diff options
author | Lad, Prabhakar <prabhakar.csengg@gmail.com> | 2013-06-22 12:46:34 +0400 |
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committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-07-26 19:58:24 +0400 |
commit | ed29f894970065402e988088a19698f252b80144 (patch) | |
tree | d1f227544c277a325cc40b524ad6b0c2e4c7d438 /drivers/media/i2c/ths8200.c | |
parent | 9082a7c66c688cddd305ceca1536fd3f6505ec21 (diff) | |
download | linux-ed29f894970065402e988088a19698f252b80144.tar.xz |
[media] media: i2c: ths8200: support asynchronous probing
This patch supports both synchronous and asynchronous
ths8200 subdevice probing.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/i2c/ths8200.c')
-rw-r--r-- | drivers/media/i2c/ths8200.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/media/i2c/ths8200.c b/drivers/media/i2c/ths8200.c index a24f90c5261c..cc1339a97463 100644 --- a/drivers/media/i2c/ths8200.c +++ b/drivers/media/i2c/ths8200.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/v4l2-dv-timings.h> +#include <media/v4l2-async.h> #include <media/v4l2-device.h> #include "ths8200_regs.h" @@ -500,6 +501,7 @@ static int ths8200_probe(struct i2c_client *client, { struct ths8200_state *state; struct v4l2_subdev *sd; + int error; /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) @@ -517,6 +519,10 @@ static int ths8200_probe(struct i2c_client *client, ths8200_core_init(sd); + error = v4l2_async_register_subdev(&state->sd); + if (error) + return error; + v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name, client->addr << 1, client->adapter->name); @@ -526,12 +532,13 @@ static int ths8200_probe(struct i2c_client *client, static int ths8200_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ths8200_state *decoder = to_state(sd); v4l2_dbg(1, debug, sd, "%s removed @ 0x%x (%s)\n", client->name, client->addr << 1, client->adapter->name); ths8200_s_power(sd, false); - + v4l2_async_unregister_subdev(&decoder->sd); v4l2_device_unregister_subdev(sd); return 0; |