From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Subject: Re: [PATCH] Sony Vaio with stac9872
Date: Mon, 27 Feb 2012 11:04:19 +0100
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References: <E1S0uT1-0000JE-FI.107-mail-ru@f35.mail.ru>
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To: 107 <107@mail.ru>
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At Fri, 24 Feb 2012 16:41:43 +0400,
107 wrote:
> 
> Hello, I have no sound on my Sony Vaio SZ4XRN laptop with newest kernels.
> Sound: hda-intel, sigmatel - STAC9872
> 
> To solve this issue I make this patch for sound/pci/hda/patch_sigmatel.c:
> 
> --- patch_sigmatel.c.bak        2012-02-23 21:01:28.577515317 +0400
> +++ patch_sigmatel.c    2012-02-23 21:53:21.035605216 +0400
> @@ -6357,7 +6357,16 @@
>   */
>  
>  static const struct hda_verb stac9872_core_init[] = {
> -       {0x15, AC_VERB_SET_CONNECT_SEL, 0x1}, /* mic-sel: 0a,0d,14,02 */
> +       {0x0a, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP }, /* HP <- 0x2 */
> +       {0x0f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT }, /* Speaker <- 0x5 */
> +       {0x0d, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80 }, /* Mic? (<- 0x2) */
> +       {0x0e, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN }, /* CD */
> +       {0x14, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80 }, /* Mic? */
> +       {0x15, AC_VERB_SET_CONNECT_SEL, 0x2 /*0x1*/ }, /* mic-sel: 0a,0d,14,02 */
> +       {0x02, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, /* HP */
> +       {0x05, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, /* Speaker */
> +       {0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)}, /* capture sw/vol -> 0x8 */
> +       {0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, /* CD-in -> 0x6 */
>         {0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE}, /* Mic-in -> 0x9 */
>         {}
>  };
> 
> 
> Constants got from old kernel (2.6.22).
> With this patch sound works fine. Thank you. 

Most of verbs above must be superfluous, but some of them might be
needed in your case.  Could you give alsa-info.sh outputs (run with
--no-upload option) on both working and non-working cases?


thanks,

Takashi