ASoC: wm5100: Mark register cache as dirty when regulators are disabled

[deliverable/linux.git] / sound / soc / codecs / wm5100.c

diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index a234b70377fc1a8692d3d4fede2f18bea289f74c..89f2af77b1c3983afaa407e6ff2740ec95e0c068 100644 (file)
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -1377,6 +1377,7 @@ static int wm5100_set_bias_level(struct snd_soc_codec *codec,
 
                        switch (wm5100->rev) {
                        case 0:
+                               regcache_cache_bypass(wm5100->regmap, true);
                                snd_soc_write(codec, 0x11, 0x3);
                                snd_soc_write(codec, 0x203, 0xc);
                                snd_soc_write(codec, 0x206, 0);
@@ -1392,6 +1393,7 @@ static int wm5100_set_bias_level(struct snd_soc_codec *codec,
                                        snd_soc_write(codec,
                                                      wm5100_reva_patches[i].reg,
                                                      wm5100_reva_patches[i].val);
+                               regcache_cache_bypass(wm5100->regmap, false);
                                break;
                        default:
                                break;
@@ -1402,6 +1404,8 @@ static int wm5100_set_bias_level(struct snd_soc_codec *codec,
                break;
 
        case SND_SOC_BIAS_OFF:
+               regcache_cache_only(wm5100->regmap, true);
+               regcache_mark_dirty(wm5100->regmap);
                if (wm5100->pdata.ldo_ena)
                        gpio_set_value_cansleep(wm5100->pdata.ldo_ena, 0);
                regulator_bulk_disable(ARRAY_SIZE(wm5100->core_supplies),
@@ -2180,6 +2184,7 @@ static void wm5100_micd_irq(struct snd_soc_codec *codec)
                if (wm5100->jack_detecting) {
                        dev_dbg(codec->dev, "Microphone detected\n");
                        wm5100->jack_mic = true;
+                       wm5100->jack_detecting = false;
                        snd_soc_jack_report(wm5100->jack,
                                            SND_JACK_HEADSET,
                                            SND_JACK_HEADSET | SND_JACK_BTN_0);
@@ -2218,6 +2223,7 @@ static void wm5100_micd_irq(struct snd_soc_codec *codec)
                                            SND_JACK_BTN_0);
                } else if (wm5100->jack_detecting) {
                        dev_dbg(codec->dev, "Headphone detected\n");
+                       wm5100->jack_detecting = false;
                        snd_soc_jack_report(wm5100->jack, SND_JACK_HEADPHONE,
                                            SND_JACK_HEADPHONE);
 
@@ -2568,6 +2574,13 @@ static int wm5100_remove(struct snd_soc_codec *codec)
        return 0;
 }
 
+static int wm5100_soc_volatile(struct snd_soc_codec *codec,
+                              unsigned int reg)
+{
+       return true;
+}
+
+
 static struct snd_soc_codec_driver soc_codec_dev_wm5100 = {
        .probe =        wm5100_probe,
        .remove =       wm5100_remove,
@@ -2576,6 +2589,8 @@ static struct snd_soc_codec_driver soc_codec_dev_wm5100 = {
        .set_pll = wm5100_set_fll,
        .set_bias_level = wm5100_set_bias_level,
        .idle_bias_off = 1,
+       .reg_cache_size = WM5100_MAX_REGISTER,
+       .volatile_register = wm5100_soc_volatile,
 
        .seq_notifier = wm5100_seq_notifier,
        .controls = wm5100_snd_controls,
@@ -2598,6 +2613,13 @@ static const struct regmap_config wm5100_regmap = {
        .cache_type = REGCACHE_RBTREE,
 };
 
+static const unsigned int wm5100_mic_ctrl_reg[] = {
+       WM5100_IN1L_CONTROL,
+       WM5100_IN2L_CONTROL,
+       WM5100_IN3L_CONTROL,
+       WM5100_IN4L_CONTROL,
+};
+
 static __devinit int wm5100_i2c_probe(struct i2c_client *i2c,
                                      const struct i2c_device_id *id)
 {
@@ -2730,7 +2752,7 @@ static __devinit int wm5100_i2c_probe(struct i2c_client *i2c,
        }
 
        for (i = 0; i < ARRAY_SIZE(wm5100->pdata.in_mode); i++) {
-               regmap_update_bits(wm5100->regmap, WM5100_IN1L_CONTROL,
+               regmap_update_bits(wm5100->regmap, wm5100_mic_ctrl_reg[i],
                                   WM5100_IN1_MODE_MASK |
                                   WM5100_IN1_DMIC_SUP_MASK,
                                   (wm5100->pdata.in_mode[i] <<