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From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Jingoo Han <jg1.han@samsung.com>,
	'Kyungmin Park' <kmpark@infradead.org>,
	'Henrique de Moraes Holschuh' <ibm-acpi@hmh.eng.br>,
	linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	kay@vrfy.org, 'Richard Purdie' <rpurdie@rpsys.net>,
	ibm-acpi-devel@lists.sourceforge.net,
	platform-driver-x86@vger.kernel.org
Subject: Re: [PATCH] video: backlight: Remove backlight sysfs uevent
Date: Wed, 20 Nov 2013 23:40:59 +0000	[thread overview]
Message-ID: <1384990859.20536.4.camel@x230> (raw)
In-Reply-To: <20131112005628.GA2914@khazad-dum.debian.net>

On Mon, 2013-11-11 at 22:56 -0200, Henrique de Moraes Holschuh wrote:
> On Tue, 12 Nov 2013, Jingoo Han wrote:
> > 'thinkpad_acpi.c' uses the 'BACKLIGHT_UPDATE_SYSFS'.
> > Henrique, can we remove it?
> 
> Can't you fix this by rate-limiting, or otherwise adding an attribute that
> backlight devices should set when they need to supress change events?

It looks like this is just to force synchronisation to sysfs when using
the /proc interface? In which case we should probably just kill
the /proc interface.

-- 
Matthew Garrett <matthew.garrett@nebula.com>


WARNING: multiple messages have this Message-ID (diff)
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Jingoo Han <jg1.han@samsung.com>,
	'Kyungmin Park' <kmpark@infradead.org>,
	'Henrique de Moraes Holschuh' <ibm-acpi@hmh.eng.br>,
	linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	kay@vrfy.org, 'Richard Purdie' <rpurdie@rpsys.net>,
	ibm-acpi-devel@lists.sourceforge.net,
	platform-driver-x86@vger.kernel.org
Subject: Re: [PATCH] video: backlight: Remove backlight sysfs uevent
Date: Wed, 20 Nov 2013 18:40:59 -0500	[thread overview]
Message-ID: <1384990859.20536.4.camel@x230> (raw)
In-Reply-To: <20131112005628.GA2914@khazad-dum.debian.net>

On Mon, 2013-11-11 at 22:56 -0200, Henrique de Moraes Holschuh wrote:
> On Tue, 12 Nov 2013, Jingoo Han wrote:
> > 'thinkpad_acpi.c' uses the 'BACKLIGHT_UPDATE_SYSFS'.
> > Henrique, can we remove it?
> 
> Can't you fix this by rate-limiting, or otherwise adding an attribute that
> backlight devices should set when they need to supress change events?

It looks like this is just to force synchronisation to sysfs when using
the /proc interface? In which case we should probably just kill
the /proc interface.

-- 
Matthew Garrett <matthew.garrett@nebula.com>

  parent reply	other threads:[~2013-11-20 23:40 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-11 23:57 [PATCH] video: backlight: Remove backlight sysfs uevent Kyungmin Park
2013-11-11 23:57 ` Kyungmin Park
2013-11-12  0:18 ` Jingoo Han
2013-11-12  0:18   ` Jingoo Han
2013-11-12  0:56   ` Henrique de Moraes Holschuh
2013-11-12  0:56     ` Henrique de Moraes Holschuh
2013-11-12  1:07     ` Kyungmin Park
2013-11-12  1:07       ` Kyungmin Park
2013-11-12  1:19     ` Kay Sievers
2013-11-12  1:19       ` Kay Sievers
2013-11-12  2:08       ` Kyungmin Park
2013-11-12  2:08         ` Kyungmin Park
2013-11-12  2:22         ` Kay Sievers
2013-11-12  2:22           ` Kay Sievers
2013-11-20 23:40     ` Matthew Garrett [this message]
2013-11-20 23:40       ` Matthew Garrett
2013-11-21 11:43       ` Henrique de Moraes Holschuh
2013-11-21 11:43         ` Henrique de Moraes Holschuh
2013-11-21 14:33         ` Matthew Garrett
2013-11-22 11:36           ` Henrique de Moraes Holschuh
2013-11-22 11:36             ` Henrique de Moraes Holschuh
2013-11-22 17:15             ` Matthew Garrett
2013-11-24  0:40               ` [ibm-acpi-devel] " Henrique de Moraes Holschuh
2013-11-24  0:40                 ` Henrique de Moraes Holschuh
2013-11-24  1:02                 ` Matthew Garrett
2013-11-24  3:53                   ` Henrique de Moraes Holschuh
2013-11-24  3:53                     ` Henrique de Moraes Holschuh
2013-12-16  7:53                     ` Andrew Morton
2013-12-16  7:53                       ` Andrew Morton
2013-12-18 11:27                       ` Henrique de Moraes Holschuh
2013-11-12  0:44 ` Kyungmin Park
2013-11-12  0:44   ` Kyungmin Park
2013-11-12  0:54   ` Kyungmin Park
2013-11-12  0:54     ` Kyungmin Park

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