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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2020-11-23 08:17:04 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2020-11-23 14:35:14 +0100 |
| commit | 8dc1ad04c2f580f11967402a372fdc3ef55dbfe2 (patch) | |
| tree | f112eb61a0a143f513ddc061733c9157e45ca4a9 /src/backlight | |
| parent | networkd/dhcp6: allow layer3 devices without MAC (diff) | |
| download | systemd-8dc1ad04c2f580f11967402a372fdc3ef55dbfe2.tar.xz systemd-8dc1ad04c2f580f11967402a372fdc3ef55dbfe2.zip | |
backlight: add several debug logs and adjust log level of non critical error
This may help to investigate issues.
Diffstat (limited to 'src/backlight')
| -rw-r--r-- | src/backlight/backlight.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/backlight/backlight.c b/src/backlight/backlight.c index 83b168532a..d1b6a81e33 100644 --- a/src/backlight/backlight.c +++ b/src/backlight/backlight.c @@ -252,6 +252,7 @@ static int get_max_brightness(sd_device *device, unsigned *ret) { if (max_brightness <= 0) return log_device_warning_errno(device, SYNTHETIC_ERRNO(EINVAL), "Maximum brightness is 0, ignoring device."); + log_device_debug(device, "Maximum brightness is %u", max_brightness); *ret = max_brightness; return 0; } @@ -348,6 +349,7 @@ static int read_brightness(sd_device *device, unsigned max_brightness, unsigned goto use_brightness; } + log_device_debug(device, "Current actual_brightness is %u", brightness); *ret_brightness = brightness; return 0; } @@ -366,6 +368,7 @@ use_brightness: "brightness=%u is larger than max_brightness=%u", brightness, max_brightness); + log_device_debug(device, "Current brightness is %u", brightness); *ret_brightness = brightness; return 0; } @@ -456,10 +459,11 @@ static int run(int argc, char *argv[]) { if (r > 0) { r = safe_atou(value, &brightness); if (r < 0) { - log_error_errno(r, "Failed to parse saved brightness '%s', removing %s.", - value, saved); + log_warning_errno(r, "Failed to parse saved brightness '%s', removing %s.", + value, saved); (void) unlink(saved); } else { + log_debug("Using saved brightness %u.", brightness); if (clamp) (void) clamp_brightness(device, true, max_brightness, &brightness); |