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From: Mark Brown <broonie@kernel.org>
To: Baolin Wang <baolin.wang@linaro.org>
Cc: Peter Chen <peter.chen@nxp.com>,
	Peter Chen <hzpeterchen@gmail.com>,
	Felipe Balbi <balbi@kernel.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	Sebastian Reichel <sre@kernel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Peter Chen <peter.chen@freescale.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	"r.baldyga@samsung.com" <r.baldyga@samsung.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
	Lee Jones <lee.jones@linaro.org>,
	Charles Keepax <ckeepax@opensource.wolfsonmicro.com>,
	"patches@opensource.wolfsonmicro.com" 
	<patches@opensource.wolfsonmicro.com>,
	Linux PM list <linux-pm@vger.kernel.org>,
	USB <linux-usb@vger.kernel.org>,
	"device-mainlining@lists.linuxfoundation.org" 
	<device-mainlining@lists.linuxfoundation.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v8 0/4] Introduce usb charger framework to deal with the usb gadget power negotation
Date: Tue, 29 Mar 2016 10:14:12 -0700	[thread overview]
Message-ID: <20160329171412.GY2350@sirena.org.uk> (raw)
In-Reply-To: <CAMz4kuJxJbd8LOKNbduoGdQdByB0r0aU_2z9oAbsZB3RPPOjbg@mail.gmail.com>

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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. Anyway we can try
> to implement one callback to get the charger type and test the API.

The wm831x doesn't have any charger detection features, what it does
have is hardware for implementing a current limit on the power drawn
from USB.  What it's looking for from this framework is for something to
tell it how much current it should draw from USB so it can program the
hardware appropriately to impose that limit.

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  reply	other threads:[~2016-03-29 17:14 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-24 12:35 [PATCH v8 0/4] Introduce usb charger framework to deal with the usb gadget power negotation Baolin Wang
2016-03-24 12:35 ` [PATCH v8 1/4] gadget: Introduce the usb charger framework Baolin Wang
2016-04-23 19:53   ` Pavel Machek
2016-04-24  5:32     ` Baolin Wang
2016-03-24 12:35 ` [PATCH v8 2/4] gadget: Support for " Baolin Wang
2016-03-24 12:35   ` Baolin Wang
2016-03-27  1:29   ` kbuild test robot
2016-03-27  1:29     ` kbuild test robot
2016-03-24 12:35 ` [PATCH v8 3/4] gadget: Integrate with the usb gadget supporting for usb charger Baolin Wang
2016-03-24 12:35 ` [PATCH v8 4/4] power: wm831x_power: Support USB charger current limit management Baolin Wang
2016-03-27  2:08   ` kbuild test robot
2016-03-27  2:08     ` kbuild test robot
2016-03-27  8:22   ` Geert Uytterhoeven
2016-03-28  6:45     ` Baolin Wang
2016-03-25  7:09 ` [PATCH v8 0/4] Introduce usb charger framework to deal with the usb gadget power negotation Peter Chen
2016-03-25  7:09   ` Peter Chen
2016-03-28  6:51   ` Baolin Wang
2016-03-28  7:13     ` Peter Chen
2016-03-28  9:09       ` Baolin Wang
2016-03-29  0:32         ` Peter Chen
2016-03-29  0:32           ` Peter Chen
2016-03-29  2:05           ` Baolin Wang
2016-03-29  2:05             ` Baolin Wang
2016-03-29 17:14             ` Mark Brown [this message]
2016-03-29 17:14               ` Mark Brown
2016-03-29 17:23       ` Mark Brown
2016-03-30  2:05         ` Peter Chen
2016-03-30  7:07           ` Baolin Wang
2016-03-30  7:07             ` Baolin Wang
2016-03-30  7:42             ` Peter Chen
2016-03-30  7:42               ` Peter Chen
2016-03-30  8:40               ` Baolin Wang
2016-03-30  9:19                 ` Peter Chen
2016-03-30  9:32                   ` Baolin Wang
2016-03-29  8:45     ` Jun Li
2016-03-29  8:45       ` Jun Li
2016-03-29  9:48       ` Baolin Wang
2016-03-29  9:48         ` Baolin Wang
2016-03-30  2:54         ` Jun Li
2016-03-30  2:54           ` Jun Li
2016-03-30  6:15           ` Baolin Wang
2016-03-30  6:15             ` Baolin Wang
2016-03-30  8:07             ` Jun Li
2016-03-30  8:07               ` Jun Li
2016-03-30  9:30               ` Baolin Wang
2016-03-30  9:30                 ` Baolin Wang
2016-03-30 10:58                 ` Jun Li
2016-03-30 10:58                   ` Jun Li
2016-03-30 11:24                   ` Felipe Balbi
2016-03-30 11:24                     ` Felipe Balbi
2016-03-31  5:33                     ` Baolin Wang
2016-03-31  5:33                       ` Baolin Wang
2016-03-31  6:18                       ` Felipe Balbi
2016-03-31  6:18                         ` Felipe Balbi
2016-03-31  6:35                         ` Baolin Wang
2016-03-31  6:35                           ` Baolin Wang
2016-03-31  5:22                   ` Baolin Wang
2016-03-31  5:22                     ` Baolin Wang
2016-03-31  6:12                     ` Jun Li
2016-03-31  6:12                       ` Jun Li
2016-03-31  6:37                       ` Baolin Wang
2016-03-31  6:37                         ` Baolin Wang
2016-03-31  8:15                         ` Felipe Balbi
2016-03-31  8:15                           ` Felipe Balbi
2016-03-31  8:24                           ` Baolin Wang
2016-03-31  8:24                             ` Baolin Wang

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