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
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