NAK: [Saucy][SRU][PATCH]ALSA : hda - not use assigned converters for all unused pins

[Tim Gardner]

On 10/22/2013 07:48 PM, Zhang, Xiong Y wrote:
> BugLink: https://bugs.launchpad.net/dell/+bug/1154441
>
> commit f82d7d16aee5eb4c2315ba11a90f2f3c662d45b8
>
> Author: Mengdong Lin <mengdong.lin at intel.com>
>
> Date:   Sat Sep 21 20:34:45 2013 -0400
>
>      ALSA : hda - not use assigned converters for all unused pins
>
>      BIOS can mark a pin as "no physical connection" if the port is used
> by an
>
>      integrated display which is not audio capable. And audio driver
> will overlook
>
>      such pins.
>
>      On Haswell, such a disconneted pin will keep muted and connected to
> the 1st
>
>      converter by default. But if the 1st convertor is assigned to a
> connected pin
>
>      for audio streaming. The muted disconnected pin can make the
> connected pin
>
>      no sound output.
>
>      So this patch avoids using assigned converters for all unused pins
> for Haswell,
>
>      including the disconected pins.
>
>      Signed-off-by: Mengdong Lin <mengdong.lin at intel.com>
>
>      Reviewed-by: David Henningsson <david.henningsson at canonical.com>
>
>      Signed-off-by: Takashi Iwai tiwai at suse.de <mailto:tiwai at suse.de>
>
> thanks
>
>
>

This looks like it needs some back porting.

-- 
Tim Gardner tim.gardner at canonical.com