[alsa-devel] Backported sbxfi driver (UNTESTED!)

[Takashi Iwai]

At Wed, 22 Oct 2008 17:24:09 +0200,
Bjoern Olausson wrote:
> 
> With the latest drivers I have random stutterings.

Is it a regression?  I mean, did it ever work better than the latest
version?

> I can't say if they
> occure regular, but they occure often. Sometimes every ~5 seconds,
> sometimes with more time between, somtimes less...
> 
> mplayer --->
> Öffne Audiodecoder: [mp3lib] MPEG layer-2, layer-3
> AUDIO: 48000 Hz, 2 ch, s16le, 160.0 kbit/10.42% (ratio: 20000->192000)
> Ausgewählter Audiocodec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
> <---
> 
> Master and PCM channels are working.

Do you see the problem except for MPlayer?

Does the patch change the behavior?


thanks,

Takashi

diff --git a/sound/pci/sbxfi/sbxfi.c b/sound/pci/sbxfi/sbxfi.c
index 0a1c569..ebe2dee 100644
--- a/sound/pci/sbxfi/sbxfi.c
+++ b/sound/pci/sbxfi/sbxfi.c
@@ -1260,7 +1260,7 @@ static struct snd_pcm_hardware sbxfi_pcm_hardware = {
 	.channels_min =	2,
 	.channels_max =	2,
 	.buffer_bytes_max =	SBXFI_MAX_BUFFER,
-	.period_bytes_min =	64,
+	.period_bytes_min =	4096,
 	.period_bytes_max =	SBXFI_MAX_BUFFER,
 	.periods_min =		1,
 	.periods_max =		4096,