REG_CHAN_TIMER
[REG_CHAN_TIMER] = REG_FIELD_ID(0x40, 0, 7, 3, 1),
[REG_CHAN_TIMER] = REG_FIELD_ID(0x40, 0, 7, 3, 1),
[REG_CHAN_TIMER] = REG_FIELD_ID(0x3e, 0, 7, 4, 1),
rc = regmap_fields_write(flash_data->r_fields[REG_CHAN_TIMER], chan_id, timer);