]> Pileus Git - ~andy/linux/blobdiff - sound/soc/codecs/wm8996.c
ASoC: wm8996: Remove separate output stage enable step
[~andy/linux] / sound / soc / codecs / wm8996.c
index 61f7daa4d0e681571222fce0910ab148e8b0f18a..40a124c9f15daa72caa589adf94002373176907c 100644 (file)
@@ -73,7 +73,6 @@ struct wm8996_priv {
 
        struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
        struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
-       struct regulator *cpvdd;
        int bg_ena;
 
        struct wm8996_pdata pdata;
@@ -90,6 +89,7 @@ struct wm8996_priv {
        struct snd_soc_jack *jack;
        bool detecting;
        bool jack_mic;
+       int jack_flips;
        wm8996_polarity_fn polarity_cb;
 
 #ifdef CONFIG_GPIOLIB
@@ -118,7 +118,6 @@ WM8996_REGULATOR_EVENT(1)
 WM8996_REGULATOR_EVENT(2)
 
 static struct reg_default wm8996_reg[] = {
-       { WM8996_SOFTWARE_RESET, 0x8996 },
        { WM8996_POWER_MANAGEMENT_1, 0x0 },
        { WM8996_POWER_MANAGEMENT_2, 0x0 },
        { WM8996_POWER_MANAGEMENT_3, 0x0 },
@@ -153,7 +152,6 @@ static struct reg_default wm8996_reg[] = {
        { WM8996_CHARGE_PUMP_1, 0x1f25 },
        { WM8996_CHARGE_PUMP_2, 0xab19 },
        { WM8996_DC_SERVO_1, 0x0 },
-       { WM8996_DC_SERVO_2, 0x0 },
        { WM8996_DC_SERVO_3, 0x0 },
        { WM8996_DC_SERVO_5, 0x2a2a },
        { WM8996_DC_SERVO_6, 0x0 },
@@ -716,10 +714,16 @@ SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
 SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
 SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
 SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
+SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
+                  WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA |
+                  WM8996_DSP1TXR_DRC_ENA),
 
 SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
 SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
 SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
+SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
+                  WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA |
+                  WM8996_DSP2TXR_DRC_ENA),
 };
 
 static const struct snd_kcontrol_new wm8996_eq_controls[] = {
@@ -792,29 +796,18 @@ static int bg_event(struct snd_soc_dapm_widget *w,
 static int cp_event(struct snd_soc_dapm_widget *w,
                    struct snd_kcontrol *kcontrol, int event)
 {
-       struct snd_soc_codec *codec = w->codec;
-       struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
        int ret = 0;
 
        switch (event) {
-       case SND_SOC_DAPM_PRE_PMU:
-               ret = regulator_enable(wm8996->cpvdd);
-               if (ret != 0)
-                       dev_err(codec->dev, "Failed to enable CPVDD: %d\n",
-                               ret);
-               break;
        case SND_SOC_DAPM_POST_PMU:
                msleep(5);
                break;
-       case SND_SOC_DAPM_POST_PMD:
-               regulator_disable_deferred(wm8996->cpvdd, 20);
-               break;
        default:
                BUG();
                ret = -EINVAL;
        }
 
-       return ret;
+       return 0;
 }
 
 static int rmv_short_event(struct snd_soc_dapm_widget *w,
@@ -897,8 +890,8 @@ static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
                val = 0;
                mask = 0;
                if (wm8996->hpout_pending & HPOUT1L) {
-                       val |= WM8996_HPOUT1L_RMV_SHORT;
-                       mask |= WM8996_HPOUT1L_RMV_SHORT;
+                       val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
+                       mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
                } else {
                        mask |= WM8996_HPOUT1L_RMV_SHORT |
                                WM8996_HPOUT1L_OUTP |
@@ -906,8 +899,8 @@ static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
                }
 
                if (wm8996->hpout_pending & HPOUT1R) {
-                       val |= WM8996_HPOUT1R_RMV_SHORT;
-                       mask |= WM8996_HPOUT1R_RMV_SHORT;
+                       val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
+                       mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
                } else {
                        mask |= WM8996_HPOUT1R_RMV_SHORT |
                                WM8996_HPOUT1R_OUTP |
@@ -919,8 +912,8 @@ static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
                val = 0;
                mask = 0;
                if (wm8996->hpout_pending & HPOUT2L) {
-                       val |= WM8996_HPOUT2L_RMV_SHORT;
-                       mask |= WM8996_HPOUT2L_RMV_SHORT;
+                       val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
+                       mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
                } else {
                        mask |= WM8996_HPOUT2L_RMV_SHORT |
                                WM8996_HPOUT2L_OUTP |
@@ -928,8 +921,8 @@ static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
                }
 
                if (wm8996->hpout_pending & HPOUT2R) {
-                       val |= WM8996_HPOUT2R_RMV_SHORT;
-                       mask |= WM8996_HPOUT2R_RMV_SHORT;
+                       val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
+                       mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
                } else {
                        mask |= WM8996_HPOUT2R_RMV_SHORT |
                                WM8996_HPOUT2R_OUTP |
@@ -1116,12 +1109,12 @@ SND_SOC_DAPM_INPUT("IN2RP"),
 SND_SOC_DAPM_INPUT("DMIC1DAT"),
 SND_SOC_DAPM_INPUT("DMIC2DAT"),
 
+SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20),
 SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
 SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
 SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
-                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
-                     SND_SOC_DAPM_POST_PMD),
+                     SND_SOC_DAPM_POST_PMU),
 SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
                    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
@@ -1180,41 +1173,25 @@ SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
 
-SND_SOC_DAPM_AIF_IN("AIF2RX1", "AIF2 Playback", 0,
-                   WM8996_POWER_MANAGEMENT_4, 9, 0),
-SND_SOC_DAPM_AIF_IN("AIF2RX0", "AIF2 Playback", 1,
-                   WM8996_POWER_MANAGEMENT_4, 8, 0),
-
-SND_SOC_DAPM_AIF_OUT("AIF2TX1", "AIF2 Capture", 0,
-                   WM8996_POWER_MANAGEMENT_6, 9, 0),
-SND_SOC_DAPM_AIF_OUT("AIF2TX0", "AIF2 Capture", 1,
-                   WM8996_POWER_MANAGEMENT_6, 8, 0),
-
-SND_SOC_DAPM_AIF_IN("AIF1RX5", "AIF1 Playback", 5,
-                   WM8996_POWER_MANAGEMENT_4, 5, 0),
-SND_SOC_DAPM_AIF_IN("AIF1RX4", "AIF1 Playback", 4,
-                   WM8996_POWER_MANAGEMENT_4, 4, 0),
-SND_SOC_DAPM_AIF_IN("AIF1RX3", "AIF1 Playback", 3,
-                   WM8996_POWER_MANAGEMENT_4, 3, 0),
-SND_SOC_DAPM_AIF_IN("AIF1RX2", "AIF1 Playback", 2,
-                   WM8996_POWER_MANAGEMENT_4, 2, 0),
-SND_SOC_DAPM_AIF_IN("AIF1RX1", "AIF1 Playback", 1,
-                   WM8996_POWER_MANAGEMENT_4, 1, 0),
-SND_SOC_DAPM_AIF_IN("AIF1RX0", "AIF1 Playback", 0,
-                   WM8996_POWER_MANAGEMENT_4, 0, 0),
-
-SND_SOC_DAPM_AIF_OUT("AIF1TX5", "AIF1 Capture", 5,
-                    WM8996_POWER_MANAGEMENT_6, 5, 0),
-SND_SOC_DAPM_AIF_OUT("AIF1TX4", "AIF1 Capture", 4,
-                    WM8996_POWER_MANAGEMENT_6, 4, 0),
-SND_SOC_DAPM_AIF_OUT("AIF1TX3", "AIF1 Capture", 3,
-                    WM8996_POWER_MANAGEMENT_6, 3, 0),
-SND_SOC_DAPM_AIF_OUT("AIF1TX2", "AIF1 Capture", 2,
-                    WM8996_POWER_MANAGEMENT_6, 2, 0),
-SND_SOC_DAPM_AIF_OUT("AIF1TX1", "AIF1 Capture", 1,
-                    WM8996_POWER_MANAGEMENT_6, 1, 0),
-SND_SOC_DAPM_AIF_OUT("AIF1TX0", "AIF1 Capture", 0,
-                    WM8996_POWER_MANAGEMENT_6, 0, 0),
+SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0),
+SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0),
+
+SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0),
+SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0),
+
+SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0),
+SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0),
+SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0),
+SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0),
+SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0),
+SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0),
+
+SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0),
+SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0),
+SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0),
+SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0),
+SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0),
+SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0),
 
 /* We route as stereo pairs so define some dummy widgets to squash
  * things down for now.  RXA = 0,1, RXB = 2,3 and so on */
@@ -1237,7 +1214,6 @@ SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
                   SND_SOC_DAPM_POST_PMU),
-SND_SOC_DAPM_PGA_S("HPOUT2L_OUTP", 3, WM8996_ANALOGUE_HP_2, 6, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
                   rmv_short_event,
                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
@@ -1246,7 +1222,6 @@ SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
                   SND_SOC_DAPM_POST_PMU),
-SND_SOC_DAPM_PGA_S("HPOUT2R_OUTP", 3, WM8996_ANALOGUE_HP_2, 2, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
                   rmv_short_event,
                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
@@ -1255,7 +1230,6 @@ SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
                   SND_SOC_DAPM_POST_PMU),
-SND_SOC_DAPM_PGA_S("HPOUT1L_OUTP", 3, WM8996_ANALOGUE_HP_1, 6, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
                   rmv_short_event,
                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
@@ -1264,7 +1238,6 @@ SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
                   SND_SOC_DAPM_POST_PMU),
-SND_SOC_DAPM_PGA_S("HPOUT1R_OUTP", 3, WM8996_ANALOGUE_HP_1, 2, 0, NULL, 0),
 SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
                   rmv_short_event,
                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
@@ -1280,6 +1253,7 @@ static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
        { "AIFCLK", NULL, "SYSCLK" },
        { "SYSDSPCLK", NULL, "SYSCLK" },
        { "Charge Pump", NULL, "SYSCLK" },
+       { "Charge Pump", NULL, "CPVDD" },
 
        { "MICB1", NULL, "LDO2" },
        { "MICB1", NULL, "MICB1 Audio" },
@@ -1288,6 +1262,26 @@ static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
        { "MICB2", NULL, "MICB2 Audio" },
        { "MICB2", NULL, "Bandgap" },
 
+       { "AIF1RX0", NULL, "AIF1 Playback" },
+       { "AIF1RX1", NULL, "AIF1 Playback" },
+       { "AIF1RX2", NULL, "AIF1 Playback" },
+       { "AIF1RX3", NULL, "AIF1 Playback" },
+       { "AIF1RX4", NULL, "AIF1 Playback" },
+       { "AIF1RX5", NULL, "AIF1 Playback" },
+
+       { "AIF2RX0", NULL, "AIF2 Playback" },
+       { "AIF2RX1", NULL, "AIF2 Playback" },
+
+       { "AIF1 Capture", NULL, "AIF1TX0" },
+       { "AIF1 Capture", NULL, "AIF1TX1" },
+       { "AIF1 Capture", NULL, "AIF1TX2" },
+       { "AIF1 Capture", NULL, "AIF1TX3" },
+       { "AIF1 Capture", NULL, "AIF1TX4" },
+       { "AIF1 Capture", NULL, "AIF1TX5" },
+
+       { "AIF2 Capture", NULL, "AIF2TX0" },
+       { "AIF2 Capture", NULL, "AIF2TX1" },
+
        { "IN1L PGA", NULL, "IN2LN" },
        { "IN1L PGA", NULL, "IN2LP" },
        { "IN1L PGA", NULL, "IN1LN" },
@@ -1436,32 +1430,28 @@ static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
        { "HPOUT2L PGA", NULL, "DAC2L" },
        { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
        { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
-       { "HPOUT2L_OUTP", NULL, "HPOUT2L_DCS" },
-       { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_OUTP" },
+       { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
 
        { "HPOUT2R PGA", NULL, "Charge Pump" },
        { "HPOUT2R PGA", NULL, "Bandgap" },
        { "HPOUT2R PGA", NULL, "DAC2R" },
        { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
        { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
-       { "HPOUT2R_OUTP", NULL, "HPOUT2R_DCS" },
-       { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_OUTP" },
+       { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
 
        { "HPOUT1L PGA", NULL, "Charge Pump" },
        { "HPOUT1L PGA", NULL, "Bandgap" },
        { "HPOUT1L PGA", NULL, "DAC1L" },
        { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
        { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
-       { "HPOUT1L_OUTP", NULL, "HPOUT1L_DCS" },
-       { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_OUTP" },
+       { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
 
        { "HPOUT1R PGA", NULL, "Charge Pump" },
        { "HPOUT1R PGA", NULL, "Bandgap" },
        { "HPOUT1R PGA", NULL, "DAC1R" },
        { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
        { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
-       { "HPOUT1R_OUTP", NULL, "HPOUT1R_DCS" },
-       { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_OUTP" },
+       { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
 
        { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
        { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
@@ -1720,6 +1710,7 @@ static int wm8996_reset(struct wm8996_priv *wm8996)
 {
        if (wm8996->pdata.ldo_ena > 0) {
                gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
+               gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
                return 0;
        } else {
                return regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
@@ -2438,6 +2429,7 @@ int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
        wm8996->jack = jack;
        wm8996->detecting = true;
        wm8996->polarity_cb = polarity_cb;
+       wm8996->jack_flips = 0;
 
        if (wm8996->polarity_cb)
                wm8996->polarity_cb(codec, 0);
@@ -2553,6 +2545,19 @@ static void wm8996_hpdet_start(struct snd_soc_codec *codec)
                            WM8996_HP_POLL, WM8996_HP_POLL);
 }
 
+static void wm8996_report_headphone(struct snd_soc_codec *codec)
+{
+       dev_dbg(codec->dev, "Headphone detected\n");
+       wm8996_hpdet_start(codec);
+
+       /* Increase the detection rate a bit for responsiveness. */
+       snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
+                           WM8996_MICD_RATE_MASK |
+                           WM8996_MICD_BIAS_STARTTIME_MASK,
+                           7 << WM8996_MICD_RATE_SHIFT |
+                           7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
+}
+
 static void wm8996_micd(struct snd_soc_codec *codec)
 {
        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
@@ -2572,6 +2577,7 @@ static void wm8996_micd(struct snd_soc_codec *codec)
                dev_dbg(codec->dev, "Jack removal detected\n");
                wm8996->jack_mic = false;
                wm8996->detecting = true;
+               wm8996->jack_flips = 0;
                snd_soc_jack_report(wm8996->jack, 0,
                                    SND_JACK_LINEOUT | SND_JACK_HEADSET |
                                    SND_JACK_BTN_0);
@@ -2612,9 +2618,17 @@ static void wm8996_micd(struct snd_soc_codec *codec)
        /* If we detected a lower impedence during initial startup
         * then we probably have the wrong polarity, flip it.  Don't
         * do this for the lowest impedences to speed up detection of
-        * plain headphones.
+        * plain headphones.  If both polarities report a low
+        * impedence then give up and report headphones.
         */
        if (wm8996->detecting && (val & 0x3f0)) {
+               wm8996->jack_flips++;
+
+               if (wm8996->jack_flips > 1) {
+                       wm8996_report_headphone(codec);
+                       return;
+               }
+
                reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2);
                reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
                        WM8996_MICD_BIAS_SRC;
@@ -2641,17 +2655,7 @@ static void wm8996_micd(struct snd_soc_codec *codec)
                        snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
                                            SND_JACK_BTN_0);
                } else if (wm8996->detecting) {
-                       dev_dbg(codec->dev, "Headphone detected\n");
-                       wm8996_hpdet_start(codec);
-
-                       /* Increase the detection rate a bit for
-                        * responsiveness.
-                        */
-                       snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
-                                           WM8996_MICD_RATE_MASK |
-                                           WM8996_MICD_BIAS_STARTTIME_MASK,
-                                           7 << WM8996_MICD_RATE_SHIFT |
-                                           7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
+                       wm8996_report_headphone(codec);
                }
        }
 }
@@ -2768,7 +2772,7 @@ static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
        wm8996->retune_mobile_enum.max = wm8996->num_retune_mobile_texts;
        wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
 
-       ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls));
+       ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
        if (ret != 0)
                dev_err(codec->dev,
                        "Failed to add ReTune Mobile controls: %d\n", ret);
@@ -2791,7 +2795,6 @@ static int wm8996_probe(struct snd_soc_codec *codec)
        int ret;
        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
        struct i2c_client *i2c = to_i2c_client(codec->dev);
-       struct snd_soc_dapm_context *dapm = &codec->dapm;
        int i, irq_flags;
 
        wm8996->codec = codec;
@@ -2799,8 +2802,6 @@ static int wm8996_probe(struct snd_soc_codec *codec)
        init_completion(&wm8996->dcs_done);
        init_completion(&wm8996->fll_lock);
 
-       dapm->idle_bias_off = true;
-
        codec->control_data = wm8996->regmap;
 
        ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP);
@@ -2966,7 +2967,7 @@ static int wm8996_probe(struct snd_soc_codec *codec)
        if (wm8996->pdata.num_retune_mobile_cfgs)
                wm8996_retune_mobile_pdata(codec);
        else
-               snd_soc_add_controls(codec, wm8996_eq_controls,
+               snd_soc_add_codec_controls(codec, wm8996_eq_controls,
                                     ARRAY_SIZE(wm8996_eq_controls));
 
        /* If the TX LRCLK pins are not in LRCLK mode configure the
@@ -3038,22 +3039,16 @@ static int wm8996_remove(struct snd_soc_codec *codec)
        for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
                regulator_unregister_notifier(wm8996->supplies[i].consumer,
                                              &wm8996->disable_nb[i]);
-       regulator_put(wm8996->cpvdd);
        regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
 
        return 0;
 }
 
-static int wm8996_soc_volatile_register(struct snd_soc_codec *codec,
-                                       unsigned int reg)
-{
-       return true;
-}
-
 static struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
        .probe =        wm8996_probe,
        .remove =       wm8996_remove,
        .set_bias_level = wm8996_set_bias_level,
+       .idle_bias_off  = true,
        .seq_notifier = wm8996_seq_notifier,
        .controls = wm8996_snd_controls,
        .num_controls = ARRAY_SIZE(wm8996_snd_controls),
@@ -3062,8 +3057,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
        .dapm_routes = wm8996_dapm_routes,
        .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
        .set_pll = wm8996_set_fll,
-       .reg_cache_size = WM8996_MAX_REGISTER,
-       .volatile_register = wm8996_soc_volatile_register,
 };
 
 #define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
@@ -3087,6 +3080,7 @@ static struct snd_soc_dai_driver wm8996_dai[] = {
                        .channels_max = 6,
                        .rates = WM8996_RATES,
                        .formats = WM8996_FORMATS,
+                       .sig_bits = 24,
                },
                .capture = {
                         .stream_name = "AIF1 Capture",
@@ -3094,6 +3088,7 @@ static struct snd_soc_dai_driver wm8996_dai[] = {
                         .channels_max = 6,
                         .rates = WM8996_RATES,
                         .formats = WM8996_FORMATS,
+                        .sig_bits = 24,
                 },
                .ops = &wm8996_dai_ops,
        },
@@ -3105,6 +3100,7 @@ static struct snd_soc_dai_driver wm8996_dai[] = {
                        .channels_max = 2,
                        .rates = WM8996_RATES,
                        .formats = WM8996_FORMATS,
+                       .sig_bits = 24,
                },
                .capture = {
                         .stream_name = "AIF2 Capture",
@@ -3112,6 +3108,7 @@ static struct snd_soc_dai_driver wm8996_dai[] = {
                         .channels_max = 2,
                         .rates = WM8996_RATES,
                         .formats = WM8996_FORMATS,
+                       .sig_bits = 24,
                 },
                .ops = &wm8996_dai_ops,
        },
@@ -3149,25 +3146,18 @@ static __devinit int wm8996_i2c_probe(struct i2c_client *i2c,
        for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
                wm8996->supplies[i].supply = wm8996_supply_names[i];
 
-       ret = regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
-                                wm8996->supplies);
+       ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
+                                     wm8996->supplies);
        if (ret != 0) {
                dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
                goto err_gpio;
        }
 
-       wm8996->cpvdd = regulator_get(&i2c->dev, "CPVDD");
-       if (IS_ERR(wm8996->cpvdd)) {
-               ret = PTR_ERR(wm8996->cpvdd);
-               dev_err(&i2c->dev, "Failed to get CPVDD: %d\n", ret);
-               goto err_get;
-       }
-
        ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
                                    wm8996->supplies);
        if (ret != 0) {
                dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
-               goto err_cpvdd;
+               goto err_gpio;
        }
 
        if (wm8996->pdata.ldo_ena > 0) {
@@ -3188,7 +3178,7 @@ static __devinit int wm8996_i2c_probe(struct i2c_client *i2c,
                goto err_regmap;
        }
        if (reg != 0x8915) {
-               dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", ret);
+               dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
                ret = -EINVAL;
                goto err_regmap;
        }
@@ -3229,10 +3219,6 @@ err_enable:
        if (wm8996->pdata.ldo_ena > 0)
                gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
        regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
-err_cpvdd:
-       regulator_put(wm8996->cpvdd);
-err_get:
-       regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
 err_gpio:
        if (wm8996->pdata.ldo_ena > 0)
                gpio_free(wm8996->pdata.ldo_ena);
@@ -3247,8 +3233,6 @@ static __devexit int wm8996_i2c_remove(struct i2c_client *client)
 
        snd_soc_unregister_codec(&client->dev);
        wm8996_free_gpio(wm8996);
-       regulator_put(wm8996->cpvdd);
-       regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
        regmap_exit(wm8996->regmap);
        if (wm8996->pdata.ldo_ena > 0) {
                gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
@@ -3273,25 +3257,7 @@ static struct i2c_driver wm8996_i2c_driver = {
        .id_table = wm8996_i2c_id,
 };
 
-static int __init wm8996_modinit(void)
-{
-       int ret;
-
-       ret = i2c_add_driver(&wm8996_i2c_driver);
-       if (ret != 0) {
-               printk(KERN_ERR "Failed to register WM8996 I2C driver: %d\n",
-                      ret);
-       }
-
-       return ret;
-}
-module_init(wm8996_modinit);
-
-static void __exit wm8996_exit(void)
-{
-       i2c_del_driver(&wm8996_i2c_driver);
-}
-module_exit(wm8996_exit);
+module_i2c_driver(wm8996_i2c_driver);
 
 MODULE_DESCRIPTION("ASoC WM8996 driver");
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");