[alsa-devel] snd-hda-intel: Fix volume-wheel and microphone on Fujitsu-Siemens Amilo M3438G

[Takashi Iwai]

At Thu, 6 Mar 2008 18:15:32 +0100,
M G wrote:
> 
> On Mon, Feb 11, 2008 at 2:51 PM, Takashi Iwai <tiwai at suse.de> wrote:
> >
> >  OK, now applied to HG tree.  Thanks.
> >
> >
> >  Takashi
> >
> 
> 
> 
> It has already been a great improvement but I encountered 2 more problems:
> 
> On first use (i.e. when loading the module for the first time after
> compiling it) the mixer displayed Mic as capture source but I couldn't
> capture anything. When I switch to CD and then back to Mic it starts
> working. It seems that the value is initialized to 0x00 but there is
> no corresponding capture device on this model since the mic is 0x01 so
> it needs to be initialized to 0x01.
> 
> Another thing: I can set the capture volume to a maximum of 14dB.
> Above that the quality starts to degrade rapidly and at about 17dB it
> goes completely dead. With VREF50 I can raise the capture all the way
> up to 35dB.

Thanks for the patch.  Could you give your sign-off together with a
proper changelog to commit to the upstream?


Takashi


> 
> diff -r 72360e8993f7 pci/hda/patch_realtek.c
> --- a/pci/hda/patch_realtek.c	Thu Mar 06 16:58:35 2008 +0100
> +++ b/pci/hda/patch_realtek.c	Thu Mar 06 17:37:22 2008 +0100
> @@ -1927,6 +1927,7 @@ static void alc880_uniwill_p53_unsol_eve
>   * HP = 0x14, speaker-out = 0x15, mic = 0x18
>   */
>  static struct hda_verb alc880_pin_f1734_init_verbs[] = {
> +	{0x07, AC_VERB_SET_CONNECT_SEL, 0x01},
>  	{0x10, AC_VERB_SET_CONNECT_SEL, 0x02},
>  	{0x11, AC_VERB_SET_CONNECT_SEL, 0x00},
>  	{0x12, AC_VERB_SET_CONNECT_SEL, 0x01},
> @@ -1939,7 +1940,7 @@ static struct hda_verb alc880_pin_f1734_
> 
>  	{0x18, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},
>  	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
> -	{0x19, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},
> +	{0x19, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF50},
>  	{0x19, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
>  	{0x1a, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT},
>  	{0x1a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel at alsa-project.org
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
>