tree 430a2fba5e2766c9eb48349deb237a017b218e41
parent d0ba0f6a82914e684e5d9ae2cae702bed75670fe
author Jussi Laako <jussi@sonarnerd.net> 1480325265 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1483697768 +0100

ALSA: hiface: Fix M2Tech hiFace driver sampling rate change

commit 995c6a7fd9b9212abdf01160f6ce3193176be503 upstream.

Sampling rate changes after first set one are not reflected to the
hardware, while driver and ALSA think the rate has been changed.

Fix the problem by properly stopping the interface at the beginning of
prepare call, allowing new rate to be set to the hardware. This keeps
the hardware in sync with the driver.

Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>