diff options
Diffstat (limited to 'sound/soc/codecs/wm8971.c')
| -rw-r--r-- | sound/soc/codecs/wm8971.c | 150 |
1 files changed, 77 insertions, 73 deletions
diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c index 4af893601f0..09b7b420022 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) @@ -252,7 +284,7 @@ static const struct snd_soc_dapm_widget wm8971_dapm_widgets[] = { SND_SOC_DAPM_INPUT("MIC"), }; -static const struct snd_soc_dapm_route audio_map[] = { +static const struct snd_soc_dapm_route wm8971_dapm_routes[] = { /* left mixer */ {"Left Mixer", "Playback Switch", "Left DAC"}, {"Left Mixer", "Left Bypass Switch", "Left Line Mux"}, @@ -329,17 +361,6 @@ static const struct snd_soc_dapm_route audio_map[] = { {"Right ADC", NULL, "Right ADC Mux"}, }; -static int wm8971_add_widgets(struct snd_soc_codec *codec) -{ - struct snd_soc_dapm_context *dapm = &codec->dapm; - - snd_soc_dapm_new_controls(dapm, wm8971_dapm_widgets, - ARRAY_SIZE(wm8971_dapm_widgets)); - snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); - - return 0; -} - struct _coeff_div { u32 mclk; u32 rate; @@ -489,8 +510,7 @@ static int wm8971_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_codec *codec = dai->codec; struct wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec); u16 iface = snd_soc_read(codec, WM8971_IFACE) & 0x1f3; u16 srate = snd_soc_read(codec, WM8971_SRATE) & 0x1c0; @@ -625,16 +645,9 @@ 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); - if (ret < 0) { - printk(KERN_ERR "wm8971: failed to set cache I/O: %d\n", ret); - return ret; - } - INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8971_work); wm8971_workq = create_workqueue("wm8971"); if (wm8971_workq == NULL) @@ -659,10 +672,6 @@ static int wm8971_probe(struct snd_soc_codec *codec) snd_soc_update_bits(codec, WM8971_LINVOL, 0x0100, 0x0100); snd_soc_update_bits(codec, WM8971_RINVOL, 0x0100, 0x0100); - snd_soc_add_controls(codec, wm8971_snd_controls, - ARRAY_SIZE(wm8971_snd_controls)); - wm8971_add_widgets(codec); - return ret; } @@ -683,36 +692,52 @@ 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), + .dapm_widgets = wm8971_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm8971_dapm_widgets), + .dapm_routes = wm8971_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(wm8971_dapm_routes), }; -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) -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 = kzalloc(sizeof(struct wm8971_priv), GFP_KERNEL); + wm8971 = devm_kzalloc(&i2c->dev, sizeof(struct wm8971_priv), + GFP_KERNEL); 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, &soc_codec_dev_wm8971, &wm8971_dai, 1); - if (ret < 0) - kfree(wm8971); + 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); - kfree(i2c_get_clientdata(client)); return 0; } @@ -728,32 +753,11 @@ 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, }; -#endif - -static int __init wm8971_modinit(void) -{ - int ret = 0; -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - ret = i2c_add_driver(&wm8971_i2c_driver); - if (ret != 0) { - printk(KERN_ERR "Failed to register WM8971 I2C driver: %d\n", - ret); - } -#endif - return ret; -} -module_init(wm8971_modinit); -static void __exit wm8971_exit(void) -{ -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - i2c_del_driver(&wm8971_i2c_driver); -#endif -} -module_exit(wm8971_exit); +module_i2c_driver(wm8971_i2c_driver); MODULE_DESCRIPTION("ASoC WM8971 driver"); MODULE_AUTHOR("Lab126"); |
