diff options
Diffstat (limited to 'sound/soc/codecs/wm8510.c')
| -rw-r--r-- | sound/soc/codecs/wm8510.c | 51 |
1 files changed, 21 insertions, 30 deletions
diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c index db0dced74843..9166126bd312 100644 --- a/sound/soc/codecs/wm8510.c +++ b/sound/soc/codecs/wm8510.c @@ -17,9 +17,9 @@ #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> -#include <linux/platform_device.h> #include <linux/spi/spi.h> #include <linux/slab.h> +#include <linux/of_device.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -181,7 +181,7 @@ SND_SOC_DAPM_OUTPUT("SPKOUTP"), SND_SOC_DAPM_OUTPUT("SPKOUTN"), }; -static const struct snd_soc_dapm_route audio_map[] = { +static const struct snd_soc_dapm_route wm8510_dapm_routes[] = { /* Mono output mixer */ {"Mono Mixer", "PCM Playback Switch", "DAC"}, {"Mono Mixer", "Aux Playback Switch", "Aux Input"}, @@ -213,17 +213,6 @@ static const struct snd_soc_dapm_route audio_map[] = { {"ADC", NULL, "Boost Mixer"}, }; -static int wm8510_add_widgets(struct snd_soc_codec *codec) -{ - struct snd_soc_dapm_context *dapm = &codec->dapm; - - snd_soc_dapm_new_controls(dapm, wm8510_dapm_widgets, - ARRAY_SIZE(wm8510_dapm_widgets)); - snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); - - return 0; -} - struct pll_ { unsigned int pre_div:4; /* prescale - 1 */ unsigned int n:4; @@ -479,6 +468,8 @@ static int wm8510_set_bias_level(struct snd_soc_codec *codec, power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN; if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { + snd_soc_cache_sync(codec); + /* Initial cap charge at VMID 5k */ snd_soc_write(codec, WM8510_POWER1, power1 | 0x3); mdelay(100); @@ -506,7 +497,7 @@ static int wm8510_set_bias_level(struct snd_soc_codec *codec, #define WM8510_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) -static struct snd_soc_dai_ops wm8510_dai_ops = { +static const struct snd_soc_dai_ops wm8510_dai_ops = { .hw_params = wm8510_pcm_hw_params, .digital_mute = wm8510_mute, .set_fmt = wm8510_set_dai_fmt, @@ -532,7 +523,7 @@ static struct snd_soc_dai_driver wm8510_dai = { .symmetric_rates = 1, }; -static int wm8510_suspend(struct snd_soc_codec *codec, pm_message_t state) +static int wm8510_suspend(struct snd_soc_codec *codec) { wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; @@ -540,18 +531,7 @@ static int wm8510_suspend(struct snd_soc_codec *codec, pm_message_t state) static int wm8510_resume(struct snd_soc_codec *codec) { - int i; - u8 data[2]; - u16 *cache = codec->reg_cache; - - /* Sync reg_cache with the hardware */ - for (i = 0; i < ARRAY_SIZE(wm8510_reg); i++) { - data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001); - data[1] = cache[i] & 0x00ff; - codec->hw_write(codec->control_data, data, 2); - } wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - return 0; } @@ -570,9 +550,6 @@ static int wm8510_probe(struct snd_soc_codec *codec) /* power on device */ wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - snd_soc_add_controls(codec, wm8510_snd_controls, - ARRAY_SIZE(wm8510_snd_controls)); - wm8510_add_widgets(codec); return ret; } @@ -596,6 +573,18 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8510 = { .reg_cache_size = ARRAY_SIZE(wm8510_reg), .reg_word_size = sizeof(u16), .reg_cache_default =wm8510_reg, + + .controls = wm8510_snd_controls, + .num_controls = ARRAY_SIZE(wm8510_snd_controls), + .dapm_widgets = wm8510_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm8510_dapm_widgets), + .dapm_routes = wm8510_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(wm8510_dapm_routes), +}; + +static const struct of_device_id wm8510_of_match[] = { + { .compatible = "wlf,wm8510" }, + { }, }; #if defined(CONFIG_SPI_MASTER) @@ -628,6 +617,7 @@ static struct spi_driver wm8510_spi_driver = { .driver = { .name = "wm8510", .owner = THIS_MODULE, + .of_match_table = wm8510_of_match, }, .probe = wm8510_spi_probe, .remove = __devexit_p(wm8510_spi_remove), @@ -669,8 +659,9 @@ MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id); static struct i2c_driver wm8510_i2c_driver = { .driver = { - .name = "wm8510-codec", + .name = "wm8510", .owner = THIS_MODULE, + .of_match_table = wm8510_of_match, }, .probe = wm8510_i2c_probe, .remove = __devexit_p(wm8510_i2c_remove), |