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[media] tvp5150: add support for asynchronous probing 

Allow the subdevice to be probed asynchronously.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
hifive-unleashed-5.1
Javier Martinez Canillas 2015-09-21 08:23:09 -03:00 committed by Mauro Carvalho Chehab
parent f5b5fbd387
commit c7d97499cc
1 changed files with 11 additions and 3 deletions
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14
drivers/media/i2c/tvp5150.c
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@ -10,6 +10,7 @@
#include <linux/videodev2.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <media/v4l2-async.h>
#include <media/v4l2-device.h>
#include <media/tvp5150.h>
#include <media/v4l2-ctrls.h>
@ -1172,8 +1173,7 @@ static int tvp5150_probe(struct i2c_client *c,
sd->ctrl_handler = &core->hdl;
if (core->hdl.error) {
res = core->hdl.error;
v4l2_ctrl_handler_free(&core->hdl);
return res;
goto err;
}
v4l2_ctrl_handler_setup(&core->hdl);
@ -1186,9 +1186,17 @@ static int tvp5150_probe(struct i2c_client *c,
core->rect.left = 0;
core->rect.width = TVP5150_H_MAX;
res = v4l2_async_register_subdev(sd);
if (res < 0)
goto err;
if (debug > 1)
tvp5150_log_status(sd);
return 0;
err:
v4l2_ctrl_handler_free(&core->hdl);
return res;
}
static int tvp5150_remove(struct i2c_client *c)
@ -1200,7 +1208,7 @@ static int tvp5150_remove(struct i2c_client *c)
"tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
c->addr << 1);
v4l2_device_unregister_subdev(sd);
v4l2_async_unregister_subdev(sd);
v4l2_ctrl_handler_free(&decoder->hdl);
return 0;
}