reg 0x02 = 0x01 #SLEEP_CFG
reg 0x07 = 0x30 #ASI_CFG0
reg 0x13 = 0x87 #MST_CFG0
reg 0x14 = 0x48 #MST_CFG1
reg 0x16 = 0x98 #CLK_SRC
reg 0x21 = 0xA2 #GPIO_CFG0
reg 0x22 = 0x41 #GPO_CFG0 
reg 0x23 = 0x41 #GPO_CFG1
reg 0x24 = 0x41 #GPO_CFG2
reg 0x25 = 0x41 #GPO_CFG3
reg 0x2B = 0x45 #GPI_CFG0
reg 0x2C = 0x67 #GPI_CFG1
reg 0x3C = 0x40 #CH1_CFG0
reg 0x41 = 0x40 #CH2_CFG0
reg 0x46 = 0x40 #CH3_CFG0
reg 0x4B = 0x40 #CH4_CFG0
reg 0x73 = 0xFF #IN_CH_EN
reg 0x74 = 0xFF #OUT_CH_EN
reg 0x6C = 0x40 #DSP_CFG1
reg 0x75 = 0x60 #PWR_CFG