From da33986651e137b1ea2ec21794e32bc5c57b03d0 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 13 May 2011 16:24:15 +0200
Subject: [PATCH] ALSA: hda - Turn on EAPD dynamically per jack plug in
Conexant auto mode
Instead of keeping always EAPD on, turn on/off appropriately at jack
plugging in Conexant auto-parser mode.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_conexant.c | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index eecc154d0b63f..d63e15b8937ad 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -3325,6 +3325,9 @@ static void cx_auto_parse_output(struct hda_codec *codec)
spec->vmaster_nid = spec->private_dac_nids[0];
}
+static void cx_auto_turn_eapd(struct hda_codec *codec, int num_pins,
+ hda_nid_t *pins, bool on);
+
/* auto-mute/unmute speaker and line outs according to headphone jack */
static void cx_auto_hp_automute(struct hda_codec *codec)
{
@@ -3341,11 +3344,13 @@ static void cx_auto_hp_automute(struct hda_codec *codec)
break;
}
}
+ cx_auto_turn_eapd(codec, cfg->hp_outs, cfg->hp_pins, present);
for (i = 0; i < cfg->line_outs; i++) {
snd_hda_codec_write(codec, cfg->line_out_pins[i], 0,
AC_VERB_SET_PIN_WIDGET_CONTROL,
present ? 0 : PIN_OUT);
}
+ cx_auto_turn_eapd(codec, cfg->line_outs, cfg->line_out_pins, !present);
for (i = 0; !present && i < cfg->line_outs; i++)
if (snd_hda_jack_detect(codec, cfg->line_out_pins[i]))
present = 1;
@@ -3354,6 +3359,7 @@ static void cx_auto_hp_automute(struct hda_codec *codec)
AC_VERB_SET_PIN_WIDGET_CONTROL,
present ? 0 : PIN_OUT);
}
+ cx_auto_turn_eapd(codec, cfg->speaker_outs, cfg->speaker_pins, !present);
}
/* automatic switch internal and external mic */
@@ -3517,14 +3523,15 @@ static int cx_auto_parse_auto_config(struct hda_codec *codec)
return 0;
}
-static void cx_auto_turn_on_eapd(struct hda_codec *codec, int num_pins,
- hda_nid_t *pins)
+static void cx_auto_turn_eapd(struct hda_codec *codec, int num_pins,
+ hda_nid_t *pins, bool on)
{
int i;
for (i = 0; i < num_pins; i++) {
if (snd_hda_query_pin_caps(codec, pins[i]) & AC_PINCAP_EAPD)
snd_hda_codec_write(codec, pins[i], 0,
- AC_VERB_SET_EAPD_BTLENABLE, 0x02);
+ AC_VERB_SET_EAPD_BTLENABLE,
+ on ? 0x02 : 0);
}
}
@@ -3565,6 +3572,13 @@ static void cx_auto_init_output(struct hda_codec *codec)
for (i = 0; i < cfg->speaker_outs; i++)
snd_hda_codec_write(codec, cfg->speaker_pins[i], 0,
AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
+ /* turn on EAPD */
+ cx_auto_turn_eapd(codec, cfg->line_outs, cfg->line_out_pins,
+ true);
+ cx_auto_turn_eapd(codec, cfg->hp_outs, cfg->hp_pins,
+ true);
+ cx_auto_turn_eapd(codec, cfg->speaker_outs, cfg->speaker_pins,
+ true);
}
for (i = 0; i < spec->dac_info_filled; i++) {
@@ -3573,11 +3587,6 @@ static void cx_auto_init_output(struct hda_codec *codec)
nid = spec->multiout.dac_nids[0];
select_connection(codec, spec->dac_info[i].pin, nid);
}
-
- /* turn on EAPD */
- cx_auto_turn_on_eapd(codec, cfg->line_outs, cfg->line_out_pins);
- cx_auto_turn_on_eapd(codec, cfg->hp_outs, cfg->hp_pins);
- cx_auto_turn_on_eapd(codec, cfg->speaker_outs, cfg->speaker_pins);
}
static void cx_auto_init_input(struct hda_codec *codec)
--
2.30.2