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| author | Maxim Levitsky <maximlevitsky@gmail.com> | 2007-09-27 20:44:39 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-10-10 00:02:59 -0300 |
| commit | 11f7078c10944437b6cf335cea50ed7da675a8b1 (patch) | |
| tree | 91d9dbda3a1497173440936d749a86c20b1fca7b /drivers/media | |
| parent | cb71201f20e43581857043a1f856fb61ce44bdf8 (diff) | |
| download | linux-11f7078c10944437b6cf335cea50ed7da675a8b1.tar.gz linux-11f7078c10944437b6cf335cea50ed7da675a8b1.tar.bz2 linux-11f7078c10944437b6cf335cea50ed7da675a8b1.zip | |
V4L/DVB (6272): V4L: properly fix support for capturing interlaced video in saa7134
By "capturing interlaced video" I mean that card ensures that top field
is really top and vice versa (I think it takes the filed ID from signal)
Properly turn on/off that support depending on signal state
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-core.c | 8 | ||||
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-video.c | 16 | ||||
| -rw-r--r-- | drivers/media/video/saa7134/saa7134.h | 2 |
3 files changed, 16 insertions, 10 deletions
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 7f5df32ed0e8..fae0bfe7939f 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -594,8 +594,10 @@ static irqreturn_t saa7134_irq(int irq, void *dev_id) print_irqstatus(dev,loop,report,status); - if (report & SAA7134_IRQ_REPORT_RDCAP /* _INTL */) - saa7134_irq_video_intl(dev); + if ((report & SAA7134_IRQ_REPORT_RDCAP) || + (report & SAA7134_IRQ_REPORT_INTL)) + saa7134_irq_video_signalchange(dev); + if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && (status & 0x60) == 0) @@ -1081,7 +1083,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev, mutex_unlock(&devlist_lock); /* check for signal */ - saa7134_irq_video_intl(dev); + saa7134_irq_video_signalchange(dev); if (saa7134_dmasound_init && !dev->dmasound.priv_data) { saa7134_dmasound_init(dev); diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 24d579723b55..7c97ac15e665 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -40,7 +40,7 @@ static unsigned int video_debug = 0; static unsigned int gbuffers = 8; -static unsigned int noninterlaced = 1; +static unsigned int noninterlaced = 0; static unsigned int gbufsize = 720*576*4; static unsigned int gbufsize_max = 720*576*4; static char secam[] = "--"; @@ -2454,7 +2454,7 @@ int saa7134_video_init2(struct saa7134_dev *dev) return 0; } -void saa7134_irq_video_intl(struct saa7134_dev *dev) +void saa7134_irq_video_signalchange(struct saa7134_dev *dev) { static const char *st[] = { "(no signal)", "NTSC", "PAL", "SECAM" }; @@ -2466,24 +2466,28 @@ void saa7134_irq_video_intl(struct saa7134_dev *dev) (st1 & 0x40) ? "not locked" : "locked", (st2 & 0x40) ? "no" : "yes", st[st1 & 0x03]); - dev->nosignal = (st1 & 0x40) || (st2 & 0x40); + dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); if (dev->nosignal) { /* no video signal -> mute audio */ if (dev->ctl_automute) dev->automute = 1; saa7134_tvaudio_setmute(dev); - saa_setb(SAA7134_SYNC_CTRL, 0x20); } else { /* wake up tvaudio audio carrier scan thread */ saa7134_tvaudio_do_scan(dev); - if (!noninterlaced) - saa_clearb(SAA7134_SYNC_CTRL, 0x20); } + + if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) + saa_clearb(SAA7134_SYNC_CTRL, 0x20); + else + saa_setb(SAA7134_SYNC_CTRL, 0x20); + if (dev->mops && dev->mops->signal_change) dev->mops->signal_change(dev); } + void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) { enum v4l2_field field; diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index 5b1f22606558..745b750cd3fe 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -639,7 +639,7 @@ int saa7134_common_ioctl(struct saa7134_dev *dev, int saa7134_video_init1(struct saa7134_dev *dev); int saa7134_video_init2(struct saa7134_dev *dev); -void saa7134_irq_video_intl(struct saa7134_dev *dev); +void saa7134_irq_video_signalchange(struct saa7134_dev *dev); void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status); |