From: Wang Xingchao Date: Tue, 18 Jun 2013 02:41:53 +0000 (+0800) Subject: ALSA: hda - Haswell converter power state D0 verify X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~15^2~3^2~36 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=53b434f09340db8ad59b43789b7c43f54171fe36;p=pandora-kernel.git ALSA: hda - Haswell converter power state D0 verify Haswell converters maybe in wrong power state before usage. i.e. only converter 0 is in D0, converter 1/2 are in D3. When pin choose converter 1/2, there's no audio output, this cause dependency when playing differnt stream on pins. AUD_PWRST ConvertorA_Widget_Power_State_Current D0 AUD_PWRST ConvertorA_Widget_Power_State_Requsted D0 AUD_PWRST ConvertorB_Widget_Power_State_Current D3 AUD_PWRST ConvertorB_Widget_Power_State_Requested D3 AUD_PWRST ConvC_Widget_PwrSt_Curr D3 AUD_PWRST ConvC_Widget_PwrSt_Req D3 This patch check converter's power state and set D0 if it's in D3 mode. Signed-off-by: Wang Xingchao Signed-off-by: Takashi Iwai --- Reading git-diff-tree failed