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authorTakashi Iwai <tiwai@suse.de>2009-09-04 06:19:36 -0400
committerTakashi Iwai <tiwai@suse.de>2009-09-07 03:01:10 -0400
commita68c4d11336610dc348620766119db09675707c2 (patch)
tree5d12014b8547f6dd13281cd1b6be2bd3d38adfa9 /include/sound/pcm.h
parentb5d10781731ece07bb2049e7743907194a5cc3f1 (diff)
ALSA: dummy - Fake buffer allocations
Instead of allocating the real buffers, use a fake buffer and ignore read/write in the dummy driver so that we can save the resources. For mmap, a single page (unique to the direction, though) is reused to all buffers. When the app requires to read/write the real buffers, pass fake_buffer=0 module option at loading time. This will get back to the old behavior. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound/pcm.h')
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