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Date: Thu, 10 Jan 2008 14:30:30 +0100
From: Takashi Iwai <tiwai@...e.de>
To: Harald Dunkel <harald.dunkel@...nline.de>
Cc: linux-kernel@...r.kernel.org
Subject: Re: 2.6.24-rc7, intel audio: alsa doesn't say a beep
At Wed, 09 Jan 2008 21:10:41 +0100,
Harald Dunkel wrote:
>
> Takashi Iwai wrote:
> >
> > Thanks. Then the possible reason might be the registers that don't
> > appear in this proc output, such as GPIO.
> > Could you try the patch below with the latency patch (you reverted) in
> > rc7?
> >
>
> Using rc7:
>
> hda_intel.c(rc6) + patch for sigmatel.c: sound works
> hda_intel.c(rc7) + patch for sigmatel.c: sound does not work
>
> Sorry to say, but AFAICS the patch for sigmatel.c doesn't fix
> the problem.
Hm... Just to be sure, try the patch below. It's a clean up patch
that I'd like to apply later.
The perex/alsa.git mm branch on kernel.org has many fixes. Could you
give it a try, too?
thanks,
Takashi
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 0401223..9048d43 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -110,7 +110,6 @@ struct sigmatel_spec {
unsigned int mic_switch: 1;
unsigned int alt_switch: 1;
unsigned int hp_detect: 1;
- unsigned int gpio_mute: 1;
unsigned int gpio_mask, gpio_data;
@@ -1245,22 +1244,6 @@ static void stac92xx_set_config_regs(struct hda_codec *codec)
spec->pin_configs[i]);
}
-static void stac92xx_enable_gpio_mask(struct hda_codec *codec)
-{
- struct sigmatel_spec *spec = codec->spec;
- /* Configure GPIOx as output */
- snd_hda_codec_write_cache(codec, codec->afg, 0,
- AC_VERB_SET_GPIO_DIRECTION, spec->gpio_mask);
- /* Configure GPIOx as CMOS */
- snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7e7, 0x00000000);
- /* Assert GPIOx */
- snd_hda_codec_write_cache(codec, codec->afg, 0,
- AC_VERB_SET_GPIO_DATA, spec->gpio_data);
- /* Enable GPIOx */
- snd_hda_codec_write_cache(codec, codec->afg, 0,
- AC_VERB_SET_GPIO_MASK, spec->gpio_mask);
-}
-
/*
* Analog playback callbacks
*/
@@ -2183,38 +2166,38 @@ static int stac9200_parse_auto_config(struct hda_codec *codec)
* funky external mute control using GPIO pins.
*/
-static void stac922x_gpio_mute(struct hda_codec *codec, int pin, int muted)
+static void stac_gpio_set(struct hda_codec *codec, unsigned int mask,
+ unsigned int data)
{
unsigned int gpiostate, gpiomask, gpiodir;
+ if (!mask)
+ return;
+
gpiostate = snd_hda_codec_read(codec, codec->afg, 0,
AC_VERB_GET_GPIO_DATA, 0);
-
- if (!muted)
- gpiostate |= (1 << pin);
- else
- gpiostate &= ~(1 << pin);
+ gpiostate = (gpiostate & ~mask) | (data & mask);
gpiomask = snd_hda_codec_read(codec, codec->afg, 0,
AC_VERB_GET_GPIO_MASK, 0);
- gpiomask |= (1 << pin);
+ gpiomask |= mask;
gpiodir = snd_hda_codec_read(codec, codec->afg, 0,
AC_VERB_GET_GPIO_DIRECTION, 0);
- gpiodir |= (1 << pin);
+ gpiodir |= mask;
- /* AppleHDA seems to do this -- WTF is this verb?? */
+ /* Configure GPIOx as CMOS */
snd_hda_codec_write(codec, codec->afg, 0, 0x7e7, 0);
snd_hda_codec_write(codec, codec->afg, 0,
AC_VERB_SET_GPIO_MASK, gpiomask);
- snd_hda_codec_write(codec, codec->afg, 0,
- AC_VERB_SET_GPIO_DIRECTION, gpiodir);
+ snd_hda_codec_read(codec, codec->afg, 0,
+ AC_VERB_SET_GPIO_DIRECTION, gpiodir); /* sync */
msleep(1);
- snd_hda_codec_write(codec, codec->afg, 0,
- AC_VERB_SET_GPIO_DATA, gpiostate);
+ snd_hda_codec_read(codec, codec->afg, 0,
+ AC_VERB_SET_GPIO_DATA, gpiostate); /* sync */
}
static void enable_pin_detect(struct hda_codec *codec, hda_nid_t nid,
@@ -2273,10 +2256,7 @@ static int stac92xx_init(struct hda_codec *codec)
stac92xx_auto_set_pinctl(codec, cfg->dig_in_pin,
AC_PINCTL_IN_EN);
- if (spec->gpio_mute) {
- stac922x_gpio_mute(codec, 0, 0);
- stac922x_gpio_mute(codec, 1, 0);
- }
+ stac_gpio_set(codec, spec->gpio_mask, spec->gpio_data);
return 0;
}
@@ -2400,10 +2380,7 @@ static int stac92xx_resume(struct hda_codec *codec)
stac92xx_set_config_regs(codec);
snd_hda_sequence_write(codec, spec->init);
- if (spec->gpio_mute) {
- stac922x_gpio_mute(codec, 0, 0);
- stac922x_gpio_mute(codec, 1, 0);
- }
+ stac_gpio_set(codec, spec->gpio_mask, spec->gpio_data);
snd_hda_codec_resume_amp(codec);
snd_hda_codec_resume_cache(codec);
/* invoke unsolicited event to reset the HP state */
@@ -2567,7 +2544,7 @@ static int patch_stac922x(struct hda_codec *codec)
stac922x_models,
stac922x_cfg_tbl);
if (spec->board_config == STAC_INTEL_MAC_V3) {
- spec->gpio_mute = 1;
+ spec->gpio_mask = spec->gpio_data = 0x03;
/* Intel Macs have all same PCI SSID, so we need to check
* codec SSID to distinguish the exact models
*/
@@ -2714,7 +2691,6 @@ static int patch_stac927x(struct hda_codec *codec)
spec->multiout.dac_nids = spec->dac_nids;
/* GPIO0 High = Enable EAPD */
spec->gpio_mask = spec->gpio_data = 0x00000001;
- stac92xx_enable_gpio_mask(codec);
err = stac92xx_parse_auto_config(codec, 0x1e, 0x20);
if (!err) {
@@ -2796,7 +2772,6 @@ static int patch_stac9205(struct hda_codec *codec)
break;
}
- stac92xx_enable_gpio_mask(codec);
err = stac92xx_parse_auto_config(codec, 0x1f, 0x20);
if (!err) {
if (spec->board_config < 0) {
--
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