diff options
Diffstat (limited to 'sound/soc/codecs/wm8960.c')
| -rw-r--r-- | sound/soc/codecs/wm8960.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c index c2bd9ef41ebb..0a50180750e8 100644 --- a/sound/soc/codecs/wm8960.c +++ b/sound/soc/codecs/wm8960.c @@ -120,6 +120,15 @@ static bool wm8960_volatile(struct device *dev, unsigned int reg) } } +#define WM8960_NUM_SUPPLIES 5 +static const char *wm8960_supply_names[WM8960_NUM_SUPPLIES] = { + "DCVDD", + "DBVDD", + "AVDD", + "SPKVDD1", + "SPKVDD2", +}; + struct wm8960_priv { struct clk *mclk; struct regmap *regmap; @@ -137,6 +146,7 @@ struct wm8960_priv { bool is_stream_in_use[2]; struct wm8960_data pdata; ktime_t dsch_start; + struct regulator_bulk_data supplies[WM8960_NUM_SUPPLIES]; }; #define wm8960_reset(c) regmap_write(c, WM8960_RESET, 0) @@ -1417,6 +1427,7 @@ static int wm8960_i2c_probe(struct i2c_client *i2c) { struct wm8960_data *pdata = dev_get_platdata(&i2c->dev); struct wm8960_priv *wm8960; + unsigned int i; int ret; u8 val; @@ -1429,6 +1440,31 @@ static int wm8960_i2c_probe(struct i2c_client *i2c) if (IS_ERR(wm8960->mclk)) { if (PTR_ERR(wm8960->mclk) == -EPROBE_DEFER) return -EPROBE_DEFER; + } else { + ret = clk_get_rate(wm8960->mclk); + if (ret >= 0) { + wm8960->freq_in = ret; + } else { + dev_err(&i2c->dev, "Failed to read MCLK rate: %d\n", + ret); + } + } + + for (i = 0; i < ARRAY_SIZE(wm8960->supplies); i++) + wm8960->supplies[i].supply = wm8960_supply_names[i]; + + ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8960->supplies), + wm8960->supplies); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret); + return ret; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(wm8960->supplies), + wm8960->supplies); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret); + return ret; } wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap); @@ -1497,7 +1533,11 @@ static int wm8960_i2c_probe(struct i2c_client *i2c) } static void wm8960_i2c_remove(struct i2c_client *client) -{} +{ + struct wm8960_priv *wm8960 = i2c_get_clientdata(client); + + regulator_bulk_disable(ARRAY_SIZE(wm8960->supplies), wm8960->supplies); +} static const struct i2c_device_id wm8960_i2c_id[] = { { "wm8960", 0 }, |