diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/tps80031.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/mfd/tps80031.c b/drivers/mfd/tps80031.c index 4b80f65cc924..39f7f2ee3149 100644 --- a/drivers/mfd/tps80031.c +++ b/drivers/mfd/tps80031.c @@ -313,6 +313,29 @@ out: } EXPORT_SYMBOL_GPL(tps80031_update); +int tps80031_force_update(struct device *dev, int sid, int reg, uint8_t val, + uint8_t mask) +{ + struct tps80031 *tps80031 = dev_get_drvdata(dev); + struct tps80031_client *tps = &tps80031->tps_clients[sid]; + uint8_t reg_val; + int ret = 0; + + mutex_lock(&tps->lock); + + ret = __tps80031_read(tps->client, reg, ®_val); + if (ret) + goto out; + + reg_val = (reg_val & ~mask) | (val & mask); + ret = __tps80031_write(tps->client, reg, reg_val); + +out: + mutex_unlock(&tps->lock); + return ret; +} +EXPORT_SYMBOL_GPL(tps80031_force_update); + static struct tps80031 *tps80031_dev; int tps80031_power_off(void) { |