brightness: Add max/min flags. - system76-tools - collection of utilities for system76 laptops
HTML git clone https://git.parazyd.org/system76-tools
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---
DIR commit ac637e2e2d1466d87b5c0e784e4a186a25e87532
DIR parent 8b69faf1f1f86ff650640496914bd801bd367e60
HTML Author: parazyd <parazyd@dyne.org>
Date: Thu, 20 Oct 2022 21:08:50 +0200
brightness: Add max/min flags.
Diffstat:
M brightness.c | 28 +++++++++++++++++++++++-----
1 file changed, 23 insertions(+), 5 deletions(-)
---
DIR diff --git a/brightness.c b/brightness.c
@@ -16,21 +16,25 @@ char *argv0;
static void usage(void)
{
- die("usage: %s [-u] [-d]\n\n"
+ die("usage: %s [-u] [-d] [-z] [-x]\n\n"
" -u: brightness up by one increment\n"
- " -d: brightness down by one increment", argv0);
+ " -d: brightness down by one increment\n"
+ " -z: brightness to lowest increment\n"
+ " -x: brightness to maximum possible", argv0);
}
enum Op {
UP,
DN,
+ MN,
+ MX,
};
int main(int argc, char *argv[])
{
enum Op op = 0;
int max, cur, inc;
- int uflag = 0, dflag = 0;
+ int uflag = 0, dflag = 0, minflag = 0, maxflag = 0;
size_t len, nread;
char *line = NULL;
FILE *fd;
@@ -44,11 +48,19 @@ int main(int argc, char *argv[])
dflag = 1;
op = DN;
break;
+ case 'z':
+ minflag = 1;
+ op = MN;
+ break;
+ case 'x':
+ maxflag = 1;
+ op = MX;
+ break;
default:
usage();
} ARGEND;
- if ((uflag && dflag) || (!dflag && !uflag))
+ if ((uflag && dflag) || (maxflag && minflag))
usage();
/* Find out max brightness */
@@ -62,7 +74,7 @@ int main(int argc, char *argv[])
max = atoi(line);
free(line);
line = NULL;
-
+
/* Here the number of available increments can be configured */
inc = max / 20;
@@ -84,6 +96,12 @@ int main(int argc, char *argv[])
case DN:
fprintf(fd, "%d", cur - inc < 1 ? 1 : cur - inc);
break;
+ case MN:
+ fprintf(fd, "%d", inc);
+ break;
+ case MX:
+ fprintf(fd, "%d", max);
+ break;
}
fclose(fd);