diff options
Diffstat (limited to 'drivers/core/regmap.c')
| -rw-r--r-- | drivers/core/regmap.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c index fabcc5f53a8..8e5c3bcf61b 100644 --- a/drivers/core/regmap.c +++ b/drivers/core/regmap.c @@ -132,3 +132,17 @@ int regmap_write(struct regmap *map, uint offset, uint val) return 0; } + +int regmap_update_bits(struct regmap *map, uint offset, uint mask, uint val) +{ + uint reg; + int ret; + + ret = regmap_read(map, offset, ®); + if (ret) + return ret; + + reg &= ~mask; + + return regmap_write(map, offset, reg | val); +} |