[alsa-devel] Alsa OSS - who is maintaining it?
Stefan de Konink
skinkie at xs4all.nl
Wed Apr 4 20:42:06 CEST 2007
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Johannes Berg wrote:
> On Wed, 2007-04-04 at 20:31 +0200, Stefan de Konink wrote:
>> In lsmod powermac is not loaded. The 'strange' thing I found, is that
>> even without snd-pcm-oss or aoss I get garbage. At that moment I wonder
>> what emulation layer is used.
> Oh, I see. There was a bug in the i2sbus setup, does the i2sbus-pcm.c
> file (sound/aoa/soundbus/i2sbus/i2sbus-pcm.c) contain the following
> comment at around line 380:
> * For input, we need to do a graceful stop; if we abort
> * the DMA, we end up with leftover bytes that corrupt
> * the next recording. To do this we set the S0 status
> * bit and wait for the DMA controller to stop. Each
> * command has a branch condition to
> * make it branch to a stop command if S0 is set.
> * On input we also need to wait for the S7 bit to be
> * set before turning off the DMA controller.
> * In fact we do the graceful stop for output as well.
Check, I have that.
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