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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-01-10 14:45:58 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-03-21 18:54:18 +0100
commit56447e1324009d7e3cec40e3cc2987843b59a00f (patch)
tree5a06797850248ded279d40655c85c0a1d2ca2f95 /sound/soc/codecs/arizona.c
parent4f1b07581613bf076b0dacdd9a3fb290d3caa227 (diff)
ASoC: arizona: Factor out speaker widgets from CODEC drivers
Some system designs have been identified which repurpose portions of the speaker driver circuits for other functions which will require that they not be managed using DAPM. Prepare for this by factoring out the creation of the speaker widgets into the core driver, the widgets will be replaced by dummy ones when the additional functions are enabled. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/arizona.c')
-rw-r--r--sound/soc/codecs/arizona.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 2b0803ec823..009810b8c66 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -14,6 +14,7 @@
#include <linux/gcd.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
+#include <linux/delay.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
@@ -66,6 +67,87 @@
#define arizona_aif_dbg(_dai, fmt, ...) \
dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
+static int arizona_spk_ev(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol,
+ int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+ struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ bool manual_ena = false;
+
+ switch (arizona->type) {
+ case WM5102:
+ switch (arizona->rev) {
+ case 0:
+ break;
+ default:
+ manual_ena = true;
+ break;
+ }
+ default:
+ break;
+ }
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ if (!priv->spk_ena && manual_ena) {
+ snd_soc_write(codec, 0x4f5, 0x25a);
+ priv->spk_ena_pending = true;
+ }
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ if (priv->spk_ena_pending) {
+ msleep(75);
+ snd_soc_write(codec, 0x4f5, 0xda);
+ priv->spk_ena_pending = false;
+ priv->spk_ena++;
+ }
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ if (manual_ena) {
+ priv->spk_ena--;
+ if (!priv->spk_ena)
+ snd_soc_write(codec, 0x4f5, 0x25a);
+ }
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ if (manual_ena) {
+ if (!priv->spk_ena)
+ snd_soc_write(codec, 0x4f5, 0x0da);
+ }
+ break;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget arizona_spkl =
+ SND_SOC_DAPM_PGA_E("OUT4L", ARIZONA_OUTPUT_ENABLES_1,
+ ARIZONA_OUT4L_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev,
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU);
+
+static const struct snd_soc_dapm_widget arizona_spkr =
+ SND_SOC_DAPM_PGA_E("OUT4R", ARIZONA_OUTPUT_ENABLES_1,
+ ARIZONA_OUT4R_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev,
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU);
+
+int arizona_init_spk(struct snd_soc_codec *codec)
+{
+ int ret;
+
+ ret = snd_soc_dapm_new_controls(&codec->dapm, &arizona_spkl, 1);
+ if (ret != 0)
+ return ret;
+
+ ret = snd_soc_dapm_new_controls(&codec->dapm, &arizona_spkr, 1);
+ if (ret != 0)
+ return ret;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(arizona_init_spk);
+
const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = {
"None",
"Tone Generator 1",