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Diffstat (limited to 'sound/soc/codecs/max98090.c')
-rw-r--r--sound/soc/codecs/max98090.c38
1 files changed, 23 insertions, 15 deletions
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 3e33ef2acf3c..78268f0514e9 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -27,7 +27,7 @@
#include "max98090.h"
/* Allows for sparsely populated register maps */
-static struct reg_default max98090_reg[] = {
+static const struct reg_default max98090_reg[] = {
{ 0x00, 0x00 }, /* 00 Software Reset */
{ 0x03, 0x04 }, /* 03 Interrupt Masks */
{ 0x04, 0x00 }, /* 04 System Clock Quick */
@@ -1500,7 +1500,7 @@ static const struct snd_soc_dapm_route max98091_dapm_routes[] = {
static int max98090_add_widgets(struct snd_soc_codec *codec)
{
struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
- struct snd_soc_dapm_context *dapm = &codec->dapm;
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
snd_soc_add_codec_controls(codec, max98090_snd_controls,
ARRAY_SIZE(max98090_snd_controls));
@@ -1798,16 +1798,17 @@ static int max98090_set_bias_level(struct snd_soc_codec *codec,
* away from ON. Disable the clock in that case, otherwise
* enable it.
*/
- if (!IS_ERR(max98090->mclk)) {
- if (codec->dapm.bias_level == SND_SOC_BIAS_ON)
- clk_disable_unprepare(max98090->mclk);
- else
- clk_prepare_enable(max98090->mclk);
- }
+ if (IS_ERR(max98090->mclk))
+ break;
+
+ if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON)
+ clk_disable_unprepare(max98090->mclk);
+ else
+ clk_prepare_enable(max98090->mclk);
break;
case SND_SOC_BIAS_STANDBY:
- if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
ret = regcache_sync(max98090->regmap);
if (ret != 0) {
dev_err(codec->dev,
@@ -1824,7 +1825,6 @@ static int max98090_set_bias_level(struct snd_soc_codec *codec,
regcache_mark_dirty(max98090->regmap);
break;
}
- codec->dapm.bias_level = level;
return 0;
}
@@ -2187,7 +2187,6 @@ static void max98090_jack_work(struct work_struct *work)
struct max98090_priv,
jack_work.work);
struct snd_soc_codec *codec = max98090->codec;
- struct snd_soc_dapm_context *dapm = &codec->dapm;
int status = 0;
int reg;
@@ -2266,8 +2265,6 @@ static void max98090_jack_work(struct work_struct *work)
snd_soc_jack_report(max98090->jack, status,
SND_JACK_HEADSET | SND_JACK_BTN_0);
-
- snd_soc_dapm_sync(dapm);
}
static irqreturn_t max98090_interrupt(int irq, void *data)
@@ -2422,6 +2419,8 @@ static int max98090_probe(struct snd_soc_codec *codec)
struct max98090_cdata *cdata;
enum max98090_type devtype;
int ret = 0;
+ int err;
+ unsigned int micbias;
dev_dbg(codec->dev, "max98090_probe\n");
@@ -2506,8 +2505,17 @@ static int max98090_probe(struct snd_soc_codec *codec)
snd_soc_write(codec, M98090_REG_BIAS_CONTROL,
M98090_VCM_MODE_MASK);
+ err = device_property_read_u32(codec->dev, "maxim,micbias", &micbias);
+ if (err) {
+ micbias = M98090_MBVSEL_2V8;
+ dev_info(codec->dev, "use default 2.8v micbias\n");
+ } else if (micbias < M98090_MBVSEL_2V2 || micbias > M98090_MBVSEL_2V8) {
+ dev_err(codec->dev, "micbias out of range 0x%x\n", micbias);
+ micbias = M98090_MBVSEL_2V8;
+ }
+
snd_soc_update_bits(codec, M98090_REG_MIC_BIAS_VOLTAGE,
- M98090_MBVSEL_MASK, M98090_MBVSEL_2V8);
+ M98090_MBVSEL_MASK, micbias);
max98090_add_widgets(codec);
@@ -2696,7 +2704,7 @@ static const struct of_device_id max98090_of_match[] = {
MODULE_DEVICE_TABLE(of, max98090_of_match);
#ifdef CONFIG_ACPI
-static struct acpi_device_id max98090_acpi_match[] = {
+static const struct acpi_device_id max98090_acpi_match[] = {
{ "193C9890", MAX98090 },
{ }
};