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

On 5/23/19 2:03 PM, Luís Ferreira wrote:
> Hi Hams,
>
> https://github.com/systemd/systemd/pull/12322
> https://github.com/hadess/iio-sensor-proxy/pull/262
>
> As all the pull requests to systemd and iio-sensor-proxy has already
> been merged, I just need your review on this:
> https://github.com/systemd/systemd/pull/12449
>
> Then, I guess this patch is ready to go. Please let me know if theres any issue.

Thank you for your work on this. I've given a favorable review to the

last systemd pull-req.

Regards,

Hans


> On Wed, 17 Apr 2019 at 16:08, Hans de Goede <hdegoede@redhat.com> wrote:
>>
>> 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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