From mboxrd@z Thu Jan 1 00:00:00 1970 From: Prabhakar Lad Subject: [PATCH 1/2] media: i2c: ths8200: support asynchronous probing Date: Sat, 22 Jun 2013 15:16:34 +0530 Message-ID: <1371894395-14414-2-git-send-email-prabhakar.csengg@gmail.com> References: <1371894395-14414-1-git-send-email-prabhakar.csengg@gmail.com> Return-path: In-Reply-To: <1371894395-14414-1-git-send-email-prabhakar.csengg@gmail.com> Sender: linux-media-owner@vger.kernel.org To: Mauro Carvalho Chehab , LMML , Hans Verkuil , Laurent Pinchart Cc: DLOS , LKML , Grant Likely , Rob Herring , Rob Landley , devicetree-discuss@lists.ozlabs.org, linux-doc@vger.kernel.org, "Lad, Prabhakar" List-Id: devicetree@vger.kernel.org From: "Lad, Prabhakar" This patch supports both synchronous and asynchronous ths8200 subdevice probing. Signed-off-by: Lad, Prabhakar --- drivers/media/i2c/ths8200.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ths8200.c b/drivers/media/i2c/ths8200.c index a24f90c..cc1339a 100644 --- a/drivers/media/i2c/ths8200.c +++ b/drivers/media/i2c/ths8200.c @@ -21,6 +21,7 @@ #include #include +#include #include #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; -- 1.7.9.5