summaryrefslogtreecommitdiff
path: root/sound/soc/codecs/wm2200.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/wm2200.c')
-rw-r--r--sound/soc/codecs/wm2200.c67
1 files changed, 33 insertions, 34 deletions
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index 9679906c6bd5..69c9c2bd7e7b 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, &reg);
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);
}