From: Jungrae Kim <jryu.kim@samsung.com>
To: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
HyungJae Im <hj2.im@samsung.com>
Cc: "manivannan.sadhasivam@linaro.org"
<manivannan.sadhasivam@linaro.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-input@vger.kernel.org" <linux-input@vger.kernel.org>,
"rydberg@bitmath.org" <rydberg@bitmath.org>,
Jungrae Kim <jryu.kim@samsung.com>
Subject: Re: (3) [PATCH v2] input: add 2 kind of switch
Date: Fri, 30 Oct 2020 20:28:12 +0900 [thread overview]
Message-ID: <20201030112812epcms1p7d031bb4949b319135e48dfac9409743b@epcms1p7> (raw)
In-Reply-To: <20201030104628.GB2395528@kroah.com>
> On Fri, Oct 30, 2020 at 01:39:16PM +0900, HyungJae Im wrote:
> > Hello, This is Hyungjae Im from Samsung Electronics.
> > Let me answer your questions inline.
> >
> > >On Thu, Oct 29, 2020 at 10:27:47PM +0900, HyungJae Im wrote:
> > >> From: "hj2.im" <hj2.im@samsung.com>
> > >> Date: Thu, 29 Oct 2020 22:11:24 +0900
> > >> Subject: [PATCH v2] input: add 2 kind of switch
> > >
> > >Why is this in the body of that patch?
> >
> > I read "how to send your first kernel patch", but still making so many mistakes.
> > I will be cautious with this.
> >
> > >>
> > >> We need support to various accessories on the device,
> > >> some switch does not exist in switch list.
> > >> So added switch for the following purpose.
> > >>
> > >> SW_COVER_ATTACHED is for the checking the cover
> > >> attached or not on the device. SW_EXT_PEN_ATTACHED is for the
> > >> checking the external pen attached or not on the device
> > >
> > >You didn't answer the previous question as to why the existing values do
> > >not work for you instead of having to create new ones?
> >
> > I think I should clarify this part the most for this review.
> > As you know, new added events both has similar existing events,
> > but it has to operate separately.
> >
> > First, SW_COVER_ATTACHED is similar with SW_MACHINE_COVER.
> > We need two events for our cover interaction.
> > One is to detect if flip cover is open/closed(covers screen or not),
> > and one is for detecting if cover is attached(detect if device is put into cover).
> > With the second event, we send event for attachment and start authentication
> > distinguishing if it was Samsung made cover.
> >
> > Second, SW_EXT_PEN_ATTACHED detects if pen is attached externally on tablet models.
> > It is different with SW_PEN_INSERTED since this is detecting pens like our NOTE series.
> > SW_EXT_PEN_ATTACHED has an unique role to set wacom tuning table differently
> > while pen is attached/detached.
>
> All of that needs to go in the changelog text for the individual patches
> when you submit them.
>
> But as Dmitry pointed out, it doesn't look like either of these drivers
> are needed at all, just use the gpio-keys driver instead.
>
> thanks,
>
> greg k-h
Can you accept V1 patch? or need to add a change of device tree?
Please let me know what do I do now.
next prev parent reply other threads:[~2020-10-30 11:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20201029132747epcms1p8fae559dff47bf0eebdcc9f94efd9a1bf@epcms1p8>
2020-10-29 13:27 ` [PATCH v2] input: add 2 kind of switch HyungJae Im
2020-10-29 13:41 ` Barnabás Pőcze
2020-10-29 13:54 ` gregkh
2020-10-29 14:36 ` Barnabás Pőcze
2020-10-29 13:57 ` gregkh
2020-10-29 17:45 ` Dmitry Torokhov
[not found] ` <CGME20201029132747epcms1p8fae559dff47bf0eebdcc9f94efd9a1bf@epcms1p3>
2020-10-30 4:39 ` HyungJae Im
2020-10-30 10:46 ` (2) " gregkh
[not found] ` <CGME20201029132747epcms1p8fae559dff47bf0eebdcc9f94efd9a1bf@epcms1p7>
2020-10-30 11:28 ` Jungrae Kim [this message]
2020-10-30 11:41 ` (3) " gregkh
[not found] ` <CGME20201029132747epcms1p8fae559dff47bf0eebdcc9f94efd9a1bf@epcms1p4>
2020-10-30 11:59 ` Jungrae Kim
2020-10-30 12:19 ` gregkh
[not found] ` <CGME20201029132747epcms1p8fae559dff47bf0eebdcc9f94efd9a1bf@epcms1p2>
2020-10-30 13:15 ` [PATCH] Input: add SW_COVER_ATTACHED and SW_EXT_PEN_ATTACHED Jungrae Kim
2020-10-30 15:41 ` Sebastian Reichel
2020-10-30 15:54 ` Jungrae Kim
2020-11-02 12:35 ` [PATCH v2] input: add 2 kind of switch kernel test robot
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