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@ -18,6 +18,7 @@ |
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#include <linux/delay.h> |
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#include <linux/pm.h> |
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#include <linux/i2c.h> |
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#include <linux/regmap.h> |
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#include <linux/spi/spi.h> |
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#include <linux/slab.h> |
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#include <linux/of_device.h> |
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@ -34,24 +35,55 @@ |
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* We can't read the WM8750 register space when we |
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* are using 2 wire for device control, so we cache them instead. |
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*/ |
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static const u16 wm8750_reg[] = { |
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0x0097, 0x0097, 0x0079, 0x0079, /* 0 */ |
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0x0000, 0x0008, 0x0000, 0x000a, /* 4 */ |
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0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */ |
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0x000f, 0x000f, 0x0000, 0x0000, /* 12 */ |
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0x0000, 0x007b, 0x0000, 0x0032, /* 16 */ |
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0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */ |
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0x0000, 0x0000, 0x0000, 0x0000, /* 24 */ |
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0x0000, 0x0000, 0x0000, 0x0000, /* 28 */ |
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0x0000, 0x0000, 0x0050, 0x0050, /* 32 */ |
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0x0050, 0x0050, 0x0050, 0x0050, /* 36 */ |
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0x0079, 0x0079, 0x0079, /* 40 */ |
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static const struct reg_default wm8750_reg_defaults[] = { |
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{ 0, 0x0097 }, |
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{ 1, 0x0097 }, |
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{ 2, 0x0079 }, |
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{ 3, 0x0079 }, |
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{ 4, 0x0000 }, |
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{ 5, 0x0008 }, |
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{ 6, 0x0000 }, |
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{ 7, 0x000a }, |
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{ 8, 0x0000 }, |
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{ 9, 0x0000 }, |
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{ 10, 0x00ff }, |
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{ 11, 0x00ff }, |
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{ 12, 0x000f }, |
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{ 13, 0x000f }, |
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{ 14, 0x0000 }, |
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{ 15, 0x0000 }, |
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{ 16, 0x0000 }, |
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{ 17, 0x007b }, |
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{ 18, 0x0000 }, |
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{ 19, 0x0032 }, |
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{ 20, 0x0000 }, |
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{ 21, 0x00c3 }, |
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{ 22, 0x00c3 }, |
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{ 23, 0x00c0 }, |
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{ 24, 0x0000 }, |
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{ 25, 0x0000 }, |
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{ 26, 0x0000 }, |
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{ 27, 0x0000 }, |
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{ 28, 0x0000 }, |
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{ 29, 0x0000 }, |
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{ 30, 0x0000 }, |
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{ 31, 0x0000 }, |
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{ 32, 0x0000 }, |
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{ 33, 0x0000 }, |
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{ 34, 0x0050 }, |
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{ 35, 0x0050 }, |
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{ 36, 0x0050 }, |
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{ 37, 0x0050 }, |
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{ 38, 0x0050 }, |
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{ 39, 0x0050 }, |
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{ 40, 0x0079 }, |
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{ 41, 0x0079 }, |
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{ 42, 0x0079 }, |
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}; |
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/* codec private data */ |
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struct wm8750_priv { |
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unsigned int sysclk; |
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enum snd_soc_control_type control_type; |
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}; |
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#define wm8750_reset(c) snd_soc_write(c, WM8750_RESET, 0) |
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@ -668,10 +700,9 @@ static int wm8750_resume(struct snd_soc_codec *codec) |
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static int wm8750_probe(struct snd_soc_codec *codec) |
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{ |
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struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec); |
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int ret; |
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ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8750->control_type); |
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ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP); |
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if (ret < 0) { |
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printk(KERN_ERR "wm8750: failed to set cache I/O: %d\n", ret); |
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return ret; |
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@ -711,9 +742,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8750 = { |
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.suspend = wm8750_suspend, |
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.resume = wm8750_resume, |
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.set_bias_level = wm8750_set_bias_level, |
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.reg_cache_size = ARRAY_SIZE(wm8750_reg), |
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.reg_word_size = sizeof(u16), |
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.reg_cache_default = wm8750_reg, |
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.controls = wm8750_snd_controls, |
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.num_controls = ARRAY_SIZE(wm8750_snd_controls), |
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@ -730,10 +758,21 @@ static const struct of_device_id wm8750_of_match[] = { |
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}; |
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MODULE_DEVICE_TABLE(of, wm8750_of_match); |
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static const struct regmap_config wm8750_regmap = { |
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.reg_bits = 7, |
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.val_bits = 9, |
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.max_register = WM8750_MOUTV, |
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.reg_defaults = wm8750_reg_defaults, |
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.num_reg_defaults = ARRAY_SIZE(wm8750_reg_defaults), |
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.cache_type = REGCACHE_RBTREE, |
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}; |
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#if defined(CONFIG_SPI_MASTER) |
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static int __devinit wm8750_spi_probe(struct spi_device *spi) |
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{ |
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struct wm8750_priv *wm8750; |
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struct regmap *regmap; |
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int ret; |
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wm8750 = devm_kzalloc(&spi->dev, sizeof(struct wm8750_priv), |
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@ -741,7 +780,10 @@ static int __devinit wm8750_spi_probe(struct spi_device *spi) |
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if (wm8750 == NULL) |
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return -ENOMEM; |
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wm8750->control_type = SND_SOC_SPI; |
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regmap = devm_regmap_init_spi(spi, &wm8750_regmap); |
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if (IS_ERR(regmap)) |
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return PTR_ERR(regmap); |
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spi_set_drvdata(spi, wm8750); |
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ret = snd_soc_register_codec(&spi->dev, |
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@ -779,6 +821,7 @@ static __devinit int wm8750_i2c_probe(struct i2c_client *i2c, |
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const struct i2c_device_id *id) |
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{ |
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struct wm8750_priv *wm8750; |
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struct regmap *regmap; |
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int ret; |
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wm8750 = devm_kzalloc(&i2c->dev, sizeof(struct wm8750_priv), |
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@ -787,7 +830,10 @@ static __devinit int wm8750_i2c_probe(struct i2c_client *i2c, |
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return -ENOMEM; |
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i2c_set_clientdata(i2c, wm8750); |
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wm8750->control_type = SND_SOC_I2C; |
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regmap = devm_regmap_init_i2c(i2c, &wm8750_regmap); |
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if (IS_ERR(regmap)) |
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return PTR_ERR(regmap); |
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ret = snd_soc_register_codec(&i2c->dev, |
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&soc_codec_dev_wm8750, &wm8750_dai, 1); |
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