RM3100_REG_POLL
regmap_write(data->regmap, RM3100_REG_POLL, 0);
ret = regmap_write(regmap, RM3100_REG_POLL, BIT(4 + idx));
#define RM3100_W_REG_START RM3100_REG_POLL
#define RM3100_R_REG_START RM3100_REG_POLL
#define RM3100_V_REG_START RM3100_REG_POLL