1 files changed, 32 insertions, 35 deletions
diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
index 8e7953b1b790..bfdc52370ad0 100644
--- a/sound/soc/codecs/wm8776.c
+++ b/sound/soc/codecs/wm8776.c
@@ -18,6 +18,7 @@
 #include <linux/delay.h>
 #include <linux/pm.h>
 #include <linux/i2c.h>
+#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/slab.h>
@@ -215,8 +216,6 @@ static int wm8776_hw_params(struct snd_pcm_substream *substream,
        int ratio_shift, master;
        int i;
-        iface = 0;
        switch (dai->driver->id) {
        case WM8776_DAI_DAC:
                iface_reg = WM8776_DACIFCTRL;
@@ -232,20 +231,23 @@ static int wm8776_hw_params(struct snd_pcm_substream *substream,
                return -EINVAL;
        }
        /* Set word length */
-        switch (params_format(params)) {
+        switch (snd_pcm_format_width(params_format(params))) {
-        case SNDRV_PCM_FORMAT_S16_LE:
+        case 16:
-                break;
+                iface = 0;
-        case SNDRV_PCM_FORMAT_S20_3LE:
+        case 20:
-                iface |= 0x10;
+                iface = 0x10;
                break;
-        case SNDRV_PCM_FORMAT_S24_LE:
+        case 24:
-                iface |= 0x20;
+                iface = 0x20;
                break;
-        case SNDRV_PCM_FORMAT_S32_LE:
+        case 32:
-                iface |= 0x30;
+                iface = 0x30;
                break;
+        default:
+                dev_err(codec->dev, "Unsupported sample size: %i\n",
+                        snd_pcm_format_width(params_format(params)));
+                return -EINVAL;
        }
        /* Only need to set MCLK/LRCLK ratio if we're master */
@@ -306,6 +308,8 @@ static int wm8776_set_bias_level(struct snd_soc_codec *codec,
                break;
        case SND_SOC_BIAS_STANDBY:
                if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+                        snd_soc_cache_sync(codec);
                        /* Disable the global powerdown; DAPM does the rest */
                        snd_soc_update_bits(codec, WM8776_PWRDOWN, 1, 0);
                }
@@ -320,11 +324,6 @@ static int wm8776_set_bias_level(struct snd_soc_codec *codec,
        return 0;
 }
-#define WM8776_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
-                      SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
-                      SNDRV_PCM_RATE_96000)
 #define WM8776_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
                        SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
@@ -349,7 +348,9 @@ static struct snd_soc_dai_driver wm8776_dai[] = {
                        .stream_name = "Playback",
                        .channels_min = 2,
                        .channels_max = 2,
-                        .rates = WM8776_RATES,
+                        .rates = SNDRV_PCM_RATE_CONTINUOUS,
+                        .rate_min = 32000,
+                        .rate_max = 192000,
                        .formats = WM8776_FORMATS,
                },
                .ops = &wm8776_dac_ops,
@@ -361,7 +362,9 @@ static struct snd_soc_dai_driver wm8776_dai[] = {
                        .stream_name = "Capture",
                        .channels_min = 2,
                        .channels_max = 2,
-                        .rates = WM8776_RATES,
+                        .rates = SNDRV_PCM_RATE_CONTINUOUS,
+                        .rate_min = 32000,
+                        .rate_max = 96000,
                        .formats = WM8776_FORMATS,
                },
                .ops = &wm8776_adc_ops,
@@ -378,21 +381,7 @@ static int wm8776_suspend(struct snd_soc_codec *codec, pm_message_t state)
 static int wm8776_resume(struct snd_soc_codec *codec)
 {
-        int i;
-        u8 data[2];
-        u16 *cache = codec->reg_cache;
-        /* Sync reg_cache with the hardware */
-        for (i = 0; i < ARRAY_SIZE(wm8776_reg); i++) {
-                if (cache[i] == wm8776_reg[i])
-                        continue;
-                data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
-                data[1] = cache[i] & 0x00ff;
-                codec->hw_write(codec->control_data, data, 2);
-        }
        wm8776_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
        return 0;
 }
 #else
@@ -452,6 +441,12 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8776 = {
        .reg_cache_default = wm8776_reg,
 };
+static const struct of_device_id wm8776_of_match[] = {
+        { .compatible = "wlf,wm8776", },
+        { }
+};
+MODULE_DEVICE_TABLE(of, wm8776_of_match);
 #if defined(CONFIG_SPI_MASTER)
 static int __devinit wm8776_spi_probe(struct spi_device *spi)
 {
@@ -481,8 +476,9 @@ static int __devexit wm8776_spi_remove(struct spi_device *spi)
 static struct spi_driver wm8776_spi_driver = {
        .driver = {
-                .name   = "wm8776-codec",
+                .name   = "wm8776",
                .owner  = THIS_MODULE,
+                .of_match_table = wm8776_of_match,
        },
        .probe          = wm8776_spi_probe,
        .remove         = __devexit_p(wm8776_spi_remove),
@@ -525,8 +521,9 @@ MODULE_DEVICE_TABLE(i2c, wm8776_i2c_id);
 static struct i2c_driver wm8776_i2c_driver = {
        .driver = {
-                .name = "wm8776-codec",
+                .name = "wm8776",
                .owner = THIS_MODULE,
+                .of_match_table = wm8776_of_match,
        },
        .probe =    wm8776_i2c_probe,
        .remove =   __devexit_p(wm8776_i2c_remove),