0x00 - Microsoft: Type/Touch Cover
Technical information about Type/Touch Covers for Surface RT/2
- HID over I2C
- Address: 0x00
- Bus speed: 400kHz
- HID_Descriptor: 0x0041
- ACPI Device: SNMU
- Power:
- Bridge IC: PMIC.REG1: 1.8V
- tCover Power: PMIC.REG3: 2.8V
HID Interrupt: O5
Hotplug Interrupt: S0
The tCover I2C address is 0x00. This address is reserved for
general call
.
Linux doesn't allow I2C Slaves to use this address therefore the I2C driver must be patched to allow 0x00 as valid Slave address.i2c-hotplug-gpio
is a grate driver and doesn't work in mainline.Cover | Generation | VendorID / hex | ProductID / hex |
Touch | 1 | 045E | 079A |
Type | 1 | 045E | 079C |
Touch | 2 | 045E | 07A7 |
Type | 2 | 045E | 07A9 |
Power | 1 | 045E - tbc | 07DA - tbc |
Last modified 2yr ago