diff options
Diffstat (limited to 'sound/soc/codecs/cs42l42.c')
| -rw-r--r-- | sound/soc/codecs/cs42l42.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index d9f8da7a68d0..d7fb6b38fd7c 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -36,6 +36,7 @@ #include <dt-bindings/sound/cs42l42.h> #include "cs42l42.h" +#include "cirrus_legacy.h" static const struct reg_default cs42l42_reg_defaults[] = { { CS42L42_FRZ_CTL, 0x00 }, @@ -1814,8 +1815,7 @@ static int cs42l42_i2c_probe(struct i2c_client *i2c_client, const struct i2c_device_id *id) { struct cs42l42_private *cs42l42; - int ret, i; - unsigned int devid = 0; + int ret, i, devid; unsigned int reg; cs42l42 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l42_private), @@ -1878,14 +1878,12 @@ static int cs42l42_i2c_probe(struct i2c_client *i2c_client, "Failed to request IRQ: %d\n", ret); /* initialize codec */ - ret = regmap_read(cs42l42->regmap, CS42L42_DEVID_AB, ®); - devid = (reg & 0xFF) << 12; - - ret = regmap_read(cs42l42->regmap, CS42L42_DEVID_CD, ®); - devid |= (reg & 0xFF) << 4; - - ret = regmap_read(cs42l42->regmap, CS42L42_DEVID_E, ®); - devid |= (reg & 0xF0) >> 4; + devid = cirrus_read_device_id(cs42l42->regmap, CS42L42_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 != CS42L42_CHIP_ID) { ret = -ENODEV; |