diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/tps65910.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c index f243e75d28f3..7612d89850dd 100644 --- a/drivers/mfd/tps65910.c +++ b/drivers/mfd/tps65910.c @@ -486,6 +486,11 @@ static int tps65910_i2c_probe(struct i2c_client *i2c, tps65910->i2c_client = i2c; tps65910->id = chip_id; + /* Work around silicon erratum SWCZ010: the tps65910 may miss the + * first I2C transfer. So issue a dummy transfer before the first + * real transfer. + */ + i2c_master_send(i2c, "", 1); tps65910->regmap = devm_regmap_init_i2c(i2c, &tps65910_regmap_config); if (IS_ERR(tps65910->regmap)) { ret = PTR_ERR(tps65910->regmap); |