Messages in this thread Patch in this message | | | From | Lad Prabhakar <> | Subject | [PATCH 5/6] media: i2c: ths7303: add support for asynchronous probing | Date | Wed, 15 May 2013 17:27:21 +0530 |
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From: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Both synchronous and asynchronous ths7303 subdevice probing is supported by this patch.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Cc: Hans Verkuil <hans.verkuil@cisco.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Mauro Carvalho Chehab <mchehab@redhat.com> Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Sakari Ailus <sakari.ailus@iki.fi> Cc: linux-kernel@vger.kernel.org Cc: davinci-linux-open-source@linux.davincidsp.com --- drivers/media/i2c/ths7303.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/media/i2c/ths7303.c b/drivers/media/i2c/ths7303.c index b954195..4f772a2 100644 --- a/drivers/media/i2c/ths7303.c +++ b/drivers/media/i2c/ths7303.c @@ -26,6 +26,7 @@ #include <linux/slab.h> #include <media/ths7303.h> +#include <media/v4l2-async.h> #include <media/v4l2-chip-ident.h> #include <media/v4l2-device.h> @@ -355,6 +356,7 @@ static int ths7303_probe(struct i2c_client *client, struct ths7303_platform_data *pdata = client->dev.platform_data; struct ths7303_state *state; struct v4l2_subdev *sd; + int ret; if (pdata == NULL) { dev_err(&client->dev, "No platform data\n"); @@ -385,13 +387,20 @@ static int ths7303_probe(struct i2c_client *client, return -EINVAL; } + state->sd.dev = &client->dev; + ret = v4l2_async_register_subdev(&state->sd); + if (ret) + return ret; + return 0; } static int ths7303_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ths7303_state *ths7303 = to_state(sd); + v4l2_async_unregister_subdev(&ths7303->sd); v4l2_device_unregister_subdev(sd); return 0; -- 1.7.4.1
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