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Diffstat (limited to 'sound/soc/codecs/wm8400.c')
-rw-r--r--sound/soc/codecs/wm8400.c95
1 files changed, 75 insertions, 20 deletions
diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c
index 48dc7d2..d2a0928 100644
--- a/sound/soc/codecs/wm8400.c
+++ b/sound/soc/codecs/wm8400.c
@@ -32,6 +32,13 @@
#include "wm8400.h"
+/* Fake register for internal state */
+#define WM8400_INTDRIVBITS (WM8400_REGISTER_COUNT + 1)
+#define WM8400_INMIXL_PWR 0
+#define WM8400_AINLMUX_PWR 1
+#define WM8400_INMIXR_PWR 2
+#define WM8400_AINRMUX_PWR 3
+
static struct regulator_bulk_data power[] = {
{
.supply = "I2S1VDD",
@@ -67,6 +74,32 @@ struct wm8400_priv {
int fll_in, fll_out;
};
+static inline unsigned int wm8400_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
+
+ if (reg == WM8400_INTDRIVBITS)
+ return wm8400->fake_register;
+ else
+ return wm8400_reg_read(wm8400->wm8400, reg);
+}
+
+/*
+ * write to the wm8400 register space
+ */
+static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
+
+ if (reg == WM8400_INTDRIVBITS) {
+ wm8400->fake_register = value;
+ return 0;
+ } else
+ return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value);
+}
+
static void wm8400_codec_reset(struct snd_soc_codec *codec)
{
struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
@@ -319,6 +352,32 @@ SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
* _DAPM_ Controls
*/
+static int inmixer_event (struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ u16 reg, fakepower;
+
+ reg = snd_soc_read(w->codec, WM8400_POWER_MANAGEMENT_2);
+ fakepower = snd_soc_read(w->codec, WM8400_INTDRIVBITS);
+
+ if (fakepower & ((1 << WM8400_INMIXL_PWR) |
+ (1 << WM8400_AINLMUX_PWR))) {
+ reg |= WM8400_AINL_ENA;
+ } else {
+ reg &= ~WM8400_AINL_ENA;
+ }
+
+ if (fakepower & ((1 << WM8400_INMIXR_PWR) |
+ (1 << WM8400_AINRMUX_PWR))) {
+ reg |= WM8400_AINR_ENA;
+ } else {
+ reg &= ~WM8400_AINR_ENA;
+ }
+ snd_soc_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg);
+
+ return 0;
+}
+
static int outmixer_event (struct snd_soc_dapm_widget *w,
struct snd_kcontrol * kcontrol, int event)
{
@@ -599,26 +658,27 @@ SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
0, &wm8400_dapm_rin34_pga_controls[0],
ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
-SND_SOC_DAPM_SUPPLY("INL", WM8400_POWER_MANAGEMENT_2, WM8400_AINL_ENA_SHIFT,
- 0, NULL, 0),
-SND_SOC_DAPM_SUPPLY("INR", WM8400_POWER_MANAGEMENT_2, WM8400_AINR_ENA_SHIFT,
- 0, NULL, 0),
-
/* INMIXL */
-SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
+SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0,
&wm8400_dapm_inmixl_controls[0],
- ARRAY_SIZE(wm8400_dapm_inmixl_controls)),
+ ARRAY_SIZE(wm8400_dapm_inmixl_controls),
+ inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* AINLMUX */
-SND_SOC_DAPM_MUX("AILNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainlmux_controls),
+SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0,
+ &wm8400_dapm_ainlmux_controls, inmixer_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* INMIXR */
-SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
+SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0,
&wm8400_dapm_inmixr_controls[0],
- ARRAY_SIZE(wm8400_dapm_inmixr_controls)),
+ ARRAY_SIZE(wm8400_dapm_inmixr_controls),
+ inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* AINRMUX */
-SND_SOC_DAPM_MUX("AIRNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainrmux_controls),
+SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0,
+ &wm8400_dapm_ainrmux_controls, inmixer_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* Output Side */
/* DACs */
@@ -729,13 +789,11 @@ static const struct snd_soc_dapm_route wm8400_dapm_routes[] = {
{"LIN34 PGA", "LIN3 Switch", "LIN3"},
{"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
/* INMIXL */
- {"INMIXL", NULL, "INL"},
{"INMIXL", "Record Left Volume", "LOMIX"},
{"INMIXL", "LIN2 Volume", "LIN2"},
{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
/* AILNMUX */
- {"AILNMUX", NULL, "INL"},
{"AILNMUX", "INMIXL Mix", "INMIXL"},
{"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
{"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
@@ -750,14 +808,12 @@ static const struct snd_soc_dapm_route wm8400_dapm_routes[] = {
/* RIN34 PGA */
{"RIN34 PGA", "RIN3 Switch", "RIN3"},
{"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
- /* INMIXR */
- {"INMIXR", NULL, "INR"},
+ /* INMIXL */
{"INMIXR", "Record Right Volume", "ROMIX"},
{"INMIXR", "RIN2 Volume", "RIN2"},
{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
/* AIRNMUX */
- {"AIRNMUX", NULL, "INR"},
{"AIRNMUX", "INMIXR Mix", "INMIXR"},
{"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
{"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
@@ -1309,12 +1365,9 @@ static int wm8400_codec_probe(struct snd_soc_codec *codec)
return -ENOMEM;
snd_soc_codec_set_drvdata(codec, priv);
- priv->wm8400 = wm8400;
- codec->control_data = wm8400->regmap;
+ codec->control_data = priv->wm8400 = wm8400;
priv->codec = codec;
- snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP);
-
ret = devm_regulator_bulk_get(wm8400->dev,
ARRAY_SIZE(power), &power[0]);
if (ret != 0) {
@@ -1361,6 +1414,8 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8400 = {
.remove = wm8400_codec_remove,
.suspend = wm8400_suspend,
.resume = wm8400_resume,
+ .read = snd_soc_read,
+ .write = wm8400_write,
.set_bias_level = wm8400_set_bias_level,
.controls = wm8400_snd_controls,