At Mon, 20 May 2013 19:26:57 +0800,
Wang Xingchao wrote:
Haswell Display audio depends on power well in graphic side, it should
request power well before use it and release power well after use.
I915 will not shutdown power well if it detects audio is using.
This patch protects display audio
-Original Message-
From: Takashi Iwai [mailto:ti...@suse.de]
Sent: Tuesday, May 21, 2013 3:18 PM
To: Wang Xingchao
Cc: dan...@ffwll.ch; Girdwood, Liam R; david.hennings...@canonical.com; Lin,
Mengdong; Li, Jocelyn; alsa-de...@alsa-project.org;
intel-gfx@lists.freedesktop.org;
Haswell Display audio depends on power well in graphic side, it should
request power well before use it and release power well after use.
I915 will not shutdown power well if it detects audio is using.
This patch protects display audio crash for Intel Haswell C3 stepping board.
Signed-off-by:
