On 31 March 2016 at 16:15, Felipe Balbi wrote:
>
> Hi Baolin,
>
> Baolin Wang writes:
>> Make sense. In our company's solution, charger detection can be done
>> by hardware from PMIC at first, then it will not affect the DP/DM
>> line when gadget starts to enumeration.
>
Hi Baolin,
Baolin Wang writes:
>>> >> Make sense. In our company's solution, charger detection can be done
>>> >> by hardware from PMIC at first, then it will not affect the DP/DM
>>> >> line when gadget starts to enumeration.
>>> >
>>> > I see, charger type detection is done automatically by PM
n...@lists.linuxfoundation.org; LKML > ker...@vger.kernel.org>
>> Subject: Re: [PATCH v8 0/4] Introduce usb charger framework to deal with
>> the usb gadget power negotation
>>
>> On 30 March 2016 at 18:58, Jun Li wrote:
>> >> >> >> > Seem
On 31 March 2016 at 14:18, Felipe Balbi wrote:
>
> Hi,
>
> Baolin Wang writes:
>> [ text/plain ]
>> On 30 March 2016 at 19:24, Felipe Balbi wrote:
> >> >> >
> >> >> > Seems you don't want to guarantee charger type detection is done
> >> >> > before gadget connection(pullup DP), right
Hi,
Baolin Wang writes:
> [ text/plain ]
> On 30 March 2016 at 19:24, Felipe Balbi wrote:
>> >> >
>> >> > Seems you don't want to guarantee charger type detection is done
>> >> > before gadget connection(pullup DP), right?
>> >> > I see you call usb_charger_detect_type() in
; Alan Stern
> ; r.bald...@samsung.com; Yoshihiro Shimoda
> ; Lee Jones ; Mark
> Brown ; Charles Keepax
> ; patc...@opensource.wolfsonmicro.com;
> Linux PM list ; USB ;
> device-mainlin...@lists.linuxfoundation.org; LKML ker...@vger.kernel.org>
> Subject: Re: [PATCH v8 0/4] Introd
On 30 March 2016 at 19:24, Felipe Balbi wrote:
>>> >> >> >
>>> >> >> > Seems you don't want to guarantee charger type detection is done
>>> >> >> > before gadget connection(pullup DP), right?
>>> >> >> > I see you call usb_charger_detect_type() in each gadget usb
>>> >> >> > state
>>> >> >> change
On 30 March 2016 at 18:58, Jun Li wrote:
>> >> >> > Seems you don't want to guarantee charger type detection is done
>> >> >> > before gadget connection(pullup DP), right?
>> >> >> > I see you call usb_charger_detect_type() in each gadget usb
>> >> >> > state
>> >> >> changes.
>> >> >>
>> >> >> I
LKML > ker...@vger.kernel.org>
>> Subject: Re: [PATCH v8 0/4] Introduce usb charger framework to deal with
>> the usb gadget power negotation
>>
>> On 30 March 2016 at 16:07, Jun Li wrote:
>> > Hi
>>
>> >> On 30 Marc
; Alan Stern
> ; r.bald...@samsung.com; Yoshihiro Shimoda
> ; Lee Jones ; Mark
> Brown ; Charles Keepax
> ; patc...@opensource.wolfsonmicro.com;
> Linux PM list ; USB ;
> device-mainlin...@lists.linuxfoundation.org; LKML ker...@vger.kernel.org>
> Subject: Re: [PATCH v8 0/4] Introd
On 30 March 2016 at 17:19, Peter Chen wrote:
> On Wed, Mar 30, 2016 at 04:40:31PM +0800, Baolin Wang wrote:
>> >> > - Third, since composite driver covers 500mA (and more for CDP) after
>> >> > set
>> >> > configuration and 2mA after suspend, and vbus handler covers connect
>> >> > and disconnect
On 30 March 2016 at 16:07, Jun Li wrote:
> Hi
>> On 30 March 2016 at 10:54, Jun Li wrote:
>> >> >> It is not for udc driver but for power users who want to negotiate
>> >> >> with USB subsystem.
>> >> >>
>> >> >
>> >> > Seems you don't want to guarantee charger type detection is done
>> >> > bef
On Wed, Mar 30, 2016 at 04:40:31PM +0800, Baolin Wang wrote:
> >> > - Third, since composite driver covers 500mA (and more for CDP) after set
> >> > configuration and 2mA after suspend, and vbus handler covers connect
> >> > and disconnect. I can't see any reasons we need to notify gadget state
> >
; Alan Stern
> ; r.bald...@samsung.com; Yoshihiro Shimoda
> ; Lee Jones ; Mark
> Brown ; Charles Keepax
> ; patc...@opensource.wolfsonmicro.com;
> Linux PM list ; USB ;
> device-mainlin...@lists.linuxfoundation.org; LKML ker...@vger.kernel.org>
> Subject: Re: [PATCH v8 0/4] Introd
On 30 March 2016 at 15:42, Peter Chen wrote:
> On Wed, Mar 30, 2016 at 03:07:49PM +0800, Baolin Wang wrote:
>> On 30 March 2016 at 10:05, Peter Chen wrote:
>> > On Tue, Mar 29, 2016 at 10:23:14AM -0700, Mark Brown wrote:
>> >> On Mon, Mar 28, 2016 at 03:13:51PM +0800, Peter Chen wrote:
>> >> > On
On Wed, Mar 30, 2016 at 03:07:49PM +0800, Baolin Wang wrote:
> On 30 March 2016 at 10:05, Peter Chen wrote:
> > On Tue, Mar 29, 2016 at 10:23:14AM -0700, Mark Brown wrote:
> >> On Mon, Mar 28, 2016 at 03:13:51PM +0800, Peter Chen wrote:
> >> > On Mon, Mar 28, 2016 at 02:51:40PM +0800, Baolin Wang
On 30 March 2016 at 10:05, Peter Chen wrote:
> On Tue, Mar 29, 2016 at 10:23:14AM -0700, Mark Brown wrote:
>> On Mon, Mar 28, 2016 at 03:13:51PM +0800, Peter Chen wrote:
>> > On Mon, Mar 28, 2016 at 02:51:40PM +0800, Baolin Wang wrote:
>>
>> > > > I am afraid I still not find the user (udc driver)
On 30 March 2016 at 10:54, Jun Li wrote:
>> >> It is not for udc driver but for power users who want to negotiate
>> >> with USB subsystem.
>> >>
>> >
>> > Seems you don't want to guarantee charger type detection is done
>> > before gadget connection(pullup DP), right?
>> > I see you call usb_char
..@samsung.com; Yoshihiro
> >> Shimoda ; Lee Jones
> >> ; Mark Brown ; Charles
> >> Keepax ;
> >> patc...@opensource.wolfsonmicro.com;
> >> Linux PM list ; USB
> >> ;
> >> device-mainlin...@lists.linuxfoundation.org; LKML >> ker...@v
On Tue, Mar 29, 2016 at 10:23:14AM -0700, Mark Brown wrote:
> On Mon, Mar 28, 2016 at 03:13:51PM +0800, Peter Chen wrote:
> > On Mon, Mar 28, 2016 at 02:51:40PM +0800, Baolin Wang wrote:
>
> > > > I am afraid I still not find the user (udc driver) for this framework,
> > > > I would
> > > > like
On Mon, Mar 28, 2016 at 03:13:51PM +0800, Peter Chen wrote:
> On Mon, Mar 28, 2016 at 02:51:40PM +0800, Baolin Wang wrote:
> > > I am afraid I still not find the user (udc driver) for this framework, I
> > > would
> > > like to see how udc driver block the enumeration until the charger
> > > det
On Tue, Mar 29, 2016 at 10:05:23AM +0800, Baolin Wang wrote:
> Yes, The user 'wm831x_power' did not implement any callbacks in
> 'usb_charger_detect_type()' function, but in
> 'usb_charger_detect_type()' function it just supplies different
> callbacks to get the charger type with simple logic. Any
>> Linux PM list ; USB ;
>> device-mainlin...@lists.linuxfoundation.org; LKML > ker...@vger.kernel.org>
>> Subject: Re: [PATCH v8 0/4] Introduce usb charger framework to deal with
>> the usb gadget power negotation
>>
>> On 25 March 2016 at 15:09, Peter Chen
>
> Subject: Re: [PATCH v8 0/4] Introduce usb charger framework to deal with
> the usb gadget power negotation
>
> On 25 March 2016 at 15:09, Peter Chen wrote:
> > On Thu, Mar 24, 2016 at 08:35:53PM +0800, Baolin Wang wrote:
> >> Currently the Linux kernel does not pr
On 29 March 2016 at 08:32, Peter Chen wrote:
>
>>
>> On 28 March 2016 at 15:13, Peter Chen wrote:
>> > On Mon, Mar 28, 2016 at 02:51:40PM +0800, Baolin Wang wrote:
>> >> On 25 March 2016 at 15:09, Peter Chen wrote:
>> >> > On Thu, Mar 24, 2016 at 08:35:53PM +0800, Baolin Wang wrote:
>> >> >> Cur
>
> On 28 March 2016 at 15:13, Peter Chen wrote:
> > On Mon, Mar 28, 2016 at 02:51:40PM +0800, Baolin Wang wrote:
> >> On 25 March 2016 at 15:09, Peter Chen wrote:
> >> > On Thu, Mar 24, 2016 at 08:35:53PM +0800, Baolin Wang wrote:
> >> >> Currently the Linux kernel does not provide any standa
On 28 March 2016 at 15:13, Peter Chen wrote:
> On Mon, Mar 28, 2016 at 02:51:40PM +0800, Baolin Wang wrote:
>> On 25 March 2016 at 15:09, Peter Chen wrote:
>> > On Thu, Mar 24, 2016 at 08:35:53PM +0800, Baolin Wang wrote:
>> >> Currently the Linux kernel does not provide any standard integration
On Mon, Mar 28, 2016 at 02:51:40PM +0800, Baolin Wang wrote:
> On 25 March 2016 at 15:09, Peter Chen wrote:
> > On Thu, Mar 24, 2016 at 08:35:53PM +0800, Baolin Wang wrote:
> >> Currently the Linux kernel does not provide any standard integration of
> >> this
> >> feature that integrates the USB
On 25 March 2016 at 15:09, Peter Chen wrote:
> On Thu, Mar 24, 2016 at 08:35:53PM +0800, Baolin Wang wrote:
>> Currently the Linux kernel does not provide any standard integration of this
>> feature that integrates the USB subsystem with the system power regulation
>> provided by PMICs meaning tha
On Thu, Mar 24, 2016 at 08:35:53PM +0800, Baolin Wang wrote:
> Currently the Linux kernel does not provide any standard integration of this
> feature that integrates the USB subsystem with the system power regulation
> provided by PMICs meaning that either vendors must add this in their kernels
> o
Currently the Linux kernel does not provide any standard integration of this
feature that integrates the USB subsystem with the system power regulation
provided by PMICs meaning that either vendors must add this in their kernels
or USB gadget devices based on Linux (such as mobile phones) may not b
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