diff options
Diffstat (limited to 'sound/soc/codecs/wm8711.c')
| -rw-r--r-- | sound/soc/codecs/wm8711.c | 65 |
1 files changed, 45 insertions, 20 deletions
diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c index 0b76d1dca5ea..8b8bb70f1eb9 100644 --- a/sound/soc/codecs/wm8711.c +++ b/sound/soc/codecs/wm8711.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> @@ -32,7 +33,7 @@ /* codec private data */ struct wm8711_priv { - enum snd_soc_control_type bus_type; + struct regmap *regmap; unsigned int sysclk; }; @@ -42,11 +43,21 @@ struct wm8711_priv { * using 2 wire for device control, so we cache them instead. * There is no point in caching the reset register */ -static const u16 wm8711_reg[WM8711_CACHEREGNUM] = { - 0x0079, 0x0079, 0x000a, 0x0008, - 0x009f, 0x000a, 0x0000, 0x0000 +static const struct reg_default wm8711_reg_defaults[] = { + { 0, 0x0079 }, { 1, 0x0079 }, { 2, 0x000a }, { 3, 0x0008 }, + { 4, 0x009f }, { 5, 0x000a }, { 6, 0x0000 }, { 7, 0x0000 }, }; +static bool wm8711_volatile(struct device *dev, unsigned int reg) +{ + switch (reg) { + case WM8711_RESET: + return true; + default: + return false; + } +} + #define wm8711_reset(c) snd_soc_write(c, WM8711_RESET, 0) static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); @@ -289,6 +300,7 @@ static int wm8711_set_dai_fmt(struct snd_soc_dai *codec_dai, static int wm8711_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { + struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec); u16 reg = snd_soc_read(codec, WM8711_PWR) & 0xff7f; switch (level) { @@ -299,7 +311,7 @@ static int wm8711_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); + regcache_sync(wm8711->regmap); snd_soc_write(codec, WM8711_PWR, reg | 0x0040); break; @@ -353,10 +365,9 @@ static int wm8711_resume(struct snd_soc_codec *codec) static int wm8711_probe(struct snd_soc_codec *codec) { - struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec); int ret; - ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8711->bus_type); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP); if (ret < 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); return ret; @@ -391,9 +402,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8711 = { .suspend = wm8711_suspend, .resume = wm8711_resume, .set_bias_level = wm8711_set_bias_level, - .reg_cache_size = ARRAY_SIZE(wm8711_reg), - .reg_word_size = sizeof(u16), - .reg_cache_default = wm8711_reg, .controls = wm8711_snd_controls, .num_controls = ARRAY_SIZE(wm8711_snd_controls), .dapm_widgets = wm8711_dapm_widgets, @@ -408,30 +416,45 @@ static const struct of_device_id wm8711_of_match[] = { }; MODULE_DEVICE_TABLE(of, wm8711_of_match); +static const struct regmap_config wm8711_regmap = { + .reg_bits = 7, + .val_bits = 9, + .max_register = WM8711_RESET, + + .reg_defaults = wm8711_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm8711_reg_defaults), + .cache_type = REGCACHE_RBTREE, + + .volatile_reg = wm8711_volatile, +}; + #if defined(CONFIG_SPI_MASTER) static int __devinit wm8711_spi_probe(struct spi_device *spi) { struct wm8711_priv *wm8711; int ret; - wm8711 = kzalloc(sizeof(struct wm8711_priv), GFP_KERNEL); + wm8711 = devm_kzalloc(&spi->dev, sizeof(struct wm8711_priv), + GFP_KERNEL); if (wm8711 == NULL) return -ENOMEM; + wm8711->regmap = devm_regmap_init_spi(spi, &wm8711_regmap); + if (IS_ERR(wm8711->regmap)) + return PTR_ERR(wm8711->regmap); + spi_set_drvdata(spi, wm8711); - wm8711->bus_type = SND_SOC_SPI; ret = snd_soc_register_codec(&spi->dev, &soc_codec_dev_wm8711, &wm8711_dai, 1); - if (ret < 0) - kfree(wm8711); + return ret; } static int __devexit wm8711_spi_remove(struct spi_device *spi) { snd_soc_unregister_codec(&spi->dev); - kfree(spi_get_drvdata(spi)); + return 0; } @@ -453,24 +476,26 @@ static __devinit int wm8711_i2c_probe(struct i2c_client *client, struct wm8711_priv *wm8711; int ret; - wm8711 = kzalloc(sizeof(struct wm8711_priv), GFP_KERNEL); + wm8711 = devm_kzalloc(&client->dev, sizeof(struct wm8711_priv), + GFP_KERNEL); if (wm8711 == NULL) return -ENOMEM; + wm8711->regmap = devm_regmap_init_i2c(client, &wm8711_regmap); + if (IS_ERR(wm8711->regmap)) + return PTR_ERR(wm8711->regmap); + i2c_set_clientdata(client, wm8711); - wm8711->bus_type = SND_SOC_I2C; ret = snd_soc_register_codec(&client->dev, &soc_codec_dev_wm8711, &wm8711_dai, 1); - if (ret < 0) - kfree(wm8711); + return ret; } static __devexit int wm8711_i2c_remove(struct i2c_client *client) { snd_soc_unregister_codec(&client->dev); - kfree(i2c_get_clientdata(client)); return 0; } |