ALSA: ASoC - Fix wrong section types
[deliverable/linux.git] / sound / soc / codecs / wm8990.c
index 63410d7b5efb3623c8e92585ac51fb9ff8737606..5b5afc14447817ede31e23807af451f4def6e989 100644 (file)
@@ -30,7 +30,6 @@
 
 #include "wm8990.h"
 
-#define AUDIO_NAME "wm8990"
 #define WM8990_VERSION "0.2"
 
 /* codec private data */
@@ -107,6 +106,7 @@ static const u16 wm8990_reg[] = {
        0x0008,     /* R60 - PLL1 */
        0x0031,     /* R61 - PLL2 */
        0x0026,     /* R62 - PLL3 */
+       0x0000,     /* R63 - Driver internal */
 };
 
 /*
@@ -127,10 +127,9 @@ static inline void wm8990_write_reg_cache(struct snd_soc_codec *codec,
        unsigned int reg, unsigned int value)
 {
        u16 *cache = codec->reg_cache;
-       BUG_ON(reg > (ARRAY_SIZE(wm8990_reg)) - 1);
 
-       /* Reset register is uncached */
-       if (reg == 0)
+       /* Reset register and reserved registers are uncached */
+       if (reg == 0 || reg > ARRAY_SIZE(wm8990_reg) - 1)
                return;
 
        cache[reg] = value;
@@ -1173,7 +1172,8 @@ static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
  * Set PCM DAI bit size and sample rate.
  */
 static int wm8990_hw_params(struct snd_pcm_substream *substream,
-       struct snd_pcm_hw_params *params)
+                           struct snd_pcm_hw_params *params,
+                           struct snd_soc_dai *dai)
 {
        struct snd_soc_pcm_runtime *rtd = substream->private_data;
        struct snd_soc_device *socdev = rtd->socdev;
@@ -1223,8 +1223,14 @@ static int wm8990_set_bias_level(struct snd_soc_codec *codec,
        switch (level) {
        case SND_SOC_BIAS_ON:
                break;
+
        case SND_SOC_BIAS_PREPARE:
+               /* VMID=2*50k */
+               val = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_1) &
+                       ~WM8990_VMID_MODE_MASK;
+               wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, val | 0x2);
                break;
+
        case SND_SOC_BIAS_STANDBY:
                if (codec->bias_level == SND_SOC_BIAS_OFF) {
                        /* Enable all output discharge bits */
@@ -1273,10 +1279,17 @@ static int wm8990_set_bias_level(struct snd_soc_codec *codec,
 
                        /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
                        wm8990_write(codec, WM8990_ANTIPOP2, WM8990_BUFIOEN);
-               } else {
-                       /* ON -> standby */
 
+                       /* Enable workaround for ADC clocking issue. */
+                       wm8990_write(codec, WM8990_EXT_ACCESS_ENA, 0x2);
+                       wm8990_write(codec, WM8990_EXT_CTL1, 0xa003);
+                       wm8990_write(codec, WM8990_EXT_ACCESS_ENA, 0);
                }
+
+               /* VMID=2*250k */
+               val = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_1) &
+                       ~WM8990_VMID_MODE_MASK;
+               wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, val | 0x4);
                break;
 
        case SND_SOC_BIAS_OFF:
@@ -1350,8 +1363,7 @@ struct snd_soc_dai wm8990_dai = {
                .rates = WM8990_RATES,
                .formats = WM8990_FORMATS,},
        .ops = {
-               .hw_params = wm8990_hw_params,},
-       .dai_ops = {
+               .hw_params = wm8990_hw_params,
                .digital_mute = wm8990_mute,
                .set_fmt = wm8990_set_dai_fmt,
                .set_clkdiv = wm8990_set_dai_clkdiv,
@@ -1450,7 +1462,7 @@ static int wm8990_init(struct snd_soc_device *socdev)
 
        wm8990_add_controls(codec);
        wm8990_add_widgets(codec);
-       ret = snd_soc_register_card(socdev);
+       ret = snd_soc_init_card(socdev);
        if (ret < 0) {
                printk(KERN_ERR "wm8990: failed to register card\n");
                goto card_err;
@@ -1631,6 +1643,18 @@ struct snd_soc_codec_device soc_codec_dev_wm8990 = {
 };
 EXPORT_SYMBOL_GPL(soc_codec_dev_wm8990);
 
+static int __init wm8990_modinit(void)
+{
+       return snd_soc_register_dai(&wm8990_dai);
+}
+module_init(wm8990_modinit);
+
+static void __exit wm8990_exit(void)
+{
+       snd_soc_unregister_dai(&wm8990_dai);
+}
+module_exit(wm8990_exit);
+
 MODULE_DESCRIPTION("ASoC WM8990 driver");
 MODULE_AUTHOR("Liam Girdwood");
 MODULE_LICENSE("GPL");
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