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From: Yauhen Kharuzhy <jekhor@gmail.com>
To: Hans de Goede <hdegoede@redhat.com>
Cc: linux-kernel@vger.kernel.org,
	MyungJoo Ham <myungjoo.ham@samsung.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: [PATCH 1/2] extcon-intel-cht-wc: Make charger detection co-existed with OTG host mode
Date: Thu, 14 Feb 2019 10:09:43 +0300	[thread overview]
Message-ID: <20190214070943.GB16597@jeknote.loshitsa1.net> (raw)
In-Reply-To: <767c3d5e-f521-4d59-3922-a322b4124126@redhat.com>

On Thu, Feb 14, 2019 at 12:15:00AM +0100, Hans de Goede wrote:
> Hi,
> 
> On 10-02-19 21:36, Yauhen Kharuzhy wrote:
> > Whiskey Cove Cherry Trail PMIC requires disabling OTG host mode before
> > of charger detection procedure. Do this by manipulationg of CHGRCTRL1
> > register.
> > 
> > Source: APCI DSDT code of Lenovo Yoga Book YB1-X91L and open-sourced
> > Intel's drivers.
> 
> Hmm, of the ACPI code is updating the otg-mode, then there should be
> no reason for us to do this, can you provide an acpidump of your
> device please?

sure: https://github.com/jekhor/yogabook-linux/blob/master/yoga/acpi/yoga.acpidump.log

Yes, there is ACPI routine for switching this but it is not called at
IRQ handling because it is handled by extcon driver. See my notes here:
https://github.com/jekhor/yogabook-linux/blob/master/yoga/acpi/investigate.txt#L364


-- 
Yauhen Kharuzhy

  reply	other threads:[~2019-02-14  7:09 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20190210204024epcas3p36ea277b499e647b870d538c5680309bd@epcas3p3.samsung.com>
2019-02-10 20:36 ` [PATCH 0/2] extcon: Intel Cherry Trail Whiskey Cove PMIC and external charger tweaks Yauhen Kharuzhy
2019-02-10 20:36   ` [PATCH 1/2] extcon-intel-cht-wc: Make charger detection co-existed with OTG host mode Yauhen Kharuzhy
2019-02-13 23:15     ` Hans de Goede
2019-02-14  7:09       ` Yauhen Kharuzhy [this message]
2019-02-14 15:32         ` Hans de Goede
2019-02-14 14:22     ` Hans de Goede
2019-02-10 20:36   ` [PATCH 2/2] extcon intel-cht-wc: Enable external charger Yauhen Kharuzhy
2019-02-14 16:31     ` Hans de Goede
2019-02-15  6:32       ` Yauhen Kharuzhy
2019-02-17 21:52         ` Yauhen Kharuzhy
2019-02-18  9:24           ` Hans de Goede
2019-02-18 15:07             ` Yauhen Kharuzhy
2019-02-19 13:39               ` Hans de Goede
2019-02-19 20:20                 ` Yauhen Kharuzhy
2019-02-20 16:42                   ` Hans de Goede
2019-02-20 20:28                     ` Yauhen Kharuzhy
2019-02-21  9:33                       ` Hans de Goede
2019-02-13 23:00   ` [PATCH 0/2] extcon: Intel Cherry Trail Whiskey Cove PMIC and external charger tweaks Hans de Goede
2019-02-14 10:07     ` Hans de Goede
2019-02-14 12:47     ` Andy Shevchenko
     [not found]       ` <CAKWEGV7SGDMttB6uHwnkyjWk+bmSmZ-vTSOXHg1UAgLBeqnaXw@mail.gmail.com>
2019-02-14 15:05         ` Hans de Goede
2019-02-15  7:01           ` Yauhen Kharuzhy
2019-02-15  9:26             ` Hans de Goede
2019-02-15  9:29           ` Andy Shevchenko
2019-02-15  9:33             ` Hans de Goede
2019-02-15  7:08   ` Chanwoo Choi

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