diff options
| author | Lad, Prabhakar <prabhakar.csengg@gmail.com> | 2015-02-27 13:10:19 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-04-02 21:28:54 -0300 |
| commit | 9012d0888c8fc473d5760f2367b002dfddee80f9 (patch) | |
| tree | 2fb597985af352112adf0f3ab48bc1d5823f6708 /drivers/media/i2c | |
| parent | 15af4a532f7fb21f7e02973a4829735ce13190c0 (diff) | |
[media] media: i2c: mt9p031: add support for asynchronous probing
Both synchronous and asynchronous mt9p031 subdevice probing
is supported by this patch.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/i2c')
| -rw-r--r-- | drivers/media/i2c/mt9p031.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c index 2bf0e6843955..9258d048a1e3 100644 --- a/drivers/media/i2c/mt9p031.c +++ b/drivers/media/i2c/mt9p031.c @@ -28,6 +28,7 @@ #include <linux/videodev2.h> #include <media/mt9p031.h> +#include <media/v4l2-async.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-subdev.h> @@ -1145,6 +1146,10 @@ static int mt9p031_probe(struct i2c_client *client, } ret = mt9p031_clk_setup(mt9p031); + if (ret) + goto done; + + ret = v4l2_async_register_subdev(&mt9p031->subdev); done: if (ret < 0) { @@ -1162,7 +1167,7 @@ static int mt9p031_remove(struct i2c_client *client) struct mt9p031 *mt9p031 = to_mt9p031(subdev); v4l2_ctrl_handler_free(&mt9p031->ctrls); - v4l2_device_unregister_subdev(subdev); + v4l2_async_unregister_subdev(subdev); media_entity_cleanup(&subdev->entity); mutex_destroy(&mt9p031->power_lock); |