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5 Commits

Author SHA1 Message Date
Jaroslav Kysela b1c73fc8e6 ALSA: snd-aloop: Fix hw_params restrictions and checking 
This patch fixes the hw_params restrictions when first (or playback) stream
sets the final hardware parameters. Also, fix the hw_params checking
in the trigger callback.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
 2010-10-11 10:56:09 +02:00
Jaroslav Kysela ac446fb7e6 ALSA: snd-aloop - fix "PCM Slave Active" element read value 
Simple coding fix.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
 2010-10-02 16:07:03 +02:00
Jaroslav Kysela 20d9a26dbb ALSA: snd-aloop - fix capture buffer silence 
In a special case, some old samples are left in the capture ring buffer.
Fix it.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
 2010-09-30 00:20:17 +02:00
Jaroslav Kysela 1446c5fba7 ALSA: snd-aloop - fix the "PCM Playback Channels" kcontrol 
Obvious copy-and-paste error.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
 2010-09-15 08:05:03 +02:00
Jaroslav Kysela 597603d615 ALSA: introduce the snd-aloop module for the PCM loopback 
The snd-aloop module allows redirecting of the PCM playback in the
kernel back to the user space using the standard ALSA PCM capture API.

The module also allows time synchronization with another timing source
and notifications of playback stream parameter changes.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
 2010-08-09 14:21:11 +02:00