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authorHans Verkuil <hans.verkuil@cisco.com>2013-03-18 12:16:34 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-03-25 09:31:05 -0300
commit79b0c6400517456935f84f8d46c8bb0cf73f1813 (patch)
treede09f2208cc50a758542546826e784b7cc6783a2 /drivers/media/v4l2-core/v4l2-dev.c
parent820eac0ef8b86f7275acd1f8bccfb0b30f17bbe9 (diff)
[media] v4l2: add new VIDIOC_DBG_G_CHIP_NAME ioctl
Simplify the debugging ioctls by creating the VIDIOC_DBG_G_CHIP_NAME ioctl. This will eventually replace VIDIOC_DBG_G_CHIP_IDENT. Chip matching is done by the name or index of subdevices or an index to a bridge chip. Most of this can all be done automatically, so most drivers just need to provide get/set register ops. In particular, it is now possible to get/set subdev registers without requiring assistance of the bridge driver. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-dev.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-dev.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index 1fbd95755e75..670b9ca8ecbe 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -591,9 +591,10 @@ static void determine_valid_ioctls(struct video_device *vdev)
SET_VALID_IOCTL(ops, VIDIOC_G_FREQUENCY, vidioc_g_frequency);
SET_VALID_IOCTL(ops, VIDIOC_S_FREQUENCY, vidioc_s_frequency);
SET_VALID_IOCTL(ops, VIDIOC_LOG_STATUS, vidioc_log_status);
+ set_bit(_IOC_NR(VIDIOC_DBG_G_CHIP_NAME), valid_ioctls);
#ifdef CONFIG_VIDEO_ADV_DEBUG
- SET_VALID_IOCTL(ops, VIDIOC_DBG_G_REGISTER, vidioc_g_register);
- SET_VALID_IOCTL(ops, VIDIOC_DBG_S_REGISTER, vidioc_s_register);
+ set_bit(_IOC_NR(VIDIOC_DBG_G_REGISTER), valid_ioctls);
+ set_bit(_IOC_NR(VIDIOC_DBG_S_REGISTER), valid_ioctls);
#endif
SET_VALID_IOCTL(ops, VIDIOC_DBG_G_CHIP_IDENT, vidioc_g_chip_ident);
/* yes, really vidioc_subscribe_event */