Merge branch 'for-2.6.40' into for-2.6.41

1 files changed, 14 insertions, 126 deletions

diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index d1d4059..d8ce34c 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -20,25 +20,15 @@
 
 #include <trace/events/asoc.h>
 
-#if defined(CONFIG_SPI_MASTER)
-static int do_spi_write(void *control_data, const void *msg,
-			int len)
+#ifdef CONFIG_SPI_MASTER
+static int do_spi_write(void *control, const char *data, int len)
 {
-	struct spi_device *spi = control_data;
-	struct spi_transfer t;
-	struct spi_message m;
-
-	if (len <= 0)
-		return 0;
-
-	spi_message_init(&m);
-	memset(&t, 0, sizeof t);
-
-	t.tx_buf = msg;
-	t.len = len;
+	struct spi_device *spi = control;
+	int ret;
 
-	spi_message_add_tail(&t, &m);
-	spi_sync(spi, &m);
+	ret = spi_write(spi, data, len);
+	if (ret < 0)
+		return ret;
 
 	return len;
 }
@@ -101,28 +91,12 @@ static unsigned int snd_soc_4_12_read(struct snd_soc_codec *codec,
 static int snd_soc_4_12_write(struct snd_soc_codec *codec, unsigned int reg,
 			      unsigned int value)
 {
-	u8 data[2];
-
-	data[0] = (reg << 4) | ((value >> 8) & 0x000f);
-	data[1] = value & 0x00ff;
-
-	return do_hw_write(codec, reg, value, data, 2);
-}
-
-#if defined(CONFIG_SPI_MASTER)
-static int snd_soc_4_12_spi_write(void *control_data, const char *data,
-				  int len)
-{
-	u8 msg[2];
+	u16 data;
 
-	msg[0] = data[1];
-	msg[1] = data[0];
+	data = cpu_to_be16((reg << 12) | (value & 0xffffff));
 
-	return do_spi_write(control_data, msg, len);
+	return do_hw_write(codec, reg, value, &data, 2);
 }
-#else
-#define snd_soc_4_12_spi_write NULL
-#endif
 
 static unsigned int snd_soc_7_9_read(struct snd_soc_codec *codec,
 				     unsigned int reg)
@@ -140,21 +114,6 @@ static int snd_soc_7_9_write(struct snd_soc_codec *codec, unsigned int reg,
 	return do_hw_write(codec, reg, value, &data, 2);
 }
 
-#if defined(CONFIG_SPI_MASTER)
-static int snd_soc_7_9_spi_write(void *control_data, const char *data,
-				 int len)
-{
-	u8 msg[2];
-
-	msg[0] = data[0];
-	msg[1] = data[1];
-
-	return do_spi_write(control_data, msg, len);
-}
-#else
-#define snd_soc_7_9_spi_write NULL
-#endif
-
 static int snd_soc_8_8_write(struct snd_soc_codec *codec, unsigned int reg,
 			     unsigned int value)
 {
@@ -173,21 +132,6 @@ static unsigned int snd_soc_8_8_read(struct snd_soc_codec *codec,
 	return do_hw_read(codec, reg);
 }
 
-#if defined(CONFIG_SPI_MASTER)
-static int snd_soc_8_8_spi_write(void *control_data, const char *data,
-				 int len)
-{
-	u8 msg[2];
-
-	msg[0] = data[0];
-	msg[1] = data[1];
-
-	return do_spi_write(control_data, msg, len);
-}
-#else
-#define snd_soc_8_8_spi_write NULL
-#endif
-
 static int snd_soc_8_16_write(struct snd_soc_codec *codec, unsigned int reg,
 			      unsigned int value)
 {
@@ -206,22 +150,6 @@ static unsigned int snd_soc_8_16_read(struct snd_soc_codec *codec,
 	return do_hw_read(codec, reg);
 }
 
-#if defined(CONFIG_SPI_MASTER)
-static int snd_soc_8_16_spi_write(void *control_data, const char *data,
-				  int len)
-{
-	u8 msg[3];
-
-	msg[0] = data[0];
-	msg[1] = data[1];
-	msg[2] = data[2];
-
-	return do_spi_write(control_data, msg, len);
-}
-#else
-#define snd_soc_8_16_spi_write NULL
-#endif
-
 #if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
 static unsigned int do_i2c_read(struct snd_soc_codec *codec,
 				void *reg, int reglen,
@@ -318,27 +246,10 @@ static int snd_soc_16_8_write(struct snd_soc_codec *codec, unsigned int reg,
 
 	memcpy(data, &rval, sizeof(rval));
 	data[2] = value;
-	reg &= 0xff;
 
 	return do_hw_write(codec, reg, value, data, 3);
 }
 
-#if defined(CONFIG_SPI_MASTER)
-static int snd_soc_16_8_spi_write(void *control_data, const char *data,
-				  int len)
-{
-	u8 msg[3];
-
-	msg[0] = data[0];
-	msg[1] = data[1];
-	msg[2] = data[2];
-
-	return do_spi_write(control_data, msg, len);
-}
-#else
-#define snd_soc_16_8_spi_write NULL
-#endif
-
 #if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
 static unsigned int snd_soc_16_16_read_i2c(struct snd_soc_codec *codec,
 					   unsigned int r)
@@ -373,23 +284,6 @@ static int snd_soc_16_16_write(struct snd_soc_codec *codec, unsigned int reg,
 	return do_hw_write(codec, reg, value, data, sizeof(data));
 }
 
-#if defined(CONFIG_SPI_MASTER)
-static int snd_soc_16_16_spi_write(void *control_data, const char *data,
-				   int len)
-{
-	u8 msg[4];
-
-	msg[0] = data[0];
-	msg[1] = data[1];
-	msg[2] = data[2];
-	msg[3] = data[3];
-
-	return do_spi_write(control_data, msg, len);
-}
-#else
-#define snd_soc_16_16_spi_write NULL
-#endif
-
 /* Primitive bulk write support for soc-cache.  The data pointed to by
  * `data' needs to already be in the form the hardware expects
  * including any leading register specific data.  Any data written
@@ -419,7 +313,7 @@ static int snd_soc_hw_bulk_write_raw(struct snd_soc_codec *codec, unsigned int r
 #endif
 #if defined(CONFIG_SPI_MASTER)
 	case SND_SOC_SPI:
-		ret = do_spi_write(codec->control_data, data, len);
+		ret = spi_write(codec->control_data, data, len);
 		break;
 #endif
 	default:
@@ -438,43 +332,36 @@ static struct {
 	int addr_bits;
 	int data_bits;
 	int (*write)(struct snd_soc_codec *codec, unsigned int, unsigned int);
-	int (*spi_write)(void *, const char *, int);
 	unsigned int (*read)(struct snd_soc_codec *, unsigned int);
 	unsigned int (*i2c_read)(struct snd_soc_codec *, unsigned int);
 } io_types[] = {
 	{
 		.addr_bits = 4, .data_bits = 12,
 		.write = snd_soc_4_12_write, .read = snd_soc_4_12_read,
-		.spi_write = snd_soc_4_12_spi_write,
 	},
 	{
 		.addr_bits = 7, .data_bits = 9,
 		.write = snd_soc_7_9_write, .read = snd_soc_7_9_read,
-		.spi_write = snd_soc_7_9_spi_write,
 	},
 	{
 		.addr_bits = 8, .data_bits = 8,
 		.write = snd_soc_8_8_write, .read = snd_soc_8_8_read,
 		.i2c_read = snd_soc_8_8_read_i2c,
-		.spi_write = snd_soc_8_8_spi_write,
 	},
 	{
 		.addr_bits = 8, .data_bits = 16,
 		.write = snd_soc_8_16_write, .read = snd_soc_8_16_read,
 		.i2c_read = snd_soc_8_16_read_i2c,
-		.spi_write = snd_soc_8_16_spi_write,
 	},
 	{
 		.addr_bits = 16, .data_bits = 8,
 		.write = snd_soc_16_8_write, .read = snd_soc_16_8_read,
 		.i2c_read = snd_soc_16_8_read_i2c,
-		.spi_write = snd_soc_16_8_spi_write,
 	},
 	{
 		.addr_bits = 16, .data_bits = 16,
 		.write = snd_soc_16_16_write, .read = snd_soc_16_16_read,
 		.i2c_read = snd_soc_16_16_read_i2c,
-		.spi_write = snd_soc_16_16_spi_write,
 	},
 };
 
@@ -535,8 +422,9 @@ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
 		break;
 
 	case SND_SOC_SPI:
-		if (io_types[i].spi_write)
-			codec->hw_write = io_types[i].spi_write;
+#ifdef CONFIG_SPI_MASTER
+		codec->hw_write = do_spi_write;
+#endif
 
 		codec->control_data = container_of(codec->dev,
 						   struct spi_device,