tree 4d5b8b0fe47eaf9ab35c74ea7fc530068579eb0b
parent 4b417cf01657c8dcd03abb0aa49f3825fede6539
author David Henningsson <david.henningsson@canonical.com> 1366893144 +0200
committer Takashi Iwai <tiwai@suse.de> 1366954629 +0200

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>