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https://git.yoctoproject.org/meta-ti
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Koen Kooi
47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
From 3378e81670a983f084f6d8e6be654234b258e482 Mon Sep 17 00:00:00 2001
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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Date: Fri, 26 Feb 2010 16:23:10 +0100
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Subject: [PATCH 31/43] v4l: subdev: Generic ioctl support
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Instead of returning an error when receiving an ioctl call with an
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unsupported command, forward the call to the subdev core::ioctl handler.
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Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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---
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Documentation/video4linux/v4l2-framework.txt | 5 +++++
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drivers/media/video/v4l2-subdev.c | 2 +-
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2 files changed, 6 insertions(+), 1 deletions(-)
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diff --git a/Documentation/video4linux/v4l2-framework.txt b/Documentation/video4linux/v4l2-framework.txt
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index d0fb880..1bb5f22 100644
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--- a/Documentation/video4linux/v4l2-framework.txt
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+++ b/Documentation/video4linux/v4l2-framework.txt
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@@ -407,6 +407,11 @@ VIDIOC_UNSUBSCRIBE_EVENT
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To properly support events, the poll() file operation is also
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implemented.
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+Private ioctls
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+
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+ All ioctls not in the above list are passed directly to the sub-device
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+ driver through the core::ioctl operation.
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+
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I2C sub-device drivers
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----------------------
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diff --git a/drivers/media/video/v4l2-subdev.c b/drivers/media/video/v4l2-subdev.c
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index e706c4c..1710a64 100644
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--- a/drivers/media/video/v4l2-subdev.c
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+++ b/drivers/media/video/v4l2-subdev.c
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@@ -276,7 +276,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
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}
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#endif
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default:
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- return -ENOIOCTLCMD;
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+ return v4l2_subdev_call(sd, core, ioctl, cmd, arg);
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}
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return 0;
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--
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1.6.6.1
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