linux-kernel - [PATCH v4 07/13] media: tegra-video: Add support for VIDIOC_LOG

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Date:   Fri, 11 Dec 2020 09:02:36 -0800
From:   Sowjanya Komatineni <skomatineni@...dia.com>
To:     <skomatineni@...dia.com>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <hverkuil@...all.nl>,
        <sakari.ailus@....fi>, <robh+dt@...nel.org>
CC:     <mchehab@...nel.org>, <linux-media@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v4 07/13] media: tegra-video: Add support for VIDIOC_LOG_STATUS ioctl

This patch adds support for log_status ioctl.

Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com>
---
 drivers/staging/media/tegra-video/vi.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c
index bc38136..c280117 100644
--- a/drivers/staging/media/tegra-video/vi.c
+++ b/drivers/staging/media/tegra-video/vi.c
@@ -838,6 +838,15 @@ static int tegra_channel_dv_timings_cap(struct file *file, void *fh,
 	return v4l2_subdev_call(subdev, pad, dv_timings_cap, cap);
 }
 
+static int tegra_channel_log_status(struct file *file, void *fh)
+{
+	struct tegra_vi_channel *chan = video_drvdata(file);
+
+	v4l2_device_call_all(chan->video.v4l2_dev, 0, core, log_status);
+
+	return 0;
+}
+
 static int tegra_channel_enum_input(struct file *file, void *fh,
 				    struct v4l2_input *inp)
 {
@@ -906,6 +915,7 @@ static const struct v4l2_ioctl_ops tegra_channel_ioctl_ops = {
 	.vidioc_query_dv_timings	= tegra_channel_query_dv_timings,
 	.vidioc_enum_dv_timings		= tegra_channel_enum_dv_timings,
 	.vidioc_dv_timings_cap		= tegra_channel_dv_timings_cap,
+	.vidioc_log_status		= tegra_channel_log_status,
 };
 
 /*
-- 
2.7.4