i2cdetect -y 2
0 1 2 3 4 5 6 7 8 9 a b c d e f[ 101.485350] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x8)
00: [ 101.499017] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x9)
– – [ 101.510791] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0xa)
– [ 101.520642] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0xb)
– [ 101.530315] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0xc)
– [ 101.539859] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0xd)
– [ 101.549463] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0xe)
– [ 101.559027] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0xf)
10: [ 101.568648] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x10)
– [ 101.578808] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x11)
– [ 101.588494] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x12)
– [ 101.598163] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x13)
– [ 101.607844] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x14)
– [ 101.617510] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x15)
– [ 101.627219] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x16)
– [ 101.636866] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x17)
– [ 101.646551] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x18)
– [ 101.656270] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x19)
– [ 101.665920] sunxi_i2c_do_xfer()1816 - [i2c2] incomplete xfer (status: 0x20, dev addr: 0x1a)