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| author | Trent Piepho <xyzzy@speakeasy.org> | 2007-10-31 07:40:09 -0700 |
|---|---|---|
| committer | Trent Piepho <xyzzy@speakeasy.org> | 2007-10-31 07:40:09 -0700 |
| commit | 1816a3983b8c8a4ed5e9ba32b1eade0ce9499809 (patch) | |
| tree | 553dd25c790b126899793485406ed1f90a51f5d4 /linux/drivers/media/dvb/b2c2 | |
| parent | eaf6bdcc22aa742bdec32708647fe07d891631db (diff) | |
| download | mediapointer-dvb-s2-1816a3983b8c8a4ed5e9ba32b1eade0ce9499809.tar.gz mediapointer-dvb-s2-1816a3983b8c8a4ed5e9ba32b1eade0ce9499809.tar.bz2 | |
saa7134-alsa: Fix mmap support
From: Alexander E. Patrakov <patrakov@ums.usu.ru>
Trent Piepho wrote:
> I do not think the saa7134-alsa driver supports mmap. The cx88-alsa driver
> also claimed to support mmap, but it never worked until I fixed it. It's
> pretty clear that the code in saa7134-alsa was based on the same code as
> cx88-alsa, so it's likely it has the same bug.
You are right. The patch below (based on your cx88 patch, but I don't
really understand it) fixes mmap support in saa7134-alsa for me.
Recording via mmap (arecord -M -f S16_LE -c 2 -r 32000 -D hw:1) didn't
work at all before, works now, tested for at least 20 minutes (but,
unfortunately, with one overrun at least 0.719 ms long).
Signed-off-by: Alexander E. Patrakov <patrakov@ums.usu.ru>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Diffstat (limited to 'linux/drivers/media/dvb/b2c2')
0 files changed, 0 insertions, 0 deletions