[patch 43/49] ALSA: hda: make a STAC_DELL_EQ option

Greg KH
2008-11-12T00:42:39Z

[-- Attachment #1: alsa-hda-make-a-stac_dell_eq-option.patch --]
[-- Type: text/plain, Size: 2287 bytes --]

2.6.27-stable review patch. If anyone has any objections, please let us know.

------------------

From: Matthew Ranostay <mranostay@embeddedalley.com>

commit 6b3ab21ef1ac15db4b053ce0ba8eae0ef9361c8a upstream.

Add support for explicitly enabling the EQ distortion hack for
systems without software biquad support.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
sound/pci/hda/patch_sigmatel.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)

--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -67,6 +67,7 @@ enum {
enum {
STAC_92HD73XX_REF,
STAC_DELL_M6,
+ STAC_DELL_EQ,
STAC_92HD73XX_MODELS
};

@@ -560,9 +561,7 @@ 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},
@@ -1297,11 +1296,13 @@ static unsigned int dell_m6_pin_configs[
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[] = {
@@ -3560,8 +3561,12 @@ again:
spec->gpio_data = 0x01;

switch (spec->board_config) {
- case STAC_DELL_M6:
+ case STAC_DELL_EQ:
spec->init = dell_eq_core_init;
+ /* fallthru */
+ case STAC_DELL_M6:
+ if (!spec->init)
+ spec->init = dell_m6_core_init;
switch (codec->subsystem_id) {
case 0x1028025e: /* Analog Mics */
case 0x1028025f:
@@ -3570,8 +3575,6 @@ 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);

--