From patchwork Fri Feb 27 16:10:19 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 28435 X-Patchwork-Delegate: laurent.pinchart@ideasonboard.com Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1YRNV3-00058v-RS; Fri, 27 Feb 2015 17:10:49 +0100 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.72/mailfrontend-5) with esmtp id 1YRNV1-0003Ss-9R; Fri, 27 Feb 2015 17:10:49 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754851AbbB0QKp (ORCPT + 1 other); Fri, 27 Feb 2015 11:10:45 -0500 Received: from mail-wg0-f43.google.com ([74.125.82.43]:44638 "EHLO mail-wg0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754802AbbB0QKo (ORCPT ); Fri, 27 Feb 2015 11:10:44 -0500 Received: by wggx12 with SMTP id x12so21310000wgg.11 for ; Fri, 27 Feb 2015 08:10:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=qhMjsBnjl7zfTvA6Wl6hoPtaciNFjsgRwWXBWZNTJ8U=; b=bmHZhTAFTJViKQuCTOXVrQHLfUF8yVqNgQ0i/r0r+JOw6w+DeHkqgWFFwgE9+Zplcb WHbkYOdHBhWMfZUzIY4mg6Xzvi3NN4+PXiUc5J+3bMObXT1dXdasXYHJsMW+nu0ZvHp9 wj8iTClm+jOacUgVWg6ag5ZHiODO9UMZXvSf18olDQumjPjjuMKDDAa+dsv4qimElYw8 8AJxgrcFwH4oMeTRyBCwcIa+kvo5COgpM+13w0RACKCXPyQjipu/5u4FiE6a7RPBxnFw 1SeA2Yj9Of+FLg1ns6yw7+xkus4slvd/SFrNjey4DOGZOGfEV44COlqaY98JKsyoCtoP 5pZQ== X-Received: by 10.180.79.227 with SMTP id m3mr8025567wix.3.1425053443504; Fri, 27 Feb 2015 08:10:43 -0800 (PST) Received: from tango-charlie.RL.local ([194.72.83.162]) by mx.google.com with ESMTPSA id q6sm3420494wix.13.2015.02.27.08.10.42 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 27 Feb 2015 08:10:42 -0800 (PST) From: Lad Prabhakar To: Laurent Pinchart Cc: linux-media@vger.kernel.org, "Lad, Prabhakar" Subject: [PATCH] media: i2c: mt9p031: add support for asynchronous probing Date: Fri, 27 Feb 2015 16:10:19 +0000 Message-Id: <1425053419-30042-1-git-send-email-prabhakar.csengg@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2015.2.27.160320 X-PMX-Spam: Gauge=IIIIIIIII, Probability=9%, Report=' FORGED_FROM_GMAIL 0.1, MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1400_1499 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, DKIM_SIGNATURE 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __FRAUD_BODY_WEBMAIL 0, __FRAUD_WEBMAIL 0, __FRAUD_WEBMAIL_FROM 0, __FROM_GMAIL 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __MIME_TEXT_ONLY 0, __MULTIPLE_RCPTS_CC_X2 0, __PHISH_SPEAR_STRUCTURE_1 0, __SANE_MSGID 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __URI_NO_WWW 0, __URI_NS , __YOUTUBE_RCVD 0' From: "Lad, Prabhakar" Both synchronous and asynchronous mt9p031 subdevice probing is supported by this patch. Signed-off-by: Lad, Prabhakar Acked-by: Laurent Pinchart --- drivers/media/i2c/mt9p031.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c index af5a09d..9df4e2f 100644 --- a/drivers/media/i2c/mt9p031.c +++ b/drivers/media/i2c/mt9p031.c @@ -28,6 +28,7 @@ #include #include +#include #include #include #include @@ -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);