Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753528Ab3DVKTA (ORCPT ); Mon, 22 Apr 2013 06:19:00 -0400 Received: from mail-pd0-f178.google.com ([209.85.192.178]:44146 "EHLO mail-pd0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753442Ab3DVKS6 (ORCPT ); Mon, 22 Apr 2013 06:18:58 -0400 From: Prabhakar Lad To: LMML Cc: DLOS , LKML , "Lad, Prabhakar" , Guennadi Liakhovetski , Laurent Pinchart , Hans Verkuil , Sakari Ailus , Mauro Carvalho Chehab Subject: [PATCH RFC v2 1/4] media: i2c: adv7343: add support for asynchronous probing Date: Mon, 22 Apr 2013 15:47:25 +0530 Message-Id: <1366625848-743-2-git-send-email-prabhakar.csengg@gmail.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1366625848-743-1-git-send-email-prabhakar.csengg@gmail.com> References: <1366625848-743-1-git-send-email-prabhakar.csengg@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2266 Lines: 78 From: Lad, Prabhakar Both synchronous and asynchronous adv7343 subdevice probing is supported by this patch. Signed-off-by: Lad, Prabhakar Cc: Guennadi Liakhovetski Cc: Laurent Pinchart Cc: Hans Verkuil Cc: Sakari Ailus Cc: Mauro Carvalho Chehab --- drivers/media/i2c/adv7343.c | 17 +++++++++++++---- 1 files changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/adv7343.c b/drivers/media/i2c/adv7343.c index 9fc2b98..5b1417b 100644 --- a/drivers/media/i2c/adv7343.c +++ b/drivers/media/i2c/adv7343.c @@ -27,6 +27,7 @@ #include #include +#include #include #include #include @@ -44,6 +45,7 @@ struct adv7343_state { struct v4l2_subdev sd; struct v4l2_ctrl_handler hdl; const struct adv7343_platform_data *pdata; + struct v4l2_async_subdev_list asdl; u8 reg00; u8 reg01; u8 reg02; @@ -455,16 +457,22 @@ 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; + + state->sd.dev = &client->dev; + err = v4l2_async_register_subdev(&state->sd); + +done: + if (err < 0) v4l2_ctrl_handler_free(&state->hdl); + return err; } @@ -473,6 +481,7 @@ 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); -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/