Re: question about driver for different sensors in the same ASIC

[Alexander Holler <holler@ahsoftware.de>]

Am 12.12.2012 21:23, schrieb Lars-Peter Clausen:
> On 12/12/2012 08:49 PM, Denis Ciocca wrote:
>>> Usually you'd want to be able to sample both the accelerometer and gyro
>> sensors
>>> at the same time, so just one driver should be fine.
>>>
>>> Or have the gyro and accelerometer sensors completely separated register
>> maps
>>> and don't share any functionality?
>>
>> Some sensors doesn't share any functionality, simply share the same
>> interface or better the control registers for single sensor are separated.
>> I test this with the current driver but the second proble doesn't start!
>> Only one probe is mandatory?
>
> You can only have one device per I2C address and only one probe call per
> device. If you really want to use two separated drivers you could create a mfd
> device and one subdevice for the gyro and accelerometer.

There are patches for a driver to use HID over i2c on lkml. Might be 
need some effort to implement that on devices, but maybe it's a solution.

Regards,

Alexander