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Diffstat (limited to 'sound/soc/codecs/cs35l32.c')
-rw-r--r--sound/soc/codecs/cs35l32.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/sound/soc/codecs/cs35l32.c b/sound/soc/codecs/cs35l32.c
index 88e79b9f52ed..933e3d627e5f 100644
--- a/sound/soc/codecs/cs35l32.c
+++ b/sound/soc/codecs/cs35l32.c
@@ -30,6 +30,7 @@
#include <dt-bindings/sound/cs35l32.h>
#include "cs35l32.h"
+#include "cirrus_legacy.h"
#define CS35L32_NUM_SUPPLIES 2
static const char *const cs35l32_supply_names[CS35L32_NUM_SUPPLIES] = {
@@ -351,8 +352,7 @@ static int cs35l32_i2c_probe(struct i2c_client *i2c_client,
struct cs35l32_private *cs35l32;
struct cs35l32_platform_data *pdata =
dev_get_platdata(&i2c_client->dev);
- int ret, i;
- unsigned int devid = 0;
+ int ret, i, devid;
unsigned int reg;
cs35l32 = devm_kzalloc(&i2c_client->dev, sizeof(*cs35l32), GFP_KERNEL);
@@ -407,40 +407,40 @@ static int cs35l32_i2c_probe(struct i2c_client *i2c_client,
/* Reset the Device */
cs35l32->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev,
"reset", GPIOD_OUT_LOW);
- if (IS_ERR(cs35l32->reset_gpio))
- return PTR_ERR(cs35l32->reset_gpio);
+ if (IS_ERR(cs35l32->reset_gpio)) {
+ ret = PTR_ERR(cs35l32->reset_gpio);
+ goto err_supplies;
+ }
gpiod_set_value_cansleep(cs35l32->reset_gpio, 1);
/* initialize codec */
- ret = regmap_read(cs35l32->regmap, CS35L32_DEVID_AB, &reg);
- devid = (reg & 0xFF) << 12;
-
- ret = regmap_read(cs35l32->regmap, CS35L32_DEVID_CD, &reg);
- devid |= (reg & 0xFF) << 4;
-
- ret = regmap_read(cs35l32->regmap, CS35L32_DEVID_E, &reg);
- devid |= (reg & 0xF0) >> 4;
+ devid = cirrus_read_device_id(cs35l32->regmap, CS35L32_DEVID_AB);
+ if (devid < 0) {
+ ret = devid;
+ dev_err(&i2c_client->dev, "Failed to read device ID: %d\n", ret);
+ goto err_disable;
+ }
if (devid != CS35L32_CHIP_ID) {
ret = -ENODEV;
dev_err(&i2c_client->dev,
"CS35L32 Device ID (%X). Expected %X\n",
devid, CS35L32_CHIP_ID);
- return ret;
+ goto err_disable;
}
ret = regmap_read(cs35l32->regmap, CS35L32_REV_ID, &reg);
if (ret < 0) {
dev_err(&i2c_client->dev, "Get Revision ID failed\n");
- return ret;
+ goto err_disable;
}
ret = regmap_register_patch(cs35l32->regmap, cs35l32_monitor_patch,
ARRAY_SIZE(cs35l32_monitor_patch));
if (ret < 0) {
dev_err(&i2c_client->dev, "Failed to apply errata patch\n");
- return ret;
+ goto err_disable;
}
dev_info(&i2c_client->dev,
@@ -481,7 +481,7 @@ static int cs35l32_i2c_probe(struct i2c_client *i2c_client,
CS35L32_PDN_AMP);
/* Clear MCLK Error Bit since we don't have the clock yet */
- ret = regmap_read(cs35l32->regmap, CS35L32_INT_STATUS_1, &reg);
+ regmap_read(cs35l32->regmap, CS35L32_INT_STATUS_1, &reg);
ret = devm_snd_soc_register_component(&i2c_client->dev,
&soc_component_dev_cs35l32, cs35l32_dai,
@@ -492,6 +492,8 @@ static int cs35l32_i2c_probe(struct i2c_client *i2c_client,
return 0;
err_disable:
+ gpiod_set_value_cansleep(cs35l32->reset_gpio, 0);
+err_supplies:
regulator_bulk_disable(ARRAY_SIZE(cs35l32->supplies),
cs35l32->supplies);
return ret;