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(parent: 4b417cf) | patch
ALSA: usb - Avoid unnecessary sample rate changes on USB 2.0 clock sources
authorDavid Henningsson <david.henningsson@canonical.com>
Thu, 25 Apr 2013 12:32:24 +0000 (14:32 +0200)
committerTakashi Iwai <tiwai@suse.de>
Fri, 26 Apr 2013 05:37:09 +0000 (07:37 +0200)
commitfa92dd77ec5623cc0546acb77ee61a0a7ea4f0f0
tree4d5b8b0fe47eaf9ab35c74ea7fc530068579eb0btree | snapshot (tar.gz zip)
parent4b417cf01657c8dcd03abb0aa49f3825fede6539commit | diff
ALSA: usb - Avoid unnecessary sample rate changes on USB 2.0 clock sources

The Scarlett 2i2 seems to take almost 500 ms to set the sample rate,
even if the clock is currently set to that value. This patch speeds
up prepare of the device, by avoiding setting the clock to something
it already is.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/clock.c diff | blob | blame | history