6 files changed, 231 insertions, 217 deletions

diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index 51848880504a..31e44e346dc8 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -298,30 +298,107 @@ static const struct soc_enum twl4030_handsfreer_enum =
 static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control =
 SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum);
 
-static int outmixer_event(struct snd_soc_dapm_widget *w,
+/* Left analog microphone selection */
+static const char *twl4030_analoglmic_texts[] =
+                {"Off", "Main mic", "Headset mic", "Invalid", "AUXL",
+                 "Invalid", "Invalid", "Invalid", "Carkit mic"};
+
+static const struct soc_enum twl4030_analoglmic_enum =
+        SOC_ENUM_SINGLE(TWL4030_REG_ANAMICL, 0,
+                        ARRAY_SIZE(twl4030_analoglmic_texts),
+                        twl4030_analoglmic_texts);
+
+static const struct snd_kcontrol_new twl4030_dapm_analoglmic_control =
+SOC_DAPM_ENUM("Route", twl4030_analoglmic_enum);
+
+/* Right analog microphone selection */
+static const char *twl4030_analogrmic_texts[] =
+                {"Off", "Sub mic", "Invalid", "Invalid", "AUXR"};
+
+static const struct soc_enum twl4030_analogrmic_enum =
+        SOC_ENUM_SINGLE(TWL4030_REG_ANAMICR, 0,
+                        ARRAY_SIZE(twl4030_analogrmic_texts),
+                        twl4030_analogrmic_texts);
+
+static const struct snd_kcontrol_new twl4030_dapm_analogrmic_control =
+SOC_DAPM_ENUM("Route", twl4030_analogrmic_enum);
+
+/* TX1 L/R Analog/Digital microphone selection */
+static const char *twl4030_micpathtx1_texts[] =
+                {"Analog", "Digimic0"};
+
+static const struct soc_enum twl4030_micpathtx1_enum =
+        SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 0,
+                        ARRAY_SIZE(twl4030_micpathtx1_texts),
+                        twl4030_micpathtx1_texts);
+
+static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control =
+SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum);
+
+/* TX2 L/R Analog/Digital microphone selection */
+static const char *twl4030_micpathtx2_texts[] =
+                {"Analog", "Digimic1"};
+
+static const struct soc_enum twl4030_micpathtx2_enum =
+        SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 2,
+                        ARRAY_SIZE(twl4030_micpathtx2_texts),
+                        twl4030_micpathtx2_texts);
+
+static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control =
+SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum);
+
+/*
+ * This function filters out the non valid mux settings, named as "Invalid"
+ * in the enum texts.
+ * Just refuse to set an invalid mux mode.
+ */
+static int twl4030_enum_event(struct snd_soc_dapm_widget *w,
         struct snd_kcontrol *kcontrol, int event)
 {
         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
         int ret = 0;
         int val;
 
-        switch (e->reg) {
-        case TWL4030_REG_PREDL_CTL:
-        case TWL4030_REG_PREDR_CTL:
-        case TWL4030_REG_EAR_CTL:
-                val = w->value >> e->shift_l;
-                if (val == 3) {
-                        printk(KERN_WARNING
-                        "Invalid MUX setting for register 0x%02x (%d)\n",
-                              e->reg, val);
-                        ret = -1;
-                }
-                break;
+        val = w->value >> e->shift_l;
+        if (!strcmp("Invalid", e->texts[val])) {
+                printk(KERN_WARNING "Invalid MUX setting on 0x%02x (%d)\n",
+                        e->reg, val);
+                ret = -1;
         }
 
         return ret;
 }
 
+static int micpath_event(struct snd_soc_dapm_widget *w,
+        struct snd_kcontrol *kcontrol, int event)
+{
+        struct soc_enum *e = (struct soc_enum *)w->kcontrols->private_value;
+        unsigned char adcmicsel, micbias_ctl;
+
+        adcmicsel = twl4030_read_reg_cache(w->codec, TWL4030_REG_ADCMICSEL);
+        micbias_ctl = twl4030_read_reg_cache(w->codec, TWL4030_REG_MICBIAS_CTL);
+        /* Prepare the bits for the given TX path:
+         * shift_l == 0: TX1 microphone path
+         * shift_l == 2: TX2 microphone path */
+        if (e->shift_l) {
+                /* TX2 microphone path */
+                if (adcmicsel & TWL4030_TX2IN_SEL)
+                        micbias_ctl |= TWL4030_MICBIAS2_CTL; /* digimic */
+                else
+                        micbias_ctl &= ~TWL4030_MICBIAS2_CTL;
+        } else {
+                /* TX1 microphone path */
+                if (adcmicsel & TWL4030_TX1IN_SEL)
+                        micbias_ctl |= TWL4030_MICBIAS1_CTL; /* digimic */
+                else
+                        micbias_ctl &= ~TWL4030_MICBIAS1_CTL;
+        }
+
+        twl4030_write(w->codec, TWL4030_REG_MICBIAS_CTL, micbias_ctl);
+
+        return 0;
+}
+
 static int handsfree_event(struct snd_soc_dapm_widget *w,
                 struct snd_kcontrol *kcontrol, int event)
 {
@@ -503,162 +580,6 @@ static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
         return err;
 }
 
-static int twl4030_get_left_input(struct snd_kcontrol *kcontrol,
-        struct snd_ctl_elem_value *ucontrol)
-{
-        struct snd_soc_codec *codec = kcontrol->private_data;
-        u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL);
-        int result = 0;
-
-        /* one bit must be set a time */
-        reg &= TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN
-                        | TWL4030_MAINMIC_EN;
-        if (reg != 0) {
-                result++;
-                while ((reg & 1) == 0) {
-                        result++;
-                        reg >>= 1;
-                }
-        }
-
-        ucontrol->value.integer.value[0] = result;
-        return 0;
-}
-
-static int twl4030_put_left_input(struct snd_kcontrol *kcontrol,
-        struct snd_ctl_elem_value *ucontrol)
-{
-        struct snd_soc_codec *codec = kcontrol->private_data;
-        int value = ucontrol->value.integer.value[0];
-        u8 anamicl, micbias, avadc_ctl;
-
-        anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL);
-        anamicl &= ~(TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN
-                        | TWL4030_MAINMIC_EN);
-        micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL);
-        micbias &= ~(TWL4030_HSMICBIAS_EN | TWL4030_MICBIAS1_EN);
-        avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL);
-
-        switch (value) {
-        case 1:
-                anamicl |= TWL4030_MAINMIC_EN;
-                micbias |= TWL4030_MICBIAS1_EN;
-                break;
-        case 2:
-                anamicl |= TWL4030_HSMIC_EN;
-                micbias |= TWL4030_HSMICBIAS_EN;
-                break;
-        case 3:
-                anamicl |= TWL4030_AUXL_EN;
-                break;
-        case 4:
-                anamicl |= TWL4030_CKMIC_EN;
-                break;
-        default:
-                break;
-        }
-
-        /* If some input is selected, enable amp and ADC */
-        if (value != 0) {
-                anamicl |= TWL4030_MICAMPL_EN;
-                avadc_ctl |= TWL4030_ADCL_EN;
-        } else {
-                anamicl &= ~TWL4030_MICAMPL_EN;
-                avadc_ctl &= ~TWL4030_ADCL_EN;
-        }
-
-        twl4030_write(codec, TWL4030_REG_ANAMICL, anamicl);
-        twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias);
-        twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl);
-
-        return 1;
-}
-
-static int twl4030_get_right_input(struct snd_kcontrol *kcontrol,
-        struct snd_ctl_elem_value *ucontrol)
-{
-        struct snd_soc_codec *codec = kcontrol->private_data;
-        u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR);
-        int value = 0;
-
-        reg &= TWL4030_SUBMIC_EN|TWL4030_AUXR_EN;
-        switch (reg) {
-        case TWL4030_SUBMIC_EN:
-                value = 1;
-                break;
-        case TWL4030_AUXR_EN:
-                value = 2;
-                break;
-        default:
-                break;
-        }
-
-        ucontrol->value.integer.value[0] = value;
-        return 0;
-}
-
-static int twl4030_put_right_input(struct snd_kcontrol *kcontrol,
-        struct snd_ctl_elem_value *ucontrol)
-{
-        struct snd_soc_codec *codec = kcontrol->private_data;
-        int value = ucontrol->value.integer.value[0];
-        u8 anamicr, micbias, avadc_ctl;
-
-        anamicr = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR);
-        anamicr &= ~(TWL4030_SUBMIC_EN|TWL4030_AUXR_EN);
-        micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL);
-        micbias &= ~TWL4030_MICBIAS2_EN;
-        avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL);
-
-        switch (value) {
-        case 1:
-                anamicr |= TWL4030_SUBMIC_EN;
-                micbias |= TWL4030_MICBIAS2_EN;
-                break;
-        case 2:
-                anamicr |= TWL4030_AUXR_EN;
-                break;
-        default:
-                break;
-        }
-
-        if (value != 0) {
-                anamicr |= TWL4030_MICAMPR_EN;
-                avadc_ctl |= TWL4030_ADCR_EN;
-        } else {
-                anamicr &= ~TWL4030_MICAMPR_EN;
-                avadc_ctl &= ~TWL4030_ADCR_EN;
-        }
-
-        twl4030_write(codec, TWL4030_REG_ANAMICR, anamicr);
-        twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias);
-        twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl);
-
-        return 1;
-}
-
-static const char *twl4030_left_in_sel[] = {
-        "None",
-        "Main Mic",
-        "Headset Mic",
-        "Line In",
-        "Carkit Mic",
-};
-
-static const char *twl4030_right_in_sel[] = {
-        "None",
-        "Sub Mic",
-        "Line In",
-};
-
-static const struct soc_enum twl4030_left_input_mux =
-        SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_left_in_sel),
-                twl4030_left_in_sel);
-
-static const struct soc_enum twl4030_right_input_mux =
-        SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_right_in_sel),
-                twl4030_right_in_sel);
-
 /*
  * FGAIN volume control:
  * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB)
@@ -741,18 +662,15 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = {
                 TWL4030_REG_EAR_CTL, 4, 3, 0, output_tvl),
 
         /* Common capture gain controls */
-        SOC_DOUBLE_R_TLV("Capture Volume",
+        SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume",
                 TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,
                 0, 0x1f, 0, digital_capture_tlv),
+        SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume",
+                TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA,
+                0, 0x1f, 0, digital_capture_tlv),
 
-        SOC_DOUBLE_TLV("Input Boost Volume", TWL4030_REG_ANAMIC_GAIN,
+        SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN,
                 0, 3, 5, 0, input_gain_tlv),
-
-        /* Input source controls */
-        SOC_ENUM_EXT("Left Input Source", twl4030_left_input_mux,
-                twl4030_get_left_input, twl4030_put_left_input),
-        SOC_ENUM_EXT("Right Input Source", twl4030_right_input_mux,
-                twl4030_get_right_input, twl4030_put_right_input),
 };
 
 /* add non dapm controls */
@@ -772,9 +690,19 @@ static int twl4030_add_controls(struct snd_soc_codec *codec)
 }
 
 static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
-        SND_SOC_DAPM_INPUT("INL"),
-        SND_SOC_DAPM_INPUT("INR"),
-
+        /* Left channel inputs */
+        SND_SOC_DAPM_INPUT("MAINMIC"),
+        SND_SOC_DAPM_INPUT("HSMIC"),
+        SND_SOC_DAPM_INPUT("AUXL"),
+        SND_SOC_DAPM_INPUT("CARKITMIC"),
+        /* Right channel inputs */
+        SND_SOC_DAPM_INPUT("SUBMIC"),
+        SND_SOC_DAPM_INPUT("AUXR"),
+        /* Digital microphones (Stereo) */
+        SND_SOC_DAPM_INPUT("DIGIMIC0"),
+        SND_SOC_DAPM_INPUT("DIGIMIC1"),
+
+        /* Outputs */
         SND_SOC_DAPM_OUTPUT("OUTL"),
         SND_SOC_DAPM_OUTPUT("OUTR"),
         SND_SOC_DAPM_OUTPUT("EARPIECE"),
@@ -810,14 +738,14 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
         /* Output MUX controls */
         /* Earpiece */
         SND_SOC_DAPM_MUX_E("Earpiece Mux", SND_SOC_NOPM, 0, 0,
-                &twl4030_dapm_earpiece_control, outmixer_event,
+                &twl4030_dapm_earpiece_control, twl4030_enum_event,
                 SND_SOC_DAPM_PRE_REG),
         /* PreDrivL/R */
         SND_SOC_DAPM_MUX_E("PredriveL Mux", SND_SOC_NOPM, 0, 0,
-                &twl4030_dapm_predrivel_control, outmixer_event,
+                &twl4030_dapm_predrivel_control, twl4030_enum_event,
                 SND_SOC_DAPM_PRE_REG),
         SND_SOC_DAPM_MUX_E("PredriveR Mux", SND_SOC_NOPM, 0, 0,
-                &twl4030_dapm_predriver_control, outmixer_event,
+                &twl4030_dapm_predriver_control, twl4030_enum_event,
                 SND_SOC_DAPM_PRE_REG),
         /* HeadsetL/R */
         SND_SOC_DAPM_MUX("HeadsetL Mux", SND_SOC_NOPM, 0, 0,
@@ -837,8 +765,50 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
                 &twl4030_dapm_handsfreer_control, handsfree_event,
                 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
 
-        SND_SOC_DAPM_ADC("ADCL", "Left Capture", SND_SOC_NOPM, 0, 0),
-        SND_SOC_DAPM_ADC("ADCR", "Right Capture", SND_SOC_NOPM, 0, 0),
+        /* Introducing four virtual ADC, since TWL4030 have four channel for
+           capture */
+        SND_SOC_DAPM_ADC("ADC Virtual Left1", "Left Front Capture",
+                SND_SOC_NOPM, 0, 0),
+        SND_SOC_DAPM_ADC("ADC Virtual Right1", "Right Front Capture",
+                SND_SOC_NOPM, 0, 0),
+        SND_SOC_DAPM_ADC("ADC Virtual Left2", "Left Rear Capture",
+                SND_SOC_NOPM, 0, 0),
+        SND_SOC_DAPM_ADC("ADC Virtual Right2", "Right Rear Capture",
+                SND_SOC_NOPM, 0, 0),
+
+        /* Analog/Digital mic path selection.
+           TX1 Left/Right: either analog Left/Right or Digimic0
+           TX2 Left/Right: either analog Left/Right or Digimic1 */
+        SND_SOC_DAPM_MUX_E("TX1 Capture Route", SND_SOC_NOPM, 0, 0,
+                &twl4030_dapm_micpathtx1_control, micpath_event,
+                SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD|
+                SND_SOC_DAPM_POST_REG),
+        SND_SOC_DAPM_MUX_E("TX2 Capture Route", SND_SOC_NOPM, 0, 0,
+                &twl4030_dapm_micpathtx2_control, micpath_event,
+                SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD|
+                SND_SOC_DAPM_POST_REG),
+
+        /* Analog input muxes with power switch for the physical ADCL/R */
+        SND_SOC_DAPM_MUX_E("Analog Left Capture Route",
+                TWL4030_REG_AVADC_CTL, 3, 0, &twl4030_dapm_analoglmic_control,
+                twl4030_enum_event, SND_SOC_DAPM_PRE_REG),
+        SND_SOC_DAPM_MUX_E("Analog Right Capture Route",
+                TWL4030_REG_AVADC_CTL, 1, 0, &twl4030_dapm_analogrmic_control,
+                twl4030_enum_event, SND_SOC_DAPM_PRE_REG),
+
+        SND_SOC_DAPM_PGA("Analog Left Amplifier",
+                TWL4030_REG_ANAMICL, 4, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("Analog Right Amplifier",
+                TWL4030_REG_ANAMICR, 4, 0, NULL, 0),
+
+        SND_SOC_DAPM_PGA("Digimic0 Enable",
+                TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("Digimic1 Enable",
+                TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0),
+
+        SND_SOC_DAPM_MICBIAS("Mic Bias 1", TWL4030_REG_MICBIAS_CTL, 0, 0),
+        SND_SOC_DAPM_MICBIAS("Mic Bias 2", TWL4030_REG_MICBIAS_CTL, 1, 0),
+        SND_SOC_DAPM_MICBIAS("Headset Mic Bias", TWL4030_REG_MICBIAS_CTL, 2, 0),
 };
 
 static const struct snd_soc_dapm_route intercon[] = {
@@ -894,9 +864,39 @@ static const struct snd_soc_dapm_route intercon[] = {
         {"HFL", NULL, "HandsfreeL Mux"},
         {"HFR", NULL, "HandsfreeR Mux"},
 
-        /* inputs */
-        {"ADCL", NULL, "INL"},
-        {"ADCR", NULL, "INR"},
+        /* Capture path */
+        {"Analog Left Capture Route", "Main mic", "MAINMIC"},
+        {"Analog Left Capture Route", "Headset mic", "HSMIC"},
+        {"Analog Left Capture Route", "AUXL", "AUXL"},
+        {"Analog Left Capture Route", "Carkit mic", "CARKITMIC"},
+
+        {"Analog Right Capture Route", "Sub mic", "SUBMIC"},
+        {"Analog Right Capture Route", "AUXR", "AUXR"},
+
+        {"Analog Left Amplifier", NULL, "Analog Left Capture Route"},
+        {"Analog Right Amplifier", NULL, "Analog Right Capture Route"},
+
+        {"Digimic0 Enable", NULL, "DIGIMIC0"},
+        {"Digimic1 Enable", NULL, "DIGIMIC1"},
+
+        /* TX1 Left capture path */
+        {"TX1 Capture Route", "Analog", "Analog Left Amplifier"},
+        {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
+        /* TX1 Right capture path */
+        {"TX1 Capture Route", "Analog", "Analog Right Amplifier"},
+        {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
+        /* TX2 Left capture path */
+        {"TX2 Capture Route", "Analog", "Analog Left Amplifier"},
+        {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
+        /* TX2 Right capture path */
+        {"TX2 Capture Route", "Analog", "Analog Right Amplifier"},
+        {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
+
+        {"ADC Virtual Left1", NULL, "TX1 Capture Route"},
+        {"ADC Virtual Right1", NULL, "TX1 Capture Route"},
+        {"ADC Virtual Left2", NULL, "TX2 Capture Route"},
+        {"ADC Virtual Right2", NULL, "TX2 Capture Route"},
+
 };
 
 static int twl4030_add_widgets(struct snd_soc_codec *codec)
@@ -923,6 +923,7 @@ static void twl4030_power_up(struct snd_soc_codec *codec)
         twl4030_write(codec, TWL4030_REG_ANAMICL,
                 anamicl | TWL4030_CNCL_OFFSET_START);
 
+
         /* wait for offset cancellation to complete */
         do {
                 /* this takes a little while, so don't slam i2c */
diff --git a/sound/soc/codecs/twl4030.h b/sound/soc/codecs/twl4030.h
index 54615c76802b..442e5a828617 100644
--- a/sound/soc/codecs/twl4030.h
+++ b/sound/soc/codecs/twl4030.h
@@ -147,6 +147,13 @@
 #define TWL4030_AVADC_CLK_PRIORITY      0x04
 #define TWL4030_ADCR_EN                 0x02
 
+/* TWL4030_REG_ADCMICSEL (0x08) Fields */
+
+#define TWL4030_DIGMIC1_EN              0x08
+#define TWL4030_TX2IN_SEL               0x04
+#define TWL4030_DIGMIC0_EN              0x02
+#define TWL4030_TX1IN_SEL               0x01
+
 /* AUDIO_IF (0x0E) Fields */
 
 #define TWL4030_AIF_SLAVE_EN            0x80
diff --git a/sound/soc/davinci/davinci-sffsdr.c b/sound/soc/davinci/davinci-sffsdr.c
index f67579d52765..4935d1bcbd8d 100644
--- a/sound/soc/davinci/davinci-sffsdr.c
+++ b/sound/soc/davinci/davinci-sffsdr.c
@@ -24,6 +24,7 @@
 #include <sound/soc-dapm.h>
 
 #include <asm/dma.h>
+#include <asm/mach-types.h>
 #include <asm/plat-sffsdr/sffsdr-fpga.h>
 
 #include <mach/mcbsp.h>
@@ -115,6 +116,9 @@ static int __init sffsdr_init(void)
 {
         int ret;
 
+        if (!machine_is_sffsdr())
+                return -EINVAL;
+
         sffsdr_snd_device = platform_device_alloc("soc-audio", 0);
         if (!sffsdr_snd_device) {
                 printk(KERN_ERR "platform device allocation failed\n");
diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c
index c670d08e7c9e..53b9fb127a6d 100644
--- a/sound/soc/pxa/pxa2xx-pcm.c
+++ b/sound/soc/pxa/pxa2xx-pcm.c
@@ -61,9 +61,9 @@ static int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
 
         __pxa2xx_pcm_hw_free(substream);
 
-        if (prtd->dma_ch) {
+        if (prtd->dma_ch >= 0) {
                 pxa_free_dma(prtd->dma_ch);
-                prtd->dma_ch = 0;
+                prtd->dma_ch = -1;
         }
 
         return 0;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b098c0b4c584..f73c1341437c 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1300,6 +1300,8 @@ EXPORT_SYMBOL_GPL(snd_soc_test_bits);
 /**
  * snd_soc_new_pcms - create new sound card and pcms
  * @socdev: the SoC audio device
+ * @idx: ALSA card index
+ * @xid: card identification
  *
  * Create a new sound card based upon the codec and interface pcms.
  *
@@ -1472,7 +1474,7 @@ EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams);
  * snd_soc_cnew - create new control
  * @_template: control template
  * @data: control private data
- * @lnng_name: control long name
+ * @long_name: control long name
  *
  * Create a new mixer control from a template control.
  *
@@ -1522,7 +1524,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);
 /**
  * snd_soc_get_enum_double - enumerated double mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a double enumerated mixer.
  *
@@ -1551,7 +1553,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_enum_double);
 /**
  * snd_soc_put_enum_double - enumerated double mixer put callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a double enumerated mixer.
  *
@@ -1668,7 +1670,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
 /**
  * snd_soc_get_volsw - single mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a single mixer control.
  *
@@ -1707,7 +1709,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
 /**
  * snd_soc_put_volsw - single mixer put callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a single mixer control.
  *
@@ -1775,7 +1777,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r);
 /**
  * snd_soc_get_volsw_2r - double mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a double mixer control that spans 2 registers.
  *
@@ -1812,7 +1814,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r);
 /**
  * snd_soc_put_volsw_2r - double mixer set callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a double mixer control that spans 2 registers.
  *
@@ -1882,7 +1884,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8);
 /**
  * snd_soc_get_volsw_s8 - signed mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a signed mixer control.
  *
@@ -1909,7 +1911,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8);
 /**
  * snd_soc_put_volsw_sgn - signed mixer put callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a signed mixer control.
  *
@@ -1954,7 +1956,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
 /**
  * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
  * @dai: DAI
- * @clk_id: DAI specific clock divider ID
+ * @div_id: DAI specific clock divider ID
  * @div: new clock divisor.
  *
  * Configures the clock dividers. This is used to derive the best DAI bit and
@@ -2060,7 +2062,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
 /**
  * snd_soc_register_card - Register a card with the ASoC core
  *
- * @param card Card to register
+ * @card: Card to register
  *
  * Note that currently this is an internal only function: it will be
  * exposed to machine drivers after further backporting of ASoC v2
@@ -2087,7 +2089,7 @@ static int snd_soc_register_card(struct snd_soc_card *card)
 /**
  * snd_soc_unregister_card - Unregister a card with the ASoC core
  *
- * @param card Card to unregister
+ * @card: Card to unregister
  *
  * Note that currently this is an internal only function: it will be
  * exposed to machine drivers after further backporting of ASoC v2
@@ -2107,7 +2109,7 @@ static int snd_soc_unregister_card(struct snd_soc_card *card)
 /**
  * snd_soc_register_dai - Register a DAI with the ASoC core
  *
- * @param dai DAI to register
+ * @dai: DAI to register
  */
 int snd_soc_register_dai(struct snd_soc_dai *dai)
 {
@@ -2134,7 +2136,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dai);
 /**
  * snd_soc_unregister_dai - Unregister a DAI from the ASoC core
  *
- * @param dai DAI to unregister
+ * @dai: DAI to unregister
  */
 void snd_soc_unregister_dai(struct snd_soc_dai *dai)
 {
@@ -2149,8 +2151,8 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dai);
 /**
  * snd_soc_register_dais - Register multiple DAIs with the ASoC core
  *
- * @param dai Array of DAIs to register
- * @param count Number of DAIs
+ * @dai: Array of DAIs to register
+ * @count: Number of DAIs
  */
 int snd_soc_register_dais(struct snd_soc_dai *dai, size_t count)
 {
@@ -2175,8 +2177,8 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dais);
 /**
  * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core
  *
- * @param dai Array of DAIs to unregister
- * @param count Number of DAIs
+ * @dai: Array of DAIs to unregister
+ * @count: Number of DAIs
  */
 void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count)
 {
@@ -2190,7 +2192,7 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dais);
 /**
  * snd_soc_register_platform - Register a platform with the ASoC core
  *
- * @param platform platform to register
+ * @platform: platform to register
  */
 int snd_soc_register_platform(struct snd_soc_platform *platform)
 {
@@ -2213,7 +2215,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_platform);
 /**
  * snd_soc_unregister_platform - Unregister a platform from the ASoC core
  *
- * @param platform platform to unregister
+ * @platform: platform to unregister
  */
 void snd_soc_unregister_platform(struct snd_soc_platform *platform)
 {
@@ -2228,7 +2230,7 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
 /**
  * snd_soc_register_codec - Register a codec with the ASoC core
  *
- * @param codec codec to register
+ * @codec: codec to register
  */
 int snd_soc_register_codec(struct snd_soc_codec *codec)
 {
@@ -2255,7 +2257,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_codec);
 /**
  * snd_soc_unregister_codec - Unregister a codec from the ASoC core
  *
- * @param codec codec to unregister
+ * @codec: codec to unregister
  */
 void snd_soc_unregister_codec(struct snd_soc_codec *codec)
 {
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 8863eddbac02..6c79ca6df0bf 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1077,7 +1077,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
 /**
  * snd_soc_dapm_get_volsw - dapm mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a dapm mixer control.
  *
@@ -1122,7 +1122,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw);
 /**
  * snd_soc_dapm_put_volsw - dapm mixer set callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a dapm mixer control.
  *
@@ -1193,7 +1193,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
 /**
  * snd_soc_dapm_get_enum_double - dapm enumerated double mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a dapm enumerated double mixer control.
  *
@@ -1221,7 +1221,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
 /**
  * snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a dapm enumerated double mixer control.
  *
@@ -1419,7 +1419,7 @@ int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev,
 
 /**
  * snd_soc_dapm_enable_pin - enable pin.
- * @snd_soc_codec: SoC codec
+ * @codec: SoC codec
  * @pin: pin name
  *
  * Enables input/output pin and it's parents or children widgets iff there is