diff options
Diffstat (limited to 'sound/soc/codecs/wm2200.c')
| -rw-r--r-- | sound/soc/codecs/wm2200.c | 67 |
1 files changed, 33 insertions, 34 deletions
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c index 9679906c6b..69c9c2bd7e 100644 --- a/sound/soc/codecs/wm2200.c +++ b/sound/soc/codecs/wm2200.c @@ -14,7 +14,7 @@ #include <linux/pm.h> #include <linux/firmware.h> #include <linux/gcd.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/pm_runtime.h> #include <linux/regulator/consumer.h> @@ -79,6 +79,8 @@ struct wm2200_priv { struct snd_soc_component *component; struct wm2200_pdata pdata; struct regulator_bulk_data core_supplies[WM2200_NUM_CORE_SUPPLIES]; + struct gpio_desc *ldo_ena; + struct gpio_desc *reset; struct completion fll_lock; int fll_fout; @@ -975,9 +977,10 @@ static const struct reg_sequence wm2200_reva_patch[] = { static int wm2200_reset(struct wm2200_priv *wm2200) { - if (wm2200->pdata.reset) { - gpio_set_value_cansleep(wm2200->pdata.reset, 0); - gpio_set_value_cansleep(wm2200->pdata.reset, 1); + if (wm2200->reset) { + /* Descriptor flagged active low, so this will be inverted */ + gpiod_set_value_cansleep(wm2200->reset, 1); + gpiod_set_value_cansleep(wm2200->reset, 0); return 0; } else { @@ -2246,28 +2249,28 @@ static int wm2200_i2c_probe(struct i2c_client *i2c) return ret; } - if (wm2200->pdata.ldo_ena) { - ret = devm_gpio_request_one(&i2c->dev, wm2200->pdata.ldo_ena, - GPIOF_OUT_INIT_HIGH, - "WM2200 LDOENA"); - if (ret < 0) { - dev_err(&i2c->dev, "Failed to request LDOENA %d: %d\n", - wm2200->pdata.ldo_ena, ret); - goto err_enable; - } + wm2200->ldo_ena = devm_gpiod_get_optional(&i2c->dev, "wlf,ldo1ena", + GPIOD_OUT_HIGH); + if (IS_ERR(wm2200->ldo_ena)) { + ret = PTR_ERR(wm2200->ldo_ena); + dev_err(&i2c->dev, "Failed to request LDOENA GPIO %d\n", + ret); + goto err_enable; + } + if (wm2200->ldo_ena) { + gpiod_set_consumer_name(wm2200->ldo_ena, "WM2200 LDOENA"); msleep(2); } - if (wm2200->pdata.reset) { - ret = devm_gpio_request_one(&i2c->dev, wm2200->pdata.reset, - GPIOF_OUT_INIT_HIGH, - "WM2200 /RESET"); - if (ret < 0) { - dev_err(&i2c->dev, "Failed to request /RESET %d: %d\n", - wm2200->pdata.reset, ret); - goto err_ldo; - } + wm2200->reset = devm_gpiod_get_optional(&i2c->dev, "reset", + GPIOD_OUT_LOW); + if (IS_ERR(wm2200->reset)) { + ret = PTR_ERR(wm2200->reset); + dev_err(&i2c->dev, "Failed to request RESET GPIO %d\n", + ret); + goto err_ldo; } + gpiod_set_consumer_name(wm2200->reset, "WM2200 /RESET"); ret = regmap_read(wm2200->regmap, WM2200_SOFTWARE_RESET, ®); if (ret < 0) { @@ -2403,11 +2406,9 @@ err_pm_runtime: if (i2c->irq) free_irq(i2c->irq, wm2200); err_reset: - if (wm2200->pdata.reset) - gpio_set_value_cansleep(wm2200->pdata.reset, 0); + gpiod_set_value_cansleep(wm2200->reset, 1); err_ldo: - if (wm2200->pdata.ldo_ena) - gpio_set_value_cansleep(wm2200->pdata.ldo_ena, 0); + gpiod_set_value_cansleep(wm2200->ldo_ena, 0); err_enable: regulator_bulk_disable(ARRAY_SIZE(wm2200->core_supplies), wm2200->core_supplies); @@ -2421,10 +2422,9 @@ static void wm2200_i2c_remove(struct i2c_client *i2c) pm_runtime_disable(&i2c->dev); if (i2c->irq) free_irq(i2c->irq, wm2200); - if (wm2200->pdata.reset) - gpio_set_value_cansleep(wm2200->pdata.reset, 0); - if (wm2200->pdata.ldo_ena) - gpio_set_value_cansleep(wm2200->pdata.ldo_ena, 0); + /* Assert RESET, disable LDO */ + gpiod_set_value_cansleep(wm2200->reset, 1); + gpiod_set_value_cansleep(wm2200->ldo_ena, 0); regulator_bulk_disable(ARRAY_SIZE(wm2200->core_supplies), wm2200->core_supplies); } @@ -2436,8 +2436,7 @@ static int wm2200_runtime_suspend(struct device *dev) regcache_cache_only(wm2200->regmap, true); regcache_mark_dirty(wm2200->regmap); - if (wm2200->pdata.ldo_ena) - gpio_set_value_cansleep(wm2200->pdata.ldo_ena, 0); + gpiod_set_value_cansleep(wm2200->ldo_ena, 0); regulator_bulk_disable(ARRAY_SIZE(wm2200->core_supplies), wm2200->core_supplies); @@ -2457,8 +2456,8 @@ static int wm2200_runtime_resume(struct device *dev) return ret; } - if (wm2200->pdata.ldo_ena) { - gpio_set_value_cansleep(wm2200->pdata.ldo_ena, 1); + if (wm2200->ldo_ena) { + gpiod_set_value_cansleep(wm2200->ldo_ena, 1); msleep(2); } |