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Date:      Sun, 21 Mar 2021 12:33:35 +0100
From:      =?utf-8?Q?S=C3=B8ren_Schmidt?= <soren.schmidt@gmail.com>
To:        Emmanuel Vadot <manu@bidouilliste.com>
Cc:        freebsd-arm <freebsd-arm@freebsd.org>
Subject:   Re: PinebookPro misc drivers..
Message-ID:  <D830C68A-DEF5-4493-9C2E-F80D85B054DF@gmail.com>
In-Reply-To: <20210321114651.cafd10f9bf5c8a4341cd5b67@bidouilliste.com>
References:  <BEA0D66A-7F35-4488-BFDD-E6947A530F18@gmail.com> <20210310160114.dd9853a0689d257388a745b5@bidouilliste.com> <88144856-F28B-4137-B0A9-4B4C8523774C@gmail.com> <20210321111957.e7ebc1261e3b7ec03c8718d6@bidouilliste.com> <20210321114651.cafd10f9bf5c8a4341cd5b67@bidouilliste.com>

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On 21 Mar 2021, at 11.46, Emmanuel Vadot <manu@bidouilliste.com> wrote:
>=20
> On Sun, 21 Mar 2021 11:19:57 +0100
> Emmanuel Vadot <manu@bidouilliste.com <mailto:manu@bidouilliste.com>> =
wrote:
>=20
>> On Sun, 21 Mar 2021 11:02:28 +0100
>> S=C3=B8ren Schmidt <soren.schmidt@gmail.com> wrote:
>>=20
>>> On 10 Mar 2021, at 16.01, Emmanuel Vadot <manu@bidouilliste.com> =
wrote:
>>>>=20
>>>> On Wed, 10 Mar 2021 15:29:21 +0100
>>>> S=C3=B8ren Schmidt <soren.schmidt@gmail.com> wrote:
>>>>=20
>>>>> Hi
>>>>>=20
>>>>> I?ve uploaded the latest from my PinebookPro collection here:
>>>>> https://people.freebsd.org/~sos/PinebookPro/ =
<https://people.freebsd.org/~sos/PinebookPro/>;
>>>>>=20
>>>>> Comment,, bugs, etc welcome?
>>>>=20
>>>> Few comments,
>>>>=20
>>>> - Could you at least share patches generated with git diff ?
>>>=20
>>> No git here, but added patches to the one file (rk_gpio.c) that =
isn?t new :)
>>=20
>> Why was all the softc variable renamed, this makes reviewing much
>> harder than it should be.


I just cleaned up stuff to my liking, whether you want this stuff in the =
official sources I dont care much :)

>>>> - rk_gpiokeys.c doesn't seems correct, we already have
>>>> sys/dev/gpio/gpiokeys.c so patch this one if it isn't enough for =
lid
>>>> switch need.
>>>=20
>>> Well, the stock drivers handling of this is, well, less than optimal =
and the lid support is pretty unique to the pbp so I decided to go this =
way as to not ?pollute? the original.
>>=20
>> Less than optimal why ?
>> Pretty unique why ?
>> I don't see anything unique for the pbp in the dts and if the driver
>> that we already have is missing some stuff it should be patched.
>=20
> So, since I'm a nice guy I've looked at the driver.
> It is unique because you made it unique.
> Upon lid switch even if the lid closed you deactivate the lcd power
> gpio control pin (which is not referenced in the dts node for the lid
> switch) using a really a gross hack. We should never do that.
> You've also written that you haven't been able to get interrupts when
> you open the lid but since you only configure it with
> GPIO_INTR_EDGE_FALLING that's normal. What is happening if you
> configure it with GPIO_INTR_EDGE_BOTH ? If it's still not working it
> probably shows a problem in your gpio patch that add interrupts =
support.

Well, there is NO interrupt generated whether you look for raising of =
failling edges, that=E2=80=99s why I resorted to plain polling (as =
explained).
I made it unique for my purposes, so it doesn=E2=80=99t conflict with =
anything.
But anyhow interrupts etc works on any ohter pin but apparently at least =
my device has issue here.

>=20
>>>> I could comment more if I would be able to diff more easily.
>>>=20
>>> As stated above there is now a patch for you for rk_gpio.c the rest =
has nothing to diff against.
>>>=20
>>> BTW I added support for writing an updated u-boot-2021.01 to the SPI =
flash on the pbp (also works for rockpro64), so one can boot from eMMC, =
SDcard, USB and NVMe with kbd/mouse support and screen output from the =
first u-boot output.
>>=20
>> And again no patches make this really hard to review.
>> Please create a phabricator account and post patches there, we can
>> then have a proper discussion.


That is just too timeconsuming for me, I=E2=80=99m just trying to be =
nice and post what I=E2=80=99ve done to get my pinebookpro into a useful =
state for daily usage, you can pick and choose form that og just ignore =
it, I=E2=80=99m happy either way...

=E2=80=94
S=C3=B8ren Schmidt
sos@deepcore.dk / sos@freebsd.org
"So much code to hack, so little time"






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