commit 4592266c79b14d22e1ec93b969f91ea188174672
parent 0d490a15463d6fe4d5cf50fe74f5b7d29573ba15
Author: Son Phan Trung <phantrungson17@gmail.com>
Date: Sat, 27 Jan 2024 21:52:24 +0700
slstatus(patches/backlight): Add updated patch
This updated patch enables FreeBSD support:
- The text in index.md was removed in favor of the new patch.
- For details, see the patch.
Diffstat:
2 files changed, 153 insertions(+), 0 deletions(-)
diff --git a/tools.suckless.org/slstatus/patches/backlight/index.md b/tools.suckless.org/slstatus/patches/backlight/index.md
@@ -15,9 +15,12 @@ possible without dirty hacks.
Download
--------
* [slstatus-backlight-4bd78c9.diff](slstatus-backlight-4bd78c9.diff)
+Updated patch, with FreeBSD support:
+* [slstatus-backlight-20240127-f68f492.diff](slstatus-backlight-20240127-f68f492.diff)
Authors
-------
* Tobias Tschinkowitz <he4d@posteo.de>
* David Demelier <markand@malikania.fr>
* drkhsh <me@drkhsh.at>
+* Son Phan Trung <phantrungson17@gmail.com> (FreeBSD support)
diff --git a/tools.suckless.org/slstatus/patches/backlight/slstatus-backlight-20240127-f68f492.diff b/tools.suckless.org/slstatus/patches/backlight/slstatus-backlight-20240127-f68f492.diff
@@ -0,0 +1,150 @@
+From aadea01ca9cd99932500f4988d7c57f6bc5fa6c5 Mon Sep 17 00:00:00 2001
+From: Son Phan Trung <phantrungson17@gmail.com>
+Date: Sat, 27 Jan 2024 21:10:41 +0700
+Subject: [PATCH] Add backlight module for slstatus.
+
+FreeBSD support is added, with these things to keep in mind:
+- Device names are numbered compared to Linux (e.g. "intel_backlight0" instead "intel_backlight).
+- Max number is hardcoded to 100.
+---
+ Makefile | 1 +
+ components/backlight.c | 86 ++++++++++++++++++++++++++++++++++++++++++
+ config.def.h | 3 ++
+ slstatus.h | 3 ++
+ 4 files changed, 93 insertions(+)
+ create mode 100644 components/backlight.c
+
+diff --git a/Makefile b/Makefile
+index 7a18274..a7eacfa 100644
+--- a/Makefile
++++ b/Makefile
+@@ -6,6 +6,7 @@ include config.mk
+
+ REQ = util
+ COM =\
++ components/backlight\
+ components/battery\
+ components/cat\
+ components/cpu\
+diff --git a/components/backlight.c b/components/backlight.c
+new file mode 100644
+index 0000000..46240f6
+--- /dev/null
++++ b/components/backlight.c
+@@ -0,0 +1,86 @@
++/* See LICENSE file for copyright and license details. */
++
++#include <stddef.h>
++
++#include "../util.h"
++
++#if defined(__linux__)
++ #include <limits.h>
++
++ #define BRIGHTNESS_MAX "/sys/class/backlight/%s/max_brightness"
++ #define BRIGHTNESS_CUR "/sys/class/backlight/%s/brightness"
++
++ const char *
++ backlight_perc(const char *card)
++ {
++ char path[PATH_MAX];
++ int max, cur;
++
++ if (esnprintf(path, sizeof (path), BRIGHTNESS_MAX, card) < 0 ||
++ pscanf(path, "%d", &max) != 1) {
++ return NULL;
++ }
++
++ if (esnprintf(path, sizeof (path), BRIGHTNESS_CUR, card) < 0 ||
++ pscanf(path, "%d", &cur) != 1) {
++ return NULL;
++ }
++
++ if (max == 0) {
++ return NULL;
++ }
++
++ return bprintf("%d%%", cur * 100 / max);
++ }
++#elif defined(__OpenBSD__)
++ #include <fcntl.h>
++ #include <sys/ioctl.h>
++ #include <sys/time.h>
++ #include <dev/wscons/wsconsio.h>
++
++ const char *
++ backlight_perc(const char *unused)
++ {
++ int fd, err;
++ struct wsdisplay_param wsd_param = {
++ .param = WSDISPLAYIO_PARAM_BRIGHTNESS
++ };
++
++ if ((fd = open("/dev/ttyC0", O_RDONLY)) < 0) {
++ warn("could not open /dev/ttyC0");
++ return NULL;
++ }
++ if ((err = ioctl(fd, WSDISPLAYIO_GETPARAM, &wsd_param)) < 0) {
++ warn("ioctl 'WSDISPLAYIO_GETPARAM' failed");
++ return NULL;
++ }
++ return bprintf("%d", wsd_param.curval * 100 / wsd_param.max);
++ }
++#elif defined(__FreeBSD__)
++ #include <fcntl.h>
++ #include <stdio.h>
++ #include <sys/ioctl.h>
++ #include <sys/backlight.h>
++
++ #define FBSD_BACKLIGHT_DEV "/dev/backlight/%s"
++
++ const char *
++ backlight_perc(const char *card)
++ {
++ char buf[256];
++ struct backlight_props props;
++ int fd;
++
++ snprintf(buf, sizeof(buf), FBSD_BACKLIGHT_DEV, card);
++ if ((fd = open(buf, O_RDWR)) == -1) {
++ warn("could not open %s", card);
++ return NULL;
++ }
++ if (ioctl(fd, BACKLIGHTGETSTATUS, &props) == -1){
++ warn("Cannot query the backlight device");
++ return NULL;
++ }
++
++ return bprintf("%d", props.brightness);
++ }
++#endif
+diff --git a/config.def.h b/config.def.h
+index d805331..d56051d 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -12,6 +12,9 @@ static const char unknown_str[] = "n/a";
+ /*
+ * function description argument (example)
+ *
++ * backlight_perc backlight percentage device name
++ * (intel_backlight, numbered on FreeBSD)
++ * NULL on OpenBSD
+ * battery_perc battery percentage battery name (BAT0)
+ * NULL on OpenBSD/FreeBSD
+ * battery_remaining battery remaining HH:MM battery name (BAT0)
+diff --git a/slstatus.h b/slstatus.h
+index 8ef5874..dc7e2d0 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 *);
++
+ /* battery */
+ const char *battery_perc(const char *);
+ const char *battery_remaining(const char *);
+--
+2.42.0
+
