tree 1678baeaa0a21ef8ecc188c84533276165fb82bd
parent 1d0f953086f090a022f2c0e1448300c15372db46
author Ioan-Adrian Ratiu <adi@adirat.com> 1483569467 +0200
committer Takashi Iwai <tiwai@suse.de> 1483598117 +0100

ALSA: usb-audio: test EP_FLAG_RUNNING at urb completion

Testing EP_FLAG_RUNNING in snd_complete_urb() before running the completion
logic allows us to save a few cpu cycles by returning early, skipping the
pending urb in case the stream was stopped; the stop logic handles the urb
and sets the completion callbacks to NULL.

Signed-off-by: Ioan-Adrian Ratiu <adi@adirat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>