diff options
Diffstat (limited to 'sound/soc/codecs')
-rw-r--r-- | sound/soc/codecs/wm8804.c | 4 | ||||
-rw-r--r-- | sound/soc/codecs/wm8904.c | 31 | ||||
-rw-r--r-- | sound/soc/codecs/wm8960.c | 51 | ||||
-rw-r--r-- | sound/soc/codecs/wm8988.c | 4 | ||||
-rw-r--r-- | sound/soc/codecs/wm8995.c | 6 |
5 files changed, 85 insertions, 11 deletions
diff --git a/sound/soc/codecs/wm8804.c b/sound/soc/codecs/wm8804.c index 1315f7642503..b2b0e68f707e 100644 --- a/sound/soc/codecs/wm8804.c +++ b/sound/soc/codecs/wm8804.c @@ -648,7 +648,7 @@ static struct snd_soc_dai_driver wm8804_dai = { .symmetric_rates = 1 }; -static struct snd_soc_codec_driver soc_codec_dev_wm8804 = { +static const struct snd_soc_codec_driver soc_codec_dev_wm8804 = { .probe = wm8804_probe, .remove = wm8804_remove, .set_bias_level = wm8804_set_bias_level, @@ -664,7 +664,7 @@ static const struct of_device_id wm8804_of_match[] = { }; MODULE_DEVICE_TABLE(of, wm8804_of_match); -static struct regmap_config wm8804_regmap_config = { +static const struct regmap_config wm8804_regmap_config = { .reg_bits = 8, .val_bits = 8, diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c index c5eaa0198ef0..d3b3f57668cc 100644 --- a/sound/soc/codecs/wm8904.c +++ b/sound/soc/codecs/wm8904.c @@ -2105,6 +2105,24 @@ static const struct regmap_config wm8904_regmap = { .num_reg_defaults = ARRAY_SIZE(wm8904_reg_defaults), }; +#ifdef CONFIG_OF +static enum wm8904_type wm8904_data = WM8904; +static enum wm8904_type wm8912_data = WM8912; + +static const struct of_device_id wm8904_of_match[] = { + { + .compatible = "wlf,wm8904", + .data = &wm8904_data, + }, { + .compatible = "wlf,wm8912", + .data = &wm8912_data, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(of, wm8904_of_match); +#endif + static int wm8904_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -2132,7 +2150,17 @@ static int wm8904_i2c_probe(struct i2c_client *i2c, return ret; } - wm8904->devtype = id->driver_data; + if (i2c->dev.of_node) { + const struct of_device_id *match; + + match = of_match_node(wm8904_of_match, i2c->dev.of_node); + if (match == NULL) + return -EINVAL; + wm8904->devtype = *((enum wm8904_type *)match->data); + } else { + wm8904->devtype = id->driver_data; + } + i2c_set_clientdata(i2c, wm8904); wm8904->pdata = i2c->dev.platform_data; @@ -2266,6 +2294,7 @@ static struct i2c_driver wm8904_i2c_driver = { .driver = { .name = "wm8904", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(wm8904_of_match), }, .probe = wm8904_i2c_probe, .remove = wm8904_i2c_remove, diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c index a96eb497a379..cf8fecf97f2c 100644 --- a/sound/soc/codecs/wm8960.c +++ b/sound/soc/codecs/wm8960.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.h> +#include <linux/clk.h> #include <linux/i2c.h> #include <linux/slab.h> #include <sound/core.h> @@ -117,6 +118,7 @@ static bool wm8960_volatile(struct device *dev, unsigned int reg) } struct wm8960_priv { + struct clk *mclk; struct regmap *regmap; int (*set_bias_level)(struct snd_soc_codec *, enum snd_soc_bias_level level); @@ -618,14 +620,38 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); + int ret; switch (level) { case SND_SOC_BIAS_ON: break; case SND_SOC_BIAS_PREPARE: - /* Set VMID to 2x50k */ - snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80); + switch (codec->dapm.bias_level) { + case SND_SOC_BIAS_STANDBY: + if (!IS_ERR(wm8960->mclk)) { + ret = clk_prepare_enable(wm8960->mclk); + if (ret) { + dev_err(codec->dev, + "Failed to enable MCLK: %d\n", + ret); + return ret; + } + } + + /* Set VMID to 2x50k */ + snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80); + break; + + case SND_SOC_BIAS_ON: + if (!IS_ERR(wm8960->mclk)) + clk_disable_unprepare(wm8960->mclk); + break; + + default: + break; + } + break; case SND_SOC_BIAS_STANDBY: @@ -674,7 +700,7 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); - int reg; + int reg, ret; switch (level) { case SND_SOC_BIAS_ON: @@ -715,9 +741,22 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec, WM8960_VREF, WM8960_VREF); msleep(100); + + if (!IS_ERR(wm8960->mclk)) { + ret = clk_prepare_enable(wm8960->mclk); + if (ret) { + dev_err(codec->dev, + "Failed to enable MCLK: %d\n", + ret); + return ret; + } + } break; case SND_SOC_BIAS_ON: + if (!IS_ERR(wm8960->mclk)) + clk_disable_unprepare(wm8960->mclk); + /* Enable anti-pop mode */ snd_soc_update_bits(codec, WM8960_APOP1, WM8960_POBCTRL | WM8960_SOFT_ST | @@ -1002,6 +1041,12 @@ static int wm8960_i2c_probe(struct i2c_client *i2c, if (wm8960 == NULL) return -ENOMEM; + wm8960->mclk = devm_clk_get(&i2c->dev, "mclk"); + if (IS_ERR(wm8960->mclk)) { + if (PTR_ERR(wm8960->mclk) == -EPROBE_DEFER) + return -EPROBE_DEFER; + } + wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap); if (IS_ERR(wm8960->regmap)) return PTR_ERR(wm8960->regmap); diff --git a/sound/soc/codecs/wm8988.c b/sound/soc/codecs/wm8988.c index baff2cc222a6..24968aa8618a 100644 --- a/sound/soc/codecs/wm8988.c +++ b/sound/soc/codecs/wm8988.c @@ -813,7 +813,7 @@ static int wm8988_probe(struct snd_soc_codec *codec) return 0; } -static struct snd_soc_codec_driver soc_codec_dev_wm8988 = { +static const struct snd_soc_codec_driver soc_codec_dev_wm8988 = { .probe = wm8988_probe, .set_bias_level = wm8988_set_bias_level, .suspend_bias_off = true, @@ -826,7 +826,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8988 = { .num_dapm_routes = ARRAY_SIZE(wm8988_dapm_routes), }; -static struct regmap_config wm8988_regmap = { +static const struct regmap_config wm8988_regmap = { .reg_bits = 7, .val_bits = 9, diff --git a/sound/soc/codecs/wm8995.c b/sound/soc/codecs/wm8995.c index 79e1aead5131..66103c2b012e 100644 --- a/sound/soc/codecs/wm8995.c +++ b/sound/soc/codecs/wm8995.c @@ -44,7 +44,7 @@ static const char *wm8995_supply_names[WM8995_NUM_SUPPLIES] = { "MICVDD" }; -static struct reg_default wm8995_reg_defaults[] = { +static const struct reg_default wm8995_reg_defaults[] = { { 0, 0x8995 }, { 5, 0x0100 }, { 16, 0x000b }, @@ -2186,7 +2186,7 @@ static struct snd_soc_dai_driver wm8995_dai[] = { } }; -static struct snd_soc_codec_driver soc_codec_dev_wm8995 = { +static const struct snd_soc_codec_driver soc_codec_dev_wm8995 = { .probe = wm8995_probe, .remove = wm8995_remove, .set_bias_level = wm8995_set_bias_level, @@ -2200,7 +2200,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8995 = { .num_dapm_routes = ARRAY_SIZE(wm8995_intercon), }; -static struct regmap_config wm8995_regmap = { +static const struct regmap_config wm8995_regmap = { .reg_bits = 16, .val_bits = 16, |