X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=sound%2Fsoc%2Fcodecs%2Fwm8750.c;h=ca75a818070804610d0b7c0d10554e48cbf2f1bd;hb=044595d4e448305fbaec472eb7d22636d24e7d8c;hp=d0003cc3bcd66cf16336bec69cc0f75b4de97a56;hpb=41ebe9cde738a972d05c7282e09f5ed54cff0e8d;p=~andy%2Flinux

diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c
index d0003cc3bcd..ca75a818070 100644
--- a/sound/soc/codecs/wm8750.c
+++ b/sound/soc/codecs/wm8750.c
@@ -21,6 +21,7 @@
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/slab.h>
+#include <linux/of_device.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -615,6 +616,8 @@ static int wm8750_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);
+
 			/* Set VMID to 5k */
 			snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x01c1);
 
@@ -672,28 +675,14 @@ static int wm8750_suspend(struct snd_soc_codec *codec, pm_message_t state)
 
 static int wm8750_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(wm8750_reg); i++) {
-		if (i == WM8750_RESET)
-			continue;
-		data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
-		data[1] = cache[i] & 0x00ff;
-		codec->hw_write(codec->control_data, data, 2);
-	}
-
 	wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
 	return 0;
 }
 
 static int wm8750_probe(struct snd_soc_codec *codec)
 {
 	struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
-	int reg, ret;
+	int ret;
 
 	ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8750->control_type);
 	if (ret < 0) {
@@ -711,22 +700,14 @@ static int wm8750_probe(struct snd_soc_codec *codec)
 	wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
 	/* set the update bits */
-	reg = snd_soc_read(codec, WM8750_LDAC);
-	snd_soc_write(codec, WM8750_LDAC, reg | 0x0100);
-	reg = snd_soc_read(codec, WM8750_RDAC);
-	snd_soc_write(codec, WM8750_RDAC, reg | 0x0100);
-	reg = snd_soc_read(codec, WM8750_LOUT1V);
-	snd_soc_write(codec, WM8750_LOUT1V, reg | 0x0100);
-	reg = snd_soc_read(codec, WM8750_ROUT1V);
-	snd_soc_write(codec, WM8750_ROUT1V, reg | 0x0100);
-	reg = snd_soc_read(codec, WM8750_LOUT2V);
-	snd_soc_write(codec, WM8750_LOUT2V, reg | 0x0100);
-	reg = snd_soc_read(codec, WM8750_ROUT2V);
-	snd_soc_write(codec, WM8750_ROUT2V, reg | 0x0100);
-	reg = snd_soc_read(codec, WM8750_LINVOL);
-	snd_soc_write(codec, WM8750_LINVOL, reg | 0x0100);
-	reg = snd_soc_read(codec, WM8750_RINVOL);
-	snd_soc_write(codec, WM8750_RINVOL, reg | 0x0100);
+	snd_soc_update_bits(codec, WM8750_LDAC, 0x0100, 0x0100);
+	snd_soc_update_bits(codec, WM8750_RDAC, 0x0100, 0x0100);
+	snd_soc_update_bits(codec, WM8750_LOUT1V, 0x0100, 0x0100);
+	snd_soc_update_bits(codec, WM8750_ROUT1V, 0x0100, 0x0100);
+	snd_soc_update_bits(codec, WM8750_LOUT2V, 0x0100, 0x0100);
+	snd_soc_update_bits(codec, WM8750_ROUT2V, 0x0100, 0x0100);
+	snd_soc_update_bits(codec, WM8750_LINVOL, 0x0100, 0x0100);
+	snd_soc_update_bits(codec, WM8750_RINVOL, 0x0100, 0x0100);
 
 	snd_soc_add_controls(codec, wm8750_snd_controls,
 				ARRAY_SIZE(wm8750_snd_controls));
@@ -751,6 +732,13 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8750 = {
 	.reg_cache_default = wm8750_reg,
 };
 
+static const struct of_device_id wm8750_of_match[] = {
+	{ .compatible = "wlf,wm8750", },
+	{ .compatible = "wlf,wm8987", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, wm8750_of_match);
+
 #if defined(CONFIG_SPI_MASTER)
 static int __devinit wm8750_spi_probe(struct spi_device *spi)
 {
@@ -787,8 +775,9 @@ MODULE_DEVICE_TABLE(spi, wm8750_spi_ids);
 
 static struct spi_driver wm8750_spi_driver = {
 	.driver = {
-		.name	= "wm8750-codec",
+		.name	= "wm8750",
 		.owner	= THIS_MODULE,
+		.of_match_table = wm8750_of_match,
 	},
 	.id_table	= wm8750_spi_ids,
 	.probe		= wm8750_spi_probe,
@@ -833,8 +822,9 @@ MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id);
 
 static struct i2c_driver wm8750_i2c_driver = {
 	.driver = {
-		.name = "wm8750-codec",
+		.name = "wm8750",
 		.owner = THIS_MODULE,
+		.of_match_table = wm8750_of_match,
 	},
 	.probe =    wm8750_i2c_probe,
 	.remove =   __devexit_p(wm8750_i2c_remove),