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From: Daniel Thompson <daniel.thompson@linaro.org>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: dri-devel@lists.freedesktop.org,
	Jingoo Han <jingoohan1@gmail.com>,
	Lee Jones <lee.jones@linaro.org>, Andy Gross <agross@kernel.org>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Daniel Vetter <daniel.vetter@ffwll.ch>,
	David Airlie <airlied@linux.ie>,
	Emil Velikov <emil.l.velikov@gmail.com>,
	Jonathan Corbet <corbet@lwn.net>,
	linux-arm-msm@vger.kernel.org, linux-pwm@vger.kernel.org,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Michael Hennerich <michael.hennerich@analog.com>,
	patches@opensource.cirrus.com,
	Support Opensource <support.opensource@diasemi.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Uwe
Subject: Re: [PATCH v4 16/20] backlight: jornada720_bl: introduce backlight_is_blank()
Date: Wed, 8 Jul 2020 12:12:33 +0100	[thread overview]
Message-ID: <20200708111233.ui6r6bvdchj3vboj@holly.lan> (raw)
In-Reply-To: <20200703184546.144664-17-sam@ravnborg.org>

On Fri, Jul 03, 2020 at 08:45:42PM +0200, Sam Ravnborg wrote:
> Use the backlight_is_blank() helper to simplify the code a bit.
> This add support for fb_blank as a side-effect.
> 
> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> Cc: Lee Jones <lee.jones@linaro.org>
> Cc: Daniel Thompson <daniel.thompson@linaro.org>
> Cc: Jingoo Han <jingoohan1@gmail.com>

This driver exhibits the "how does userspace know what writing brightness zero to
sysfs actually does" problem so can't use the backlight_get_brightness() helper.

If you respin it would be good to see that in the patch description but
that's such an extreme nitpick It think, either way, this can be:

Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>


Daniel.

  reply	other threads:[~2020-07-08 11:12 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-03 18:45 [PATCH v4 0/20] backlight: backlight updates Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 01/20] backlight: refactor fb_notifier_callback() Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 02/20] backlight: add backlight_is_blank() Sam Ravnborg
2020-07-07  5:42   ` Daniel Vetter
2020-07-03 18:45 ` [PATCH v4 03/20] backlight: improve backlight_ops documentation Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 04/20] backlight: improve backlight_properties documentation Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 05/20] backlight: improve backlight_device documentation Sam Ravnborg
2020-07-08 10:23   ` Daniel Thompson
2020-07-16 14:39   ` Lee Jones
2020-07-16 15:00     ` Sam Ravnborg
2020-07-16 15:09       ` Lee Jones
2020-07-18  5:18   ` Jingoo Han
2020-07-18  6:00     ` Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 06/20] backlight: document inline functions in backlight.h Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 07/20] backlight: document enums " Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 08/20] backlight: remove the unused backlight_bl driver Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 09/20] backlight: drop extern from prototypes Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 10/20] backlight: add overview and update existing doc Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 11/20] backlight: wire up kernel-doc documentation Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 12/20] backlight: introduce backlight_get_brightness() Sam Ravnborg
2020-07-08 10:27   ` Daniel Thompson
2020-07-03 18:45 ` [PATCH v4 13/20] backlight: as3711_bl: simplify update_status Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 14/20] backlight: cr_bllcd: introduce backlight_is_blank() Sam Ravnborg
2020-07-08 11:06   ` Daniel Thompson
2020-07-03 18:45 ` [PATCH v4 15/20] backlight: gpio_backlight: simplify update_status() Sam Ravnborg
2020-07-08 11:07   ` Daniel Thompson
2020-07-03 18:45 ` [PATCH v4 16/20] backlight: jornada720_bl: introduce backlight_is_blank() Sam Ravnborg
2020-07-08 11:12   ` Daniel Thompson [this message]
2020-07-03 18:45 ` [PATCH v4 17/20] backlight: use backligt_get_brightness() Sam Ravnborg
2020-07-07  5:48   ` Daniel Vetter
2020-07-07 19:59     ` Sam Ravnborg
2020-07-07 20:15       ` Daniel Vetter
2020-07-07 20:23         ` Sam Ravnborg
2020-07-08 11:14   ` Daniel Thompson
2020-07-03 18:45 ` [PATCH v4 18/20] backlight: drop backlight_put() Sam Ravnborg
2020-07-03 18:45 ` [PATCH v4 19/20] backlight: make of_find_backlight static Sam Ravnborg
2020-07-08 11:17   ` Daniel Thompson
2020-07-03 18:45 ` [PATCH v4 20/20] backlight: make of_find_backlight_by_node() static Sam Ravnborg
2020-07-07 21:46   ` kernel test robot

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