From patchwork Fri Dec 11 17:02:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 70000 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 1knls4-00FYRT-3n; Fri, 11 Dec 2020 17:06:20 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394097AbgLKRFB (ORCPT + 1 other); Fri, 11 Dec 2020 12:05:01 -0500 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:5363 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2393715AbgLKREM (ORCPT ); Fri, 11 Dec 2020 12:04:12 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Fri, 11 Dec 2020 09:02:53 -0800 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; Fri, 11 Dec 2020 17:02:52 +0000 Received: from skomatineni-linux.nvidia.com (172.20.145.6) by mail.nvidia.com (172.20.187.15) with Microsoft SMTP Server id 15.0.1473.3 via Frontend Transport; Fri, 11 Dec 2020 17:02:52 +0000 From: Sowjanya Komatineni To: , , , , , CC: , , , , Subject: [PATCH v4 08/13] media: tegra-video: Add support for V4L2_EVENT_SOURCE_CHANGE Date: Fri, 11 Dec 2020 09:02:37 -0800 Message-ID: <1607706162-1548-9-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1607706162-1548-1-git-send-email-skomatineni@nvidia.com> References: <1607706162-1548-1-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=1607706173; bh=N2+onGn+P/wtgXxXpkvV3u/wLb5I44E5LjNI+JkjEcA=; h=From:To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To: References:X-NVConfidentiality:MIME-Version:Content-Type; b=Mq44NvMg21Pb6RMSTqJsz9FqOizTVvJsJAVTCDmlZ7ZYjjwVDvoXd3/Pa0yrm/Vj5 l76AmgKNh5/oacQx7ZudrlYUNKSBqYpL/PrZ8OSylMA+NtEE+g+d+BsxP5h9XUPKkh Dv0Xo1d51aIUc6f/WSnWv7pDhPLq2bBvN9c89GRBBL4G6WGSz+ZkZuIggRFUwHuIWB Fj3LarbKObTa1B/F9D5Yjfr0BKqV76GxvJtOv8QJTI+a3DPNoYiphfUHxRpTMX4jj6 sj/HrtySQhkFWDa7HBFIPeeKBbQdj8UqyEmyUFOOXRuBwrEbTSsWYWMvSJ6T+yQ/50 ZbhHN5XEb2dxw== 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 c280117..0a85e52 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) { @@ -904,7 +916,7 @@ 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,