Re: [PATCH 0/5] iio: accel: Add bma023 support to bma180
From: Jonathan Bakker
Date: Wed May 06 2020 - 23:49:24 EST
Hi Linus,
On 2020-05-06 5:47 a.m., Linus Walleij wrote:
> On Sun, May 3, 2020 at 7:22 PM Jonathan Bakker <xc-racer2@xxxxxxx> wrote:
>
>> This patchset adds support for the bma023 three axis accelerometer
>> to the bma180 IIO driver. The bma023 is found on several ~2010
>> phones, including the first-gen Galaxy S series.
>>
>> The bma023 differs from later chips (bma180, bma25x) in that it
>> has no low power but still working mode and no temperature
>> channel.
>>
>> The bma023 is already supported by a misc input driver (bma150), so
>> when both are enabled, the iio driver is preferred. The bma150
>> is very similar to the bma023, but has a temperature channel.
>> Support for the bma150 is not added in this patchset.
>
> I'd say, if it's not too much trouble please also patch in
> support for BMA150 and SMB380 to the IIO driver so
> we can delete this old Input driver, we have done this
> before and thes "input drivers" are just causing headaches
> and wasting time for the Input maintainer.
>
Looking at the bma150, it looks the same. The temperature is implemented
slightly differently than on the bma180+ (unsigned vs signed) but should
be quite easy to add. I'll add a new patch for it in v2.
> It can be in a separate patch set from this one if you
> don't want to get stuck on this.
>
> Yours,
> Linus Walleij
>
Thanks,
Jonathan