Rene Herman wrote: > There's a patch attached that disables mmap on MIATA. You and Bob seem to be > experiencing problems of a different nature (or severity at the least) but > for both of you it would be good to hear what applying this and then playing > using "aplay -D hw foo.wav" (on the miata systems, ofcourse) brings. > > (...) > > The mmap thing is sort of the last hickup to be expected from me -- having > no Alpha machines and with trouble not isolated to a specific driver nor > Alpha model, this would at that point ideally want someone with some more > specific Alpha insights to step in. > > (...) > > diff --git a/include/sound/asound.h b/include/sound/asound.h > index 3eaf155..e3b9c2d 100644 > --- a/include/sound/asound.h > +++ b/include/sound/asound.h > @@ -241,8 +241,14 @@ typedef int __bitwise snd_pcm_subformat_t; > #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) > #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD > > +#ifdef CONFIG_ALPHA_MIATA > +#define SNDRV_PCM_INFO_MMAP 0 /* the useful comment goes here */ > +#define SNDRV_PCM_INFO_MMAP_VALID 0 > +#else > #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ > #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ > +#endif > + > #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ > #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ > #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ Late this evening I starting building a kernel with the above patch applied. It should be ready for testing sometime tomorrow. Sorry for the delay. -- ------------------------------------------------------------------------ Bob Tracy | "I was a beta tester for dirt. They never did rct@xxxxxxxx | get all the bugs out." - Steve McGrew on /. ------------------------------------------------------------------------ _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
