diff options
Diffstat (limited to 'sound/soc/codecs/wm8971.c')
| -rw-r--r-- | sound/soc/codecs/wm8971.c | 88 |
1 files changed, 65 insertions, 23 deletions
diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c index 5ce64775844..67aba78a7ca 100644 --- a/sound/soc/codecs/wm8971.c +++ b/sound/soc/codecs/wm8971.c @@ -19,6 +19,7 @@ #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> +#include <linux/regmap.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/pcm.h> @@ -34,7 +35,6 @@ static struct workqueue_struct *wm8971_workq = NULL; /* codec private data */ struct wm8971_priv { - enum snd_soc_control_type control_type; unsigned int sysclk; }; @@ -43,18 +43,50 @@ struct wm8971_priv { * We can't read the WM8971 register space when we * are using 2 wire for device control, so we cache them instead. */ -static const u16 wm8971_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 wm8971_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 }, }; #define wm8971_reset(c) snd_soc_write(c, WM8971_RESET, 0) @@ -613,11 +645,10 @@ static int wm8971_resume(struct snd_soc_codec *codec) static int wm8971_probe(struct snd_soc_codec *codec) { - struct wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec); int ret = 0; u16 reg; - ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8971->control_type); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP); if (ret < 0) { printk(KERN_ERR "wm8971: failed to set cache I/O: %d\n", ret); return ret; @@ -667,9 +698,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8971 = { .suspend = wm8971_suspend, .resume = wm8971_resume, .set_bias_level = wm8971_set_bias_level, - .reg_cache_size = ARRAY_SIZE(wm8971_reg), - .reg_word_size = sizeof(u16), - .reg_cache_default = wm8971_reg, .controls = wm8971_snd_controls, .num_controls = ARRAY_SIZE(wm8971_snd_controls), @@ -679,10 +707,21 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8971 = { .num_dapm_routes = ARRAY_SIZE(wm8971_dapm_routes), }; -static __devinit int wm8971_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +static const struct regmap_config wm8971_regmap = { + .reg_bits = 7, + .val_bits = 9, + .max_register = WM8971_MOUTV, + + .reg_defaults = wm8971_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm8971_reg_defaults), + .cache_type = REGCACHE_RBTREE, +}; + +static int wm8971_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) { struct wm8971_priv *wm8971; + struct regmap *regmap; int ret; wm8971 = devm_kzalloc(&i2c->dev, sizeof(struct wm8971_priv), @@ -690,7 +729,10 @@ static __devinit int wm8971_i2c_probe(struct i2c_client *i2c, if (wm8971 == NULL) return -ENOMEM; - wm8971->control_type = SND_SOC_I2C; + regmap = devm_regmap_init_i2c(i2c, &wm8971_regmap); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + i2c_set_clientdata(i2c, wm8971); ret = snd_soc_register_codec(&i2c->dev, @@ -699,7 +741,7 @@ static __devinit int wm8971_i2c_probe(struct i2c_client *i2c, return ret; } -static __devexit int wm8971_i2c_remove(struct i2c_client *client) +static int wm8971_i2c_remove(struct i2c_client *client) { snd_soc_unregister_codec(&client->dev); return 0; @@ -717,7 +759,7 @@ static struct i2c_driver wm8971_i2c_driver = { .owner = THIS_MODULE, }, .probe = wm8971_i2c_probe, - .remove = __devexit_p(wm8971_i2c_remove), + .remove = wm8971_i2c_remove, .id_table = wm8971_i2c_id, }; |