added backlight_perc

PKGBUILD

@@ -12,6 +12,7 @@ license=('custom:ISC')
 
 _patches=(
         "seperator-20180305-f4e35fa.diff"
+        "backlight-20180305-85a4a18.diff"
         )
 
 source=("git+https://git.suckless.org/${pkgname%-git}"
@@ -19,8 +20,9 @@ source=("git+https://git.suckless.org/${pkgname%-git}"
         "${_patches[@]}")
 
 md5sums=('SKIP'
-         'b928045f39e259a1fa526e18b1ce8dc1'
-         '24ea93ef665decc0315248f62aa65f44')
+         '9a36cf69d3a7318fffad5535f3e0fed5'
+         '24ea93ef665decc0315248f62aa65f44'
+         '58404d0af1893f560926daf605a79919')
 
 pkgver() {
     cd "${pkgname%-git}"

backlight-20180305-85a4a18.diff

@@ -0,0 +1,95 @@
+From 85a4a1822108d84c50d383211c4092a2aed7e7b4 Mon Sep 17 00:00:00 2001
+From: Ryan Kes <alrayyes@gmail.com>
+Date: Sun, 10 Mar 2019 21:12:49 +0100
+Subject: [PATCH] Add linux support for backlight
+
+---
+ Makefile               |  1 +
+ components/backlight.c | 36 ++++++++++++++++++++++++++++++++++++
+ config.def.h           |  1 +
+ slstatus.h             |  3 +++
+ 4 files changed, 41 insertions(+)
+ create mode 100644 components/backlight.c
+
+diff --git a/Makefile b/Makefile
+index 20796b3..c93032f 100644
+--- a/Makefile
++++ b/Makefile
+@@ -6,6 +6,7 @@ include config.mk
+ 
+ REQ = util
+ COM =\
++	components/backlight\
+ 	components/battery\
+ 	components/cpu\
+ 	components/datetime\
+diff --git a/components/backlight.c b/components/backlight.c
+new file mode 100644
+index 0000000..fcc062a
+--- /dev/null
++++ b/components/backlight.c
+@@ -0,0 +1,36 @@
++/* See LICENSE file for copyright and license details. */
++#include <stdio.h>
++#include <string.h>
++
++#include "../util.h"
++
++#if defined(__linux__)
++	#include <limits.h>
++	#include <stdint.h>
++	#include <unistd.h>
++
++	const char *
++		backlight_perc(const char *backlight)
++		{
++			float value;
++			char path[PATH_MAX];
++
++			if (esnprintf(path, sizeof(path),
++				"/sys/class/backlight/%s/actual_brightness", backlight) < 0) {
++				return NULL;
++			}
++			if (pscanf(path, "%f", &value) != 1) {
++				return NULL;
++			}
++
++			return bprintf("%d", (int)(value / 852 * 100));
++		}
++
++#else
++	const char *
++		backlight_perc(const char *backlight)
++		{
++			return NULL;
++		}
++
++#endif
+diff --git a/config.def.h b/config.def.h
+index af289e5..d2f7045 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -12,6 +12,7 @@ static const char unknown_str[] = "n/a";
+ /*
+  * function            description                     argument (example)
+  *
++ * backlight_perc      backlight percentage            backlight name (intel_backlight)
+  * battery_perc        battery percentage              battery name (BAT0)
+  *                                                     NULL on OpenBSD/FreeBSD
+  * battery_state       battery charging state          battery name (BAT0)
+diff --git a/slstatus.h b/slstatus.h
+index 78aef21..a46f276 100644
+--- a/slstatus.h
++++ b/slstatus.h
+@@ -1,5 +1,8 @@
+ /* See LICENSE file for copyright and license details. */
+ 
++/* backlight */
++const char *backlight_perc(const char *backlight);
++
+ /* battery */
+ const char *battery_perc(const char *);
+ const char *battery_state(const char *);
+-- 
+2.21.0
+

config.h

@@ -73,13 +73,13 @@ static const struct arg args[] = {
     { battery_perc, "\x0C  %s%%", "BAT0" },
     { battery_remaining, " %s ", "BAT0"  },
     { seperator, "\x0D", NULL },
-    /* { run_command, "\x0E  %s%% ", "/bin/sh -c \"xbacklight -get | xargs printf '%.*f\n' 0 \"" }, */
-    /* { seperator, "\x0F", NULL }, */
+    { backlight_perc, "\x0E  %s%% ", "intel_backlight" },
+    { seperator, "\x0F", NULL },
     { disk_perc, "\x10 / %s%%", "/" },
     { disk_perc, "  %s%% ", "/home" },
-    { seperator, "\x11", NULL },
-    /* { run_command, "\x12 蓼 %s%% ", "/bin/sh -c \"amixer get Master | tail -n1 | grep -Po '\\[\\K[^%]*' | head -n1\"" }, */
-    /* { seperator, "\x13", NULL }, */
+    //{ seperator, "\x11", NULL },
+    //{ run_command, "\x12 蓼 %s%% ", "/bin/sh -c \"amixer get Master | tail -n1 | grep -Po '\\[\\K[^%]*' | head -n1\"" },
+    { seperator, "\x13", NULL },
     { ram_perc, "\x14  %s%% ", NULL },
     { seperator, "\x15", NULL },
     { load_avg, "\x16  %s ", NULL },