From: Sam Ravnborg <sam@ravnborg.org>
To: dri-devel@lists.freedesktop.org,
Jingoo Han <jingoohan1@gmail.com>,
Lee Jones <lee.jones@linaro.org>,
Daniel Thompson <daniel.thompson@linaro.org>
Cc: 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 Kleine-Konig <u.kleine-koenig@pengutronix.de>,
Peter Ujfalusi <peter.ujfalusi@ti.com>, Tomi Valkeinen <tomi.v>
Subject: [PATCH v5 16/19] backlight: jornada720_bl: introduce backlight_is_blank()
Date: Sun, 19 Jul 2020 10:07:40 +0200 [thread overview]
Message-ID: <20200719080743.8560-17-sam@ravnborg.org> (raw)
In-Reply-To: <20200719080743.8560-1-sam@ravnborg.org>
Use the backlight_is_blank() helper to simplify the code a bit.
The jornada720_bl driver distingush between backlight off
and brightness set to 0.
Thus this driver turn off backlight only when backlight_is_blank()
returns true.
v2:
- Updated changelog (Daniel)
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jingoo Han <jingoohan1@gmail.com>
---
drivers/video/backlight/jornada720_bl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c
index f0385f9cf9da..996f7ba3b373 100644
--- a/drivers/video/backlight/jornada720_bl.c
+++ b/drivers/video/backlight/jornada720_bl.c
@@ -54,7 +54,7 @@ static int jornada_bl_update_status(struct backlight_device *bd)
jornada_ssp_start();
/* If backlight is off then really turn it off */
- if ((bd->props.power != FB_BLANK_UNBLANK) || (bd->props.fb_blank != FB_BLANK_UNBLANK)) {
+ if (backlight_is_blank(bd)) {
ret = jornada_ssp_byte(BRIGHTNESSOFF);
if (ret != TXDUMMY) {
dev_info(&bd->dev, "brightness off timeout\n");
--
2.25.1
next prev parent reply other threads:[~2020-07-19 8:08 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-19 8:07 [PATCH v5 0/19] backlight: backlight updates Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 01/19] backlight: refactor fb_notifier_callback() Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 02/19] backlight: add backlight_is_blank() Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 03/19] backlight: improve backlight_ops documentation Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 04/19] backlight: improve backlight_properties documentation Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 05/19] backlight: improve backlight_device documentation Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 06/19] backlight: document inline functions in backlight.h Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 07/19] backlight: document enums " Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 08/19] backlight: remove the unused backlight_bl driver Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 09/19] backlight: drop extern from prototypes Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 10/19] backlight: add overview and update existing doc Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 11/19] backlight: wire up kernel-doc documentation Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 12/19] backlight: introduce backlight_get_brightness() Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 13/19] backlight: as3711_bl: simplify update_status Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 14/19] backlight: cr_bllcd: introduce gpio-backlight semantics Sam Ravnborg
2020-07-20 8:48 ` Daniel Thompson
2020-07-20 9:14 ` Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 15/19] backlight: gpio_backlight: simplify update_status() Sam Ravnborg
2020-07-19 8:07 ` Sam Ravnborg [this message]
2020-07-19 8:07 ` [PATCH v5 17/19] backlight: use backlight_get_brightness() Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 18/19] backlight: drop backlight_put() Sam Ravnborg
2020-07-19 8:07 ` [PATCH v5 19/19] backlight: make of_find_backlight static Sam Ravnborg
2020-07-20 9:36 ` [PATCH v5 0/19] backlight: backlight updates Lee Jones
2020-07-20 11:01 ` Sam Ravnborg
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