Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/codecs/wm8750.c | 86 ++++++++++++++++++++++++++++++++++----------- 1 file changed, 66 insertions(+), 20 deletions(-)

diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c index 89151ca..7665d68 100644 --- a/sound/soc/codecs/wm8750.c +++ b/sound/soc/codecs/wm8750.c @@ -18,6 +18,7 @@ #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> +#include <linux/regmap.h> #include <linux/spi/spi.h> #include <linux/slab.h> #include <linux/of_device.h> @@ -34,24 +35,55 @@ * We can't read the WM8750 register space when we * are using 2 wire for device control, so we cache them instead. */ -static const u16 wm8750_reg[] = { - 0x0097, 0x0097, 0x0079, 0x0079, /* 0 */ - 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */ - 0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */ - 0x000f, 0x000f, 0x0000, 0x0000, /* 12 */ - 0x0000, 0x007b, 0x0000, 0x0032, /* 16 */ - 0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */ - 0x0000, 0x0000, 0x0050, 0x0050, /* 32 */ - 0x0050, 0x0050, 0x0050, 0x0050, /* 36 */ - 0x0079, 0x0079, 0x0079, /* 40 */ +static const struct reg_default wm8750_reg_defaults[] = { + { 0, 0x0097 }, + { 1, 0x0097 }, + { 2, 0x0079 }, + { 3, 0x0079 }, + { 4, 0x0000 }, + { 5, 0x0008 }, + { 6, 0x0000 }, + { 7, 0x000a }, + { 8, 0x0000 }, + { 9, 0x0000 }, + { 10, 0x00ff }, + { 11, 0x00ff }, + { 12, 0x000f }, + { 13, 0x000f }, + { 14, 0x0000 }, + { 15, 0x0000 }, + { 16, 0x0000 }, + { 17, 0x007b }, + { 18, 0x0000 }, + { 19, 0x0032 }, + { 20, 0x0000 }, + { 21, 0x00c3 }, + { 22, 0x00c3 }, + { 23, 0x00c0 }, + { 24, 0x0000 }, + { 25, 0x0000 }, + { 26, 0x0000 }, + { 27, 0x0000 }, + { 28, 0x0000 }, + { 29, 0x0000 }, + { 30, 0x0000 }, + { 31, 0x0000 }, + { 32, 0x0000 }, + { 33, 0x0000 }, + { 34, 0x0050 }, + { 35, 0x0050 }, + { 36, 0x0050 }, + { 37, 0x0050 }, + { 38, 0x0050 }, + { 39, 0x0050 }, + { 40, 0x0079 }, + { 41, 0x0079 }, + { 42, 0x0079 }, };

/* codec private data */ struct wm8750_priv { unsigned int sysclk; - enum snd_soc_control_type control_type; };

#define wm8750_reset(c) snd_soc_write(c, WM8750_RESET, 0) @@ -668,10 +700,9 @@ static int wm8750_resume(struct snd_soc_codec *codec)

static int wm8750_probe(struct snd_soc_codec *codec) { - struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec); int ret;

- ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8750->control_type); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP); if (ret < 0) { printk(KERN_ERR "wm8750: failed to set cache I/O: %d\n", ret); return ret; @@ -711,9 +742,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8750 = { .suspend = wm8750_suspend, .resume = wm8750_resume, .set_bias_level = wm8750_set_bias_level, - .reg_cache_size = ARRAY_SIZE(wm8750_reg), - .reg_word_size = sizeof(u16), - .reg_cache_default = wm8750_reg,

.controls = wm8750_snd_controls, .num_controls = ARRAY_SIZE(wm8750_snd_controls), @@ -730,10 +758,21 @@ static const struct of_device_id wm8750_of_match[] = { }; MODULE_DEVICE_TABLE(of, wm8750_of_match);

+static const struct regmap_config wm8750_regmap = { + .reg_bits = 7, + .val_bits = 9, + .max_register = WM8750_MOUTV, + + .reg_defaults = wm8750_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm8750_reg_defaults), + .cache_type = REGCACHE_RBTREE, +}; + #if defined(CONFIG_SPI_MASTER) static int __devinit wm8750_spi_probe(struct spi_device *spi) { struct wm8750_priv *wm8750; + struct regmap *regmap; int ret;

wm8750 = devm_kzalloc(&spi->dev, sizeof(struct wm8750_priv), @@ -741,7 +780,10 @@ static int __devinit wm8750_spi_probe(struct spi_device *spi) if (wm8750 == NULL) return -ENOMEM;

- wm8750->control_type = SND_SOC_SPI; + regmap = devm_regmap_init_spi(spi, &wm8750_regmap); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + spi_set_drvdata(spi, wm8750);

ret = snd_soc_register_codec(&spi->dev, @@ -779,6 +821,7 @@ static __devinit int wm8750_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct wm8750_priv *wm8750; + struct regmap *regmap; int ret;

wm8750 = devm_kzalloc(&i2c->dev, sizeof(struct wm8750_priv), @@ -787,7 +830,10 @@ static __devinit int wm8750_i2c_probe(struct i2c_client *i2c, return -ENOMEM;

i2c_set_clientdata(i2c, wm8750); - wm8750->control_type = SND_SOC_I2C; + + regmap = devm_regmap_init_i2c(i2c, &wm8750_regmap); + if (IS_ERR(regmap)) + return PTR_ERR(regmap);

ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8750, &wm8750_dai, 1);