[alsa-devel] [PATCH] hda: Distortion fix for dell_m6_core_init

[Matthew Ranostay]

Takashi Iwai wrote:
> At Sun, 31 Aug 2008 14:53:38 -0400,
> Matthew Ranostay wrote:
>> Added the EQ distortion fix to the dell_m6_core_init.
>>
>> ---
>> Signed-off-by: Matthew Ranostay <mranostay at embeddedalley.com>
> 
> Thanks.  I'll include this as 2.6.27 fixes, too.
> 
> BTW, I found the volume-knob on 0x1f is set to 0xff with other models
> (e.g. intel boards).  Don't you need to fix them as well? 
> 
Nope, they don't have this issue.


> 
> Takashi
> 
>> diff --git a/pci/hda/patch_sigmatel.c b/pci/hda/patch_sigmatel.c
>> index 6ad6ef3..9968ee4 100644
>> --- a/pci/hda/patch_sigmatel.c
>> +++ b/pci/hda/patch_sigmatel.c
>> @@ -606,8 +606,9 @@ static struct hda_verb dell_eq_core_init[] = {
>>  };
>>
>>  static struct hda_verb dell_m6_core_init[] = {
>> -	/* set master volume and direct control */
>> -	{ 0x1f, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff},
>> +	/* set master volume to max value without distortion
>> +	 * and direct control */
>> +	{ 0x1f, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xec},
>>  	/* setup audio connections */
>>  	{ 0x0d, AC_VERB_SET_CONNECT_SEL, 0x00},
>>  	{ 0x0a, AC_VERB_SET_CONNECT_SEL, 0x01},
>>
>