diff options
| author | Mike Isely <isely@pobox.com> | 2009-10-12 00:13:28 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-05 18:40:58 -0200 |
| commit | 4a89baa2e140fd4a12be55e03f8ebe1acabb1328 (patch) | |
| tree | d07ffc40947e32b3ab1240b7664d62adf2127e7b /drivers | |
| parent | 5abaa530bfe10e2a446679442b283f865a444a32 (diff) | |
V4L/DVB (13222): pvrusb2: Make more info available to udev
pvrusb2: Associate V4L device node in sysfs with the underlying USB
device. This opens the door to device information tracking in udev
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-v4l2.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c index 2d8825e5b1b..6aa48e0ae73 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c @@ -913,6 +913,15 @@ static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip) } +static void pvr2_v4l2_dev_disassociate_parent(struct pvr2_v4l2_dev *dip) +{ + if (!dip) return; + if (!dip->devbase.parent) return; + dip->devbase.parent = NULL; + device_move(&dip->devbase.dev, NULL, DPM_ORDER_NONE); +} + + static void pvr2_v4l2_destroy_no_lock(struct pvr2_v4l2 *vp) { if (vp->dev_video) { @@ -943,6 +952,8 @@ static void pvr2_v4l2_internal_check(struct pvr2_channel *chp) struct pvr2_v4l2 *vp; vp = container_of(chp,struct pvr2_v4l2,channel); if (!vp->channel.mc_head->disconnect_flag) return; + pvr2_v4l2_dev_disassociate_parent(vp->dev_video); + pvr2_v4l2_dev_disassociate_parent(vp->dev_radio); if (vp->vfirst) return; pvr2_v4l2_destroy_no_lock(vp); } @@ -1250,12 +1261,13 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip, struct pvr2_v4l2 *vp, int v4l_type) { + struct usb_device *usbdev; int mindevnum; int unit_number; int *nr_ptr = NULL; dip->v4lp = vp; - + usbdev = pvr2_hdw_get_dev(vp->channel.mc_head->hdw); dip->v4l_type = v4l_type; switch (v4l_type) { case VFL_TYPE_GRABBER: @@ -1296,6 +1308,7 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip, if (nr_ptr && (unit_number >= 0) && (unit_number < PVR_NUM)) { mindevnum = nr_ptr[unit_number]; } + dip->devbase.parent = &usbdev->dev; if ((video_register_device(&dip->devbase, dip->v4l_type, mindevnum) < 0) && (video_register_device(&dip->devbase, |