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: Kate Stewart <kstewart@linuxfoundation.org>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
David Airlie <airlied@linux.ie>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Thierry Reding <thierry.reding@gmail.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Sam Ravnborg <sam@ravnborg.org>, Jonathan Corbet <corbet@lwn.net>,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
Russell King <linux@armlinux.org.uk>,
Andy Gross <agross@kernel.org>,
Uwe Kleine Konig <u.kleine-koenig@pengutronix.de>,
linux-pwm@vger.kernel.org,
Michael Hennerich <michael.hennerich@analog.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Jani Nikula <jani.nikula@intel.com>,
linux-arm-msm@vger.kernel.org, Jyri Sarha <jsarha@ti.com>,
Thomas Gleixner <tglx@linutronix.de>,
Allison Randal <allison@lohutok.net>,
Support Opensource <support.opensource@diasemi.com>,
patches@opensource.cirrus.com,
Douglas Anderson <dianders@chromium.org>,
Zheng Bin <zhengbin13@huawei.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
Enrico Weigelt <info@metux.net>
Subject: [PATCH v1 07/18] backlight: refactor fb_notifier_callback()
Date: Thu, 14 May 2020 21:09:50 +0200 [thread overview]
Message-ID: <20200514191001.457441-8-sam@ravnborg.org> (raw)
In-Reply-To: <20200514191001.457441-1-sam@ravnborg.org>
Increase readability of fb_notifier_callback() by removing
a few indent levels.
No functional change.
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>
---
drivers/video/backlight/backlight.c | 43 +++++++++++++++--------------
1 file changed, 22 insertions(+), 21 deletions(-)
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 91dfcf4a2087..5e08f4f1c99a 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -58,28 +58,29 @@ static int fb_notifier_callback(struct notifier_block *self,
bd = container_of(self, struct backlight_device, fb_notif);
mutex_lock(&bd->ops_lock);
- if (bd->ops)
- if (!bd->ops->check_fb ||
- bd->ops->check_fb(bd, evdata->info)) {
- fb_blank = *(int *)evdata->data;
- if (fb_blank == FB_BLANK_UNBLANK &&
- !bd->fb_bl_on[node]) {
- bd->fb_bl_on[node] = true;
- if (!bd->use_count++) {
- bd->props.state &= ~BL_CORE_FBBLANK;
- bd->props.fb_blank = FB_BLANK_UNBLANK;
- backlight_update_status(bd);
- }
- } else if (fb_blank != FB_BLANK_UNBLANK &&
- bd->fb_bl_on[node]) {
- bd->fb_bl_on[node] = false;
- if (!(--bd->use_count)) {
- bd->props.state |= BL_CORE_FBBLANK;
- bd->props.fb_blank = fb_blank;
- backlight_update_status(bd);
- }
- }
+
+ if (!bd->ops)
+ goto out;
+ if (bd->ops->check_fb && !bd->ops->check_fb(bd, evdata->info))
+ goto out;
+
+ fb_blank = *(int *)evdata->data;
+ if (fb_blank == FB_BLANK_UNBLANK && !bd->fb_bl_on[node]) {
+ bd->fb_bl_on[node] = true;
+ if (!bd->use_count++) {
+ bd->props.state &= ~BL_CORE_FBBLANK;
+ bd->props.fb_blank = FB_BLANK_UNBLANK;
+ backlight_update_status(bd);
+ }
+ } else if (fb_blank != FB_BLANK_UNBLANK && bd->fb_bl_on[node]) {
+ bd->fb_bl_on[node] = false;
+ if (!(--bd->use_count)) {
+ bd->props.state |= BL_CORE_FBBLANK;
+ bd->props.fb_blank = fb_blank;
+ backlight_update_status(bd);
}
+ }
+out:
mutex_unlock(&bd->ops_lock);
return 0;
}
--
2.25.1
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next prev parent reply other threads:[~2020-05-14 19:10 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-14 19:09 [PATCH v1 0/18] backlight updates Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 01/18] drm/omap: display: use devm_of_find_backlight Sam Ravnborg
2020-05-15 8:24 ` Tomi Valkeinen
2020-05-17 12:58 ` Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 02/18] drm/tilcdc: " Sam Ravnborg
2020-05-15 8:25 ` Tomi Valkeinen
2020-05-17 12:58 ` Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 03/18] video: amba-clcd: " Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 04/18] backlight: make of_find_backlight static Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 05/18] backlight: drop backlight_put() Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 06/18] backlight: make of_find_backlight_by_node() static Sam Ravnborg
2020-05-15 20:42 ` Sam Ravnborg
2020-05-14 19:09 ` Sam Ravnborg [this message]
2020-05-14 19:09 ` [PATCH v1 08/18] backlight: add backlight_is_blank() Sam Ravnborg
2020-05-14 19:41 ` Daniel Vetter
2020-05-14 19:46 ` Sam Ravnborg
2020-05-14 20:03 ` Daniel Vetter
2020-05-14 19:09 ` [PATCH v1 09/18] backlight: improve backlight_ops documentation Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 10/18] backlight: improve backlight_properties documentation Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 11/18] backlight: improve backlight_device documentation Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 12/18] backlight: document inline functions in backlight.h Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 13/18] backlight: document enums " Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 14/18] backlight: remove the unused backlight_bl driver Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 15/18] backlight: drop extern from prototypes Sam Ravnborg
2020-05-14 19:09 ` [PATCH v1 16/18] backlight: add overview and update existing doc Sam Ravnborg
2020-05-14 19:10 ` [PATCH v1 17/18] backlight: wire up kernel-doc documentation Sam Ravnborg
2020-05-14 19:10 ` [PATCH v1 18/18] backlight: use backlight_is_blank() in all backlight drivers Sam Ravnborg
2020-05-15 20:48 ` [PATCH v1 0/18] backlight updates Sam Ravnborg
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