s5k5baf_read
api_ver = s5k5baf_read(state, REG_FW_APIVER);
fw_rev = s5k5baf_read(state, REG_FW_REVISION) & 0xff;
s_id = s5k5baf_read(state, REG_FW_SENSOR_ID);
reg = s5k5baf_read(state, addr);
status = s5k5baf_read(state, REG_I_ERROR_INFO);
cur_alg = s5k5baf_read(state, REG_DBG_AUTOALG_EN);
u16 err = s5k5baf_read(state, REG_G_PREV_CFG_ERROR);
fiv = s5k5baf_read(state, REG_G_ACTUAL_P_FR_TIME);