From b63144e6c6097486e7678f9ecc2769b68d2ec83e Mon Sep 17 00:00:00 2001
From: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Date: Thu, 4 Jul 2013 08:56:28 +0100
Subject: [PATCH] ASoC: arizona: Add signal activity output for DRC
When doing signal activity detection, the only output from the DRC will
often be a GPIO pin. This patch adds a signal activity output that is
activated when a GPIO is configured to output the DRC signal activity
detection.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
---
sound/soc/codecs/arizona.c | 33 +++++++++++++++++++++++++++++++++
sound/soc/codecs/arizona.h | 1 +
sound/soc/codecs/wm5102.c | 6 ++++++
sound/soc/codecs/wm5110.c | 9 +++++++++
4 files changed, 49 insertions(+)
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index de625813c0e6..c9116ac0d4a7 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -19,6 +19,7 @@
#include <sound/tlv.h>
#include <linux/mfd/arizona/core.h>
+#include <linux/mfd/arizona/gpio.h>
#include <linux/mfd/arizona/registers.h>
#include "arizona.h"
@@ -223,6 +224,38 @@ int arizona_init_spk(struct snd_soc_codec *codec)
}
EXPORT_SYMBOL_GPL(arizona_init_spk);
+int arizona_init_gpio(struct snd_soc_codec *codec)
+{
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct arizona *arizona = priv->arizona;
+ int i;
+
+ switch (arizona->type) {
+ case WM5110:
+ snd_soc_dapm_disable_pin(&codec->dapm, "DRC2 Signal Activity");
+ }
+
+ snd_soc_dapm_disable_pin(&codec->dapm, "DRC1 Signal Activity");
+
+ for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
+ switch (arizona->pdata.gpio_defaults[i] & ARIZONA_GPN_FN_MASK) {
+ case ARIZONA_GP_FN_DRC1_SIGNAL_DETECT:
+ snd_soc_dapm_enable_pin(&codec->dapm,
+ "DRC1 Signal Activity");
+ break;
+ case ARIZONA_GP_FN_DRC2_SIGNAL_DETECT:
+ snd_soc_dapm_enable_pin(&codec->dapm,
+ "DRC2 Signal Activity");
+ break;
+ default:
+ break;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(arizona_init_gpio);
+
const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = {
"None",
"Tone Generator 1",
diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h
index b60b08ccc1d0..fe1b794bd5f0 100644
--- a/sound/soc/codecs/arizona.h
+++ b/sound/soc/codecs/arizona.h
@@ -242,6 +242,7 @@ extern int arizona_set_fll(struct arizona_fll *fll, int source,
unsigned int Fref, unsigned int Fout);
extern int arizona_init_spk(struct snd_soc_codec *codec);
+extern int arizona_init_gpio(struct snd_soc_codec *codec);
extern int arizona_init_dai(struct arizona_priv *priv, int dai);
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index 282fd232cdf7..a6cbdb4b5c0f 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -998,6 +998,8 @@ SND_SOC_DAPM_INPUT("IN2R"),
SND_SOC_DAPM_INPUT("IN3L"),
SND_SOC_DAPM_INPUT("IN3R"),
+SND_SOC_DAPM_OUTPUT("DRC1 Signal Activity"),
+
SND_SOC_DAPM_PGA_E("IN1L PGA", ARIZONA_INPUT_ENABLES, ARIZONA_IN1L_ENA_SHIFT,
0, NULL, 0, arizona_in_ev,
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD |
@@ -1614,6 +1616,9 @@ static const struct snd_soc_dapm_route wm5102_dapm_routes[] = {
{ "SPKDAT1R", NULL, "OUT5R" },
{ "MICSUPP", NULL, "SYSCLK" },
+
+ { "DRC1 Signal Activity", NULL, "DRC1L" },
+ { "DRC1 Signal Activity", NULL, "DRC1R" },
};
static int wm5102_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
@@ -1781,6 +1786,7 @@ static int wm5102_codec_probe(struct snd_soc_codec *codec)
return ret;
arizona_init_spk(codec);
+ arizona_init_gpio(codec);
snd_soc_dapm_disable_pin(&codec->dapm, "HAPTICS");
diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c
index 2e7cb4ba161a..fc410377277f 100644
--- a/sound/soc/codecs/wm5110.c
+++ b/sound/soc/codecs/wm5110.c
@@ -432,6 +432,9 @@ SND_SOC_DAPM_INPUT("IN3R"),
SND_SOC_DAPM_INPUT("IN4L"),
SND_SOC_DAPM_INPUT("IN4R"),
+SND_SOC_DAPM_OUTPUT("DRC1 Signal Activity"),
+SND_SOC_DAPM_OUTPUT("DRC2 Signal Activity"),
+
SND_SOC_DAPM_PGA_E("IN1L PGA", ARIZONA_INPUT_ENABLES, ARIZONA_IN1L_ENA_SHIFT,
0, NULL, 0, arizona_in_ev,
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD |
@@ -1006,6 +1009,11 @@ static const struct snd_soc_dapm_route wm5110_dapm_routes[] = {
{ "SPKDAT2R", NULL, "OUT6R" },
{ "MICSUPP", NULL, "SYSCLK" },
+
+ { "DRC1 Signal Activity", NULL, "DRC1L" },
+ { "DRC1 Signal Activity", NULL, "DRC1R" },
+ { "DRC2 Signal Activity", NULL, "DRC2L" },
+ { "DRC2 Signal Activity", NULL, "DRC2R" },
};
static int wm5110_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
@@ -1170,6 +1178,7 @@ static int wm5110_codec_probe(struct snd_soc_codec *codec)
return ret;
arizona_init_spk(codec);
+ arizona_init_gpio(codec);
snd_soc_dapm_disable_pin(&codec->dapm, "HAPTICS");