Merge tag 'sound-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...

[uclinux-h8/linux.git] / sound / soc / codecs / max98090.c

diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 3e33ef2..78268f0 100644 (file)
--- 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 },
        { }
 };