diff options
| author | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-06-18 13:06:38 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-01-11 12:18:39 -0200 |
| commit | 0158e7b6a29f33a2c91cf045468958fbe8cb0b4c (patch) | |
| tree | bf8910826ee8bd6f5dc29e93e21d285a5ede7eac /drivers/media/usb/au0828/au0828-video.c | |
| parent | bed6919665072b1e5bad31a013d53798394e097c (diff) | |
[media] au0828: Cache the decoder info at au0828 dev structure
Instead of seeking for the decoder every time analog stream is
started, cache it. This simplifies the code a little bit.
Requested-by: Hans Verkuil <hverkuil@xs4all.nl>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/usb/au0828/au0828-video.c')
| -rw-r--r-- | drivers/media/usb/au0828/au0828-video.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 7aa7d509885b..0b6e97d4fd94 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -642,11 +642,11 @@ static int au0828_enable_analog_tuner(struct au0828_dev *dev) { #ifdef CONFIG_MEDIA_CONTROLLER struct media_device *mdev = dev->media_dev; - struct media_entity *entity, *decoder = NULL, *source; + struct media_entity *entity, *source; struct media_link *link, *found_link = NULL; int i, ret, active_links = 0; - if (!mdev) + if (!mdev || !dev->decoder) return 0; /* @@ -656,18 +656,9 @@ static int au0828_enable_analog_tuner(struct au0828_dev *dev) * do DVB streaming while the DMA engine is being used for V4L2, * this should be enough for the actual needs. */ - media_device_for_each_entity(entity, mdev) { - if (entity->type == MEDIA_ENT_T_V4L2_SUBDEV_DECODER) { - decoder = entity; - break; - } - } - if (!decoder) - return 0; - - for (i = 0; i < decoder->num_links; i++) { - link = &decoder->links[i]; - if (link->sink->entity == decoder) { + for (i = 0; i < dev->decoder->num_links; i++) { + link = &dev->decoder->links[i]; + if (link->sink->entity == dev->decoder) { found_link = link; if (link->flags & MEDIA_LNK_FL_ENABLED) active_links++; |