From patchwork Thu Jul 5 13:33:04 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Todor Tomov X-Patchwork-Id: 141154 Delivered-To: patch@linaro.org Received: by 2002:a2e:9754:0:0:0:0:0 with SMTP id f20-v6csp1949854ljj; Thu, 5 Jul 2018 06:34:58 -0700 (PDT) X-Google-Smtp-Source: AAOMgpfyV/0Zrk1h9XryuSHSZeea6kgktb23m21Yd5kKqcB9e7Yr/a7Xr2xLOtZv28Jyt2zjQ6oY X-Received: by 2002:a17:902:102b:: with SMTP id b40-v6mr6186471pla.125.1530797698654; Thu, 05 Jul 2018 06:34:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1530797698; cv=none; d=google.com; s=arc-20160816; b=OOi3MoFs5iJgkIbRPm6xmtravFEVj8Eo7lc8J+HE80i2o1bLi+XeW3ywJtJkAfTSt3 E0czewK74wpXGcS1IikQDmx9W6aP4oPzJWlt+EG5U9CJgJxUqfBrlFExLaCYwGDDY5IY lQYSTnkbneoJfUf/G3PmZnJ07znuuSYVHmPtsOcex5y4TH1x0GFBKnMS9UmqFZFFLIau neeDXwBV0az/m6wYErCxwgGh0/0fqTBTluYbD9SIltfb6cwh4zBWjh1UmFiG3cNMwo+Z l5O9eWWGAowFBSJPTaTrSyaZIDkLQPQ431e2TUpr0DAJ66DecZgq3Zy33wvBao/cUB/w MmTQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=bJwHCNWRDS8wWSUR9r9XAhZmEL+YrbN5g9nw+OvUm7E=; b=EQd8XwTWmwhp3nt0nLVvJXkuldRgJ2Q904GZtFqmqqobeYzaHhqEj2cOJZ8aCILdZx tB8S2abTotyIjyfSGZ19qn7Hf2fGReEd+S22BXPmkx/HRxDwYLZYT/rytXc+wJ/AjmHN Z97gI/VqmiVBADYtTFEHF2i+W3SAPVj44s7zwg5eby8DkIBp67BSm3MCvXu/huT0KlVs q3ZTQjczfCwWvr5/DwRiO/kZzDf+kM0WKRbtkVqhAUhhaHHal941j4cP0+hdFNGK5x/f Zx++3qUnrNRXTvngTu0aRN5d95PwKSEDLoc9sxEWEumUiFcoU8UBgqJx3XIvbZa+qpV1 HirA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-media-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-media-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d5-v6si6173598pla.337.2018.07.05.06.34.58; Thu, 05 Jul 2018 06:34:58 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-media-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-media-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-media-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753389AbeGENe4 (ORCPT + 4 others); Thu, 5 Jul 2018 09:34:56 -0400 Received: from ns.mm-sol.com ([37.157.136.199]:41332 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753838AbeGENdX (ORCPT ); Thu, 5 Jul 2018 09:33:23 -0400 Received: from mms-0439.qualcomm.mm-sol.com (unknown [37.157.136.206]) by extserv.mm-sol.com (Postfix) with ESMTPSA id 23A8BCD69; Thu, 5 Jul 2018 16:33:18 +0300 (EEST) From: Todor Tomov To: mchehab@kernel.org, sakari.ailus@linux.intel.com, hans.verkuil@cisco.com, laurent.pinchart+renesas@ideasonboard.com, linux-media@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Todor Tomov Subject: [PATCH v2 33/34] media: camss: csid: Add support for events triggered by user controls Date: Thu, 5 Jul 2018 16:33:04 +0300 Message-Id: <1530797585-8555-34-git-send-email-todor.tomov@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1530797585-8555-1-git-send-email-todor.tomov@linaro.org> References: <1530797585-8555-1-git-send-email-todor.tomov@linaro.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Changing a user control value can trigger an event to other users. Add support for that. Signed-off-by: Todor Tomov --- drivers/media/platform/qcom/camss/camss-csid.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) -- 2.7.4 diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c index a581377..b50eb96 100644 --- a/drivers/media/platform/qcom/camss/camss-csid.c +++ b/drivers/media/platform/qcom/camss/camss-csid.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include "camss-csid.h" @@ -1266,6 +1267,8 @@ static int csid_link_setup(struct media_entity *entity, static const struct v4l2_subdev_core_ops csid_core_ops = { .s_power = csid_set_power, + .subscribe_event = v4l2_ctrl_subdev_subscribe_event, + .unsubscribe_event = v4l2_event_subdev_unsubscribe, }; static const struct v4l2_subdev_video_ops csid_video_ops = { @@ -1311,7 +1314,8 @@ int msm_csid_register_entity(struct csid_device *csid, v4l2_subdev_init(sd, &csid_v4l2_ops); sd->internal_ops = &csid_v4l2_internal_ops; - sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | + V4L2_SUBDEV_FL_HAS_EVENTS; snprintf(sd->name, ARRAY_SIZE(sd->name), "%s%d", MSM_CSID_NAME, csid->id); v4l2_set_subdevdata(sd, csid);