[alsa-devel] [PATCH] hda: make a STAC_DELL_EQ option

[Takashi Iwai]

At Mon, 03 Nov 2008 08:12:43 -0500,
Matthew Ranostay wrote:
> 
> Add support for explicitly enabling the EQ distortion hack for
> systems without software biquad support.
> 
> Signed-off-by: Matthew Ranostay <mranostay at embeddedalley.com>

Is it to be merged to 2.6.28, right?
How about the older kernels?  To be sent to stable at kernel as well?


thanks,

Takashi

> ---
> 
> diff --git a/pci/hda/patch_sigmatel.c b/pci/hda/patch_sigmatel.c
> index c2f900f..2c0f37f 100644
> --- a/pci/hda/patch_sigmatel.c
> +++ b/pci/hda/patch_sigmatel.c
> @@ -70,6 +70,7 @@ enum {
>  enum {
>  	STAC_92HD73XX_REF,
>  	STAC_DELL_M6,
> +	STAC_DELL_EQ,
>  	STAC_92HD73XX_MODELS
>  };
> 
> @@ -792,9 +793,7 @@ static struct hda_verb dell_eq_core_init[] = {
>  };
> 
>  static struct hda_verb dell_m6_core_init[] = {
> -	/* set master volume to max value without distortion
> -	 * and direct control */
> -	{ 0x1f, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xec},
> +	{ 0x1f, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff},
>  	/* setup audio connections */
>  	{ 0x0d, AC_VERB_SET_CONNECT_SEL, 0x00},
>  	{ 0x0a, AC_VERB_SET_CONNECT_SEL, 0x01},
> @@ -1622,11 +1621,13 @@ static unsigned int dell_m6_pin_configs[13] = {
>  static unsigned int *stac92hd73xx_brd_tbl[STAC_92HD73XX_MODELS] = {
>  	[STAC_92HD73XX_REF]	= ref92hd73xx_pin_configs,
>  	[STAC_DELL_M6]	= dell_m6_pin_configs,
> +	[STAC_DELL_EQ]	= dell_m6_pin_configs,
>  };
> 
>  static const char *stac92hd73xx_models[STAC_92HD73XX_MODELS] = {
>  	[STAC_92HD73XX_REF] = "ref",
>  	[STAC_DELL_M6] = "dell-m6",
> +	[STAC_DELL_EQ] = "dell-eq",
>  };
> 
>  static struct snd_pci_quirk stac92hd73xx_cfg_tbl[] = {
> @@ -4274,12 +4275,17 @@ again:
>  			sizeof(stac92hd73xx_dmux));
> 
>  	switch (spec->board_config) {
> -	case STAC_DELL_M6:
> +	case STAC_DELL_EQ:
>  		spec->init = dell_eq_core_init;
> +		/* fallthru */
> +	case STAC_DELL_M6:
>  		spec->num_smuxes = 0;
>  		spec->mixer = &stac92hd73xx_6ch_mixer[DELL_M6_MIXER];
>  		spec->amp_nids = &stac92hd73xx_amp_nids[DELL_M6_AMP];
>  		spec->num_amps = 1;
> +
> +		if (!spec->init)
> +			spec->init = dell_m6_core_init;
>  		switch (codec->subsystem_id) {
>  		case 0x1028025e: /* Analog Mics */
>  		case 0x1028025f:
> @@ -4289,8 +4295,6 @@ again:
>  			break;
>  		case 0x10280271: /* Digital Mics */
>  		case 0x10280272:
> -			spec->init = dell_m6_core_init;
> -			/* fall-through */
>  		case 0x10280254:
>  		case 0x10280255:
>  			stac92xx_set_config_reg(codec, 0x13, 0x90A60160);
>