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authorTakashi Iwai <tiwai@suse.de>2009-09-04 12:19:36 +0200
committerTakashi Iwai <tiwai@suse.de>2009-09-07 09:01:10 +0200
commita68c4d11336610dc348620766119db09675707c2 (patch)
tree5d12014b8547f6dd13281cd1b6be2bd3d38adfa9 /Documentation/input/appletouch.txt
parentALSA: dummy - Fix the timer calculation in systimer mode (diff)
downloadlinux-a68c4d11336610dc348620766119db09675707c2.tar.xz
linux-a68c4d11336610dc348620766119db09675707c2.zip
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>
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