Commit ab373190 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB (10691): v4l2-common: add v4l2_i2c_subdev_addr() 



Add small function to retrieve the i2c address from a v4l2_subdev
pointer.

Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 81dde91f

drivers/media/video/v4l2-common.c

+9 −0
Original line number Diff line number Diff line
@@ -1022,6 +1022,15 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter, 
}

EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev);



/* Return i2c client address of v4l2_subdev. */

unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd)

{

	struct i2c_client *client = v4l2_get_subdevdata(sd);



	return client ? client->addr : I2C_CLIENT_END;

}

EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_addr);



/* Return a list of I2C tuner addresses to probe. Use only if the tuner

   addresses are unknown. */

const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type)

include/media/v4l2-common.h

+2 −0
Original line number Diff line number Diff line
@@ -154,6 +154,8 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter, 
/* 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);

/* Return i2c client address of v4l2_subdev. */

unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd);



enum v4l2_i2c_tuner_type {

	ADDRS_RADIO,	/* Radio tuner addresses */