From patchwork Tue Oct 27 03:19:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 68343 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1kXFXV-0022VC-4n; Tue, 27 Oct 2020 03:20:49 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2504843AbgJ0DUo (ORCPT + 1 other); Mon, 26 Oct 2020 23:20:44 -0400 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:14418 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2504581AbgJ0DTb (ORCPT ); Mon, 26 Oct 2020 23:19:31 -0400 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Mon, 26 Oct 2020 20:19:10 -0700 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 27 Oct 2020 03:19:30 +0000 Received: from skomatineni-linux.nvidia.com (172.20.13.39) by mail.nvidia.com (172.20.187.15) with Microsoft SMTP Server id 15.0.1473.3 via Frontend Transport; Tue, 27 Oct 2020 03:19:30 +0000 From: Sowjanya Komatineni To: , , , CC: , , , Subject: [PATCH v2 08/10] media: tegra-video: Add support for V4L2_EVENT_SOURCE_CHANGE Date: Mon, 26 Oct 2020 20:19:21 -0700 Message-ID: <1603768763-25590-9-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1603768763-25590-1-git-send-email-skomatineni@nvidia.com> References: <1603768763-25590-1-git-send-email-skomatineni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1603768750; bh=Ri7BxP7rB/ENWqYxoUtmefRCrq9hjpVnsW9TW30TSIw=; h=From:To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To: References:X-NVConfidentiality:MIME-Version:Content-Type; b=OFd5+DkbyQnBgj43UyYugOZ27efYnd8qJ9qCzySYtgojoaPBF2Gw69n6sp1IHJ81q JMK3+R4iraH/c2iyZk452DNLzJvLYPibzEc4igGEIWTre5Z3fRvW20RnFmxqcdBcut h70yNLKVwjjntgmw6Ktqqvjkx9U2Kt7Gm1NY4zuOw51Ai+2djEst3lfBKZQjAAFYj0 KngzMntgcIGgpoiaqk/PhK+zglDz5dXAmpXg8HZdDJ4pimsagS1OI/RANb7mKQyXKj PLldgHk2VDs8IwSldzL1oyqN8EDLOqHaTX/9P9gIXDcX4BCbv7zCR9cjDY1lWAjv8Z BTDJ8FVTM9PZw== Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.5 (--) X-LSpam-Report: No, score=-2.5 required=5.0 tests=BAYES_00=-1.9,DKIMWL_WL_HIGH=0.001,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Current implementation uses v4l2_ctrl_subscribe_event() and this does not handle V4L2_EVENT_SOURCE_CHANGE. So, update driver to handle V4L2_EVENT_SOURCE_CHANGE. Signed-off-by: Sowjanya Komatineni --- drivers/staging/media/tegra-video/vi.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index 936e5e5..28c06a9 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -642,6 +642,18 @@ static int tegra_channel_set_subdev_active_fmt(struct tegra_vi_channel *chan) return 0; } +static int +tegra_channel_subscribe_event(struct v4l2_fh *fh, + const struct v4l2_event_subscription *sub) +{ + switch (sub->type) { + case V4L2_EVENT_SOURCE_CHANGE: + return v4l2_event_subscribe(fh, sub, 4, NULL); + } + + return v4l2_ctrl_subscribe_event(fh, sub); +} + static int tegra_channel_g_selection(struct file *file, void *priv, struct v4l2_selection *sel) { @@ -902,7 +914,7 @@ static const struct v4l2_ioctl_ops tegra_channel_ioctl_ops = { .vidioc_expbuf = vb2_ioctl_expbuf, .vidioc_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, - .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_subscribe_event = tegra_channel_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, .vidioc_g_selection = tegra_channel_g_selection, .vidioc_s_selection = tegra_channel_s_selection,