diff options
| author | Lad, Prabhakar <prabhakar.csengg@gmail.com> | 2013-06-22 06:07:37 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-07-26 13:15:18 -0300 |
| commit | 6555cfc5e7f8080a76edc2f556c709770fc1db57 (patch) | |
| tree | 764a0116b255eeed79aea983b75e313766020339 /drivers | |
| parent | 0fb0f8f5ed9ff1419cd59834e4d1e95d19fb2eef (diff) | |
| download | linux-6555cfc5e7f8080a76edc2f556c709770fc1db57.tar.gz linux-6555cfc5e7f8080a76edc2f556c709770fc1db57.tar.xz | |
[media] media: i2c: adv7343: add support for asynchronous probing
Both synchronous and asynchronous adv7343 subdevice probing is supported by
this patch.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/i2c/adv7343.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/media/i2c/adv7343.c b/drivers/media/i2c/adv7343.c index 7606218ec4a7..8080c2cf1029 100644 --- a/drivers/media/i2c/adv7343.c +++ b/drivers/media/i2c/adv7343.c @@ -27,6 +27,7 @@ #include <linux/uaccess.h> #include <media/adv7343.h> +#include <media/v4l2-async.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> @@ -445,16 +446,21 @@ static int adv7343_probe(struct i2c_client *client, ADV7343_GAIN_DEF); state->sd.ctrl_handler = &state->hdl; if (state->hdl.error) { - int err = state->hdl.error; - - v4l2_ctrl_handler_free(&state->hdl); - return err; + err = state->hdl.error; + goto done; } v4l2_ctrl_handler_setup(&state->hdl); err = adv7343_initialize(&state->sd); if (err) + goto done; + + err = v4l2_async_register_subdev(&state->sd); + +done: + if (err < 0) v4l2_ctrl_handler_free(&state->hdl); + return err; } @@ -463,6 +469,7 @@ static int adv7343_remove(struct i2c_client *client) struct v4l2_subdev *sd = i2c_get_clientdata(client); struct adv7343_state *state = to_state(sd); + v4l2_async_unregister_subdev(&state->sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&state->hdl); |