_probe_legacy(struct i2c_adapter *adapter) { + if (v4l2_i2c_data.legacy_probe) { + if (v4l2_i2c_data.legacy_probe(adapter)) + return i2c_probe(adapter, &addr_data, v4l2_i2c_drv_attach_legacy); + return 0; + } if (adapter->class & v4l2_i2c_data.legacy_class) return i2c_probe(adapter, &addr_data, v4l2_i2c_drv_attach_legacy); return 0; diff --git a/include/media/v4l2-i2c-drv.h b/include/media/v4l2-i2c-drv.h index 547db60d3640..bc61ab27779d 100644 --- a/include/media/v4l2-i2c-drv.h +++ b/include/media/v4l2-i2c-drv.h @@ -29,6 +29,7 @@ struct v4l2_i2c_driver_data { int (*remove)(struct i2c_client *client); int (*suspend)(struct i2c_client *client, pm_message_t state); int (*resume)(struct i2c_client *client); + int (*legacy_probe)(struct i2c_adapter *adapter); int legacy_class; }; |