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SubjectRe: [PATCH] iio: accel: add missing sensor for some 2-in-1 based ultrabooks
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Hi,

On 15-04-19 17:40, luis@aurorafoss.org wrote:
> April 6, 2019 10:36 AM, "Hans de Goede" <hdegoede@redhat.com> wrote:
>
> Hi,
>
>> Yes that seems the best way forward with this.
>>
>> Note I think "base" is better then "keyboard" for the sensor which
>> is in the base/keyboard. But neither is perfect, so go which whatever
>> you prefer.
>
> Reference to:
> - https://github.com/hadess/iio-sensor-proxy/pull/262 > - https://github.com/systemd/systemd/pull/12322

Thank you for your work on this, I see that Bastien has
already reviewed the iio-sensor-proxy changes.

I've just added one small remark to the systemd changes,
except for that small remark the systemd changes look good to me.

Regards,

Hams




>> On 06-04-19 01:01, Luís Ferreira wrote:
>>
>>> Hi,
>>> Basically we need to come up with a convention to (optionally) indicate
>>
>> the sensors location with a udev attribute set by:
>> /lib/udev/hwdb.d/60-sensor.hwdb
>>> So should we start adding `ACCEL_LOCATION=display` and
>>> `ACCEL_LOCATION=keyboard` attributes to that file and patch
>>> iio-sensor-proxy to ignore the keyboard ones as a first step ?
>>
>> Yes that seems the best way forward with this.
>>
>> Note I think "base" is better then "keyboard" for the sensor which
>> is in the base/keyboard. But neither is perfect, so go which whatever
>> you prefer.
>>
>> Thanks & Regards,
>>
>> Hans
>>
>>> On Wed, 3 Apr 2019 at 10:10, Hans de Goede <hdegoede@redhat.com> wrote:
>>
>> Hi,
>>
>> On 02-04-19 18:04, Luís Ferreira wrote:
>>> Some ultrabooks, like Teclast F6 Pro, use KIOX010A sensor on display
>>> and KIOX020A sensor on keyboard base, to detect tablet mode or screen
>>> orientation.
>>
>> I deliberately left out the KIOX020A id for now, because currently
>> userspace cannot really deal with having 2 sensors.
>>
>> See:
>> https://github.com/systemd/systemd/issues/6557
>> https://github.com/hadess/iio-sensor-proxy/issues/166
>>
>> Basically we need to come up with a convention to (optionally) indicate
>> the sensors location with a udev attribute set by:
>> /lib/udev/hwdb.d/60-sensor.hwdb
>>
>> And then patch iio-sensor-proxy to consume that attribute and ignore
>> the one which has e.g. ACCEL_LOCATION=keyboard in its udev properties
>>
>> Ignoring would be a first step, maybe later it can do something useful
>> with it, see e.g. : https://github.com/alesguzik/linux_detect_tablet_mode
>>
>> IMHO we really should minimally get code in place for iio-sensor-proxy
>> to ignore the keyboard accelerometer before merging this patch.
>>
>> I realize that having the code in place will not magically get it on
>> all users machines, but I believe this is the minimum which needs to
>> happen before we push this out and potentially breaks people screen
>> rotation.
>>
>> I've had working on this on my TODO list for a long long time now,
>> but -ENOTIME. If you have some time to work on this then that would
>> be great.
>>
>> Regards,
>>
>> Hans
>>> Signed-off-by: Luís Ferreira <luis@aurorafoss.org>
>>> ---
>>> drivers/iio/accel/kxcjk-1013.c | 1 +
>>> 1 file changed, 1 insertion(+)
>>>
>>> diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
>>> index 7096e577b23f..9a5e445facc1 100644
>>> --- a/drivers/iio/accel/kxcjk-1013.c
>>> +++ b/drivers/iio/accel/kxcjk-1013.c
>>> @@ -1492,6 +1492,7 @@ static const struct acpi_device_id kx_acpi_match[] = {
>>> {"KIOX0009", KXTJ21009},
>>> {"KIOX000A", KXCJ91008},
>>> {"KIOX010A", KXCJ91008}, /* KXCJ91008 inside the display of a 2-in-1 */
>>> + {"KIOX020A", KXCJ91008},
>>> {"KXTJ1009", KXTJ21009},
>>> {"KXJ2109", KXTJ21009},
>>> {"SMO8500", KXCJ91008},

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