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ALSA: pcm: Update hardware pointer before start capture
authorRicardo Biehl Pasquali <pasqualirb@gmail.com>
Fri, 7 Sep 2018 19:58:54 +0000 (16:58 -0300)
committerTakashi Iwai <tiwai@suse.de>
Mon, 10 Sep 2018 07:06:55 +0000 (09:06 +0200)
commite659ec44b3360a54a16c2673093491d7494fc49e
treefab5203c85f05f492949543c37d2e2994979eea1tree | snapshot
parent3d9c7ce9117021720c7e7b8a4bb1428ff1c14eafcommit | diff
ALSA: pcm: Update hardware pointer before start capture

This ensures the transfer loop won't waste a run to read
the few frames (if any) between start and hw_ptr update.
It will wait for the next interrupt with wait_for_avail().

Signed-off-by: Ricardo Biehl Pasquali <pasqualirb@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/core/pcm_lib.c diff | blob | history
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