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authorCliff Cai <cliff.cai@analog.com>2008-09-27 22:32:20 +0800
committerTakashi Iwai <tiwai@suse.de>2008-10-13 02:16:30 +0200
commit6b58a82121320f96513d88032dc3495a9c6f450b (patch)
tree0290ca3031c1ec04fca96fdb303f981f7aedcac0 /sound/soc/pxa
parent5564b14b88a5a34ea848732030fbc202a050daa6 (diff)
ALSA: ASoC Blackfin: fix bug - Audio Latency on AD1981 with MMAP enabled
With MMAP enabled (DMA mode) on the AD1981, there is +/- 250ms of delay between writing data to alsa and audio starts coming out of the AD1981. Copy more data to local buffer before starting DMA Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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