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From: Greg KH <gregkh@linuxfoundation.org>
To: Jean Delvare <jdelvare@suse.de>
Cc: Sasha Levin <sashal@kernel.org>,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	Allen Ballway <ballway@chromium.org>,
	Jiri Kosina <jkosina@suse.cz>,
	jikos@kernel.org, benjamin.tissoires@redhat.com,
	groeck@chromium.org, alistair@alistair23.me,
	dmitry.torokhov@gmail.com, jk@codeconstruct.com.au,
	Jonathan.Cameron@huawei.com, cmo@melexis.com,
	u.kleine-koenig@pengutronix.de, linux-input@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 5.15 10/25] HID: multitouch: Add quirks for flipped axes
Date: Mon, 27 Feb 2023 15:34:46 +0100	[thread overview]
Message-ID: <Y/y/huAI8dDdiBaq@kroah.com> (raw)
In-Reply-To: <20230227132300.4a3c3fad@endymion.delvare>

On Mon, Feb 27, 2023 at 01:23:00PM +0100, Jean Delvare wrote:
> Hi Sasha,
> 
> On Sun, 26 Feb 2023 21:08:33 -0500, Sasha Levin wrote:
> > From: Allen Ballway <ballway@chromium.org>
> > 
> > [ Upstream commit a2f416bf062a38bb76cccd526d2d286b8e4db4d9 ]
> > 
> > Certain touchscreen devices, such as the ELAN9034, are oriented
> > incorrectly and report touches on opposite points on the X and Y axes.
> > For example, a 100x200 screen touched at (10,20) would report (90, 180)
> > and vice versa.
> > 
> > This is fixed by adding device quirks to transform the touch points
> > into the correct spaces, from X -> MAX(X) - X, and Y -> MAX(Y) - Y.
> > 
> > Signed-off-by: Allen Ballway <ballway@chromium.org>
> > Signed-off-by: Jiri Kosina <jkosina@suse.cz>
> > Signed-off-by: Sasha Levin <sashal@kernel.org>
> > ---
> >  drivers/hid/hid-multitouch.c             | 39 ++++++++++++++++++---
> >  drivers/hid/hid-quirks.c                 |  6 ++++
> >  drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c | 43 ++++++++++++++++++++++++
> >  drivers/hid/i2c-hid/i2c-hid.h            |  3 ++
> >  4 files changed, 87 insertions(+), 4 deletions(-)
> > (...)
> 
> Second rule of acceptance for stable patches:
> 
>  - It cannot be bigger than 100 lines, with context.
> 
> Clearly not met here.
> 
> To me, this commit is something distributions may want to backport if
> their users run are likely to run the affected hardware. But it's out
> of scope for stable kernel branches.

For new quirks and ids, this is totally fine, I do not see why we would
NOT want to take such a thing.

The 100 lines is a guideline, to make things easy to review.

thanks,

greg k-h

  reply	other threads:[~2023-02-27 14:35 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-27  2:08 [PATCH AUTOSEL 5.15 01/25] drm/amd/display: Revert Reduce delay when sink device not able to ACK 00340h write Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 02/25] drm/amd/display: Fix potential null-deref in dm_resume Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 03/25] drm/omap: dsi: Fix excessive stack usage Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 04/25] HID: Add Mapping for System Microphone Mute Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 05/25] drm/tiny: ili9486: Do not assume 8-bit only SPI controllers Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 06/25] drm/radeon: free iio for atombios when driver shutdown Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 07/25] scsi: lpfc: Fix use-after-free KFENCE violation during sysfs firmware write Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 08/25] Revert "fbcon: don't lose the console font across generic->chip driver switch" Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 09/25] drm: amd: display: Fix memory leakage Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 10/25] HID: multitouch: Add quirks for flipped axes Sasha Levin
2023-02-27 12:23   ` Jean Delvare
2023-02-27 14:34     ` Greg KH [this message]
2023-02-27 14:59     ` Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 11/25] drm/msm/dsi: Add missing check for alloc_ordered_workqueue Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 12/25] docs/scripts/gdb: add necessary make scripts_gdb step Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 13/25] ASoC: soc-compress: Reposition and add pcm_mutex Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 14/25] ASoC: kirkwood: Iterate over array indexes instead of using pointer math Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 15/25] regulator: max77802: Bounds check regulator id against opmode Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 16/25] regulator: s5m8767: Bounds check id indexing into arrays Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 17/25] gfs2: Improve gfs2_make_fs_rw error handling Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 18/25] hwmon: (coretemp) Simplify platform device handling Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 19/25] pinctrl: at91: use devm_kasprintf() to avoid potential leaks Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 20/25] scsi: snic: Fix memory leak with using debugfs_lookup() Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 21/25] HID: logitech-hidpp: Don't restart communication if not necessary Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 22/25] drm: panel-orientation-quirks: Add quirk for Lenovo IdeaPad Duet 3 10IGL5 Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 23/25] dm thin: add cond_resched() to various workqueue loops Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 24/25] dm cache: " Sasha Levin
2023-02-27  2:08 ` [PATCH AUTOSEL 5.15 25/25] nfsd: zero out pointers after putting nfsd_files on COPY setup error Sasha Levin

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