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authorHans Verkuil <hverkuil@xs4all.nl>2009-03-30 11:40:54 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-04-06 21:44:24 -0300
commit868f985c2fb85b5f32785bb55a349d180a30f3d3 (patch)
treee0a7bc9246227ca00199241e54889f8c8913634d
parentacebc70d4a789df21270690c70928b8a836caad7 (diff)
V4L/DVB (11374): v4l2-common: add v4l2_i2c_new_probed_subdev_addr
Add utility function to probe for a single address, rather than a list of addresses. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/v4l2-common.c11
-rw-r--r--include/media/v4l2-common.h4
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index f23a77473aaf..270833b1b38f 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -864,6 +864,17 @@ error:
}
EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev);
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev,
+ struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type, u8 addr)
+{
+ unsigned short addrs[2] = { addr, I2C_CLIENT_END };
+
+ return v4l2_i2c_new_probed_subdev(v4l2_dev, adapter,
+ module_name, client_type, addrs);
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev_addr);
+
/* Return i2c client address of v4l2_subdev. */
unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd)
{
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index 8ec50fea9e0d..1613a0ab8b04 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -147,6 +147,10 @@ struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
const char *module_name, const char *client_type,
const unsigned short *addrs);
+/* Like v4l2_i2c_new_probed_subdev, except probe for a single address. */
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev,
+ struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type, u8 addr);
/* Initialize an v4l2_subdev with data from an i2c_client struct */
void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
const struct v4l2_subdev_ops *ops);