Hi Sven, Unfortunately Damien has found an issue. [1] Output of i2cdetect -l with the default RC3 of kernel 5.15 without your modifications: 2c-0 i2c Radeon i2c bit bus 0x90 I2C adapter i2c-1 i2c Radeon i2c bit bus 0x91 I2C adapter i2c-2 i2c Radeon i2c bit bus 0x92 I2C adapter i2c-3 i2c Radeon i2c bit bus 0x93 I2C adapter i2c-4 i2c Radeon i2c bit bus 0x94 I2C adapter i2c-5 i2c Radeon i2c bit bus 0x95 I2C adapter i2c-6 i2c Radeon i2c bit bus 0x96 I2C adapter i2c-7 i2c Radeon i2c bit bus 0x97 I2C adapter i2c-8 i2c PA Semi SMBus adapter at 0x800200 I2C adapter i2c-9 i2c PA Semi SMBus adapter at 0x800240 I2C adapter i2c-10 i2c PA Semi SMBus adapter at 0x800280 I2C adapter Output of i2cdetect -l with your modifications: i2c-0 i2c Radeon i2c bit bus 0x90 I2C adapter i2c-1 i2c Radeon i2c bit bus 0x91 I2C adapter i2c-2 i2c Radeon i2c bit bus 0x92 I2C adapter i2c-3 i2c Radeon i2c bit bus 0x93 I2C adapter i2c-4 i2c Radeon i2c bit bus 0x94 I2C adapter i2c-5 i2c Radeon i2c bit bus 0x95 I2C adapter i2c-6 i2c Radeon i2c bit bus 0x96 I2C adapter i2c-7 i2c Radeon i2c bit bus 0x97 I2C adapter i2c-8 i2c PA Semi SMBus adapter at 0x(____ptrval____) I2C adapter i2c-9 i2c PA Semi SMBus adapter at 0x(____ptrval____) I2C adapter i2c-10 i2c PA Semi SMBus adapter at 0x(____ptrval____) I2C adapter Please check the outputs. Thanks, Christian [1] https://forum.hyperion-entertainment.com/viewtopic.php?p=54165#p54165
