diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/regmap/regmap.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 2807e544658e..51db0f88f164 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -209,6 +209,18 @@ static bool regmap_volatile_range(struct regmap *map, unsigned int reg, return true; } +static void regmap_format_12_20_write(struct regmap *map, + unsigned int reg, unsigned int val) +{ + u8 *out = map->work_buf; + + out[0] = reg >> 4; + out[1] = (reg << 4) | (val >> 16); + out[2] = val >> 8; + out[3] = val; +} + + static void regmap_format_2_6_write(struct regmap *map, unsigned int reg, unsigned int val) { @@ -870,6 +882,16 @@ struct regmap *__regmap_init(struct device *dev, } break; + case 12: + switch (config->val_bits) { + case 20: + map->format.format_write = regmap_format_12_20_write; + break; + default: + goto err_hwlock; + } + break; + case 8: map->format.format_reg = regmap_format_8; break; |