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authorDavid Henningsson <david.henningsson@canonical.com>2013-04-25 16:32:24 +0400
committerTakashi Iwai <tiwai@suse.de>2013-04-26 09:37:09 +0400
commitfa92dd77ec5623cc0546acb77ee61a0a7ea4f0f0 (patch)
tree4d5b8b0fe47eaf9ab35c74ea7fc530068579eb0b /sound/usb/format.h
parent4b417cf01657c8dcd03abb0aa49f3825fede6539 (diff)
downloadlinux-fa92dd77ec5623cc0546acb77ee61a0a7ea4f0f0.tar.xz
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>
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