diff options
Diffstat (limited to 'src/backlight/backlight.c')
| -rw-r--r-- | src/backlight/backlight.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/src/backlight/backlight.c b/src/backlight/backlight.c index ce0385b08c..754a646c3d 100644 --- a/src/backlight/backlight.c +++ b/src/backlight/backlight.c @@ -24,6 +24,7 @@ #include "fileio.h" #include "libudev.h" #include "udev-util.h" +#include "def.h" static struct udev_device *find_pci_or_platform_parent(struct udev_device *device) { struct udev_device *parent; @@ -50,7 +51,7 @@ static struct udev_device *find_pci_or_platform_parent(struct udev_device *devic if (!c) return NULL; - c += strspn(c, "0123456789"); + c += strspn(c, DIGITS); if (*c == '-') { /* A connector DRM device, let's ignore all but LVDS and eDP! */ @@ -67,7 +68,8 @@ static struct udev_device *find_pci_or_platform_parent(struct udev_device *devic unsigned long class = 0; if (safe_atolu(value, &class) < 0) { - log_warning("Cannot parse PCI class %s of device %s:%s.", value, subsystem, sysname); + log_warning("Cannot parse PCI class %s of device %s:%s.", + value, subsystem, sysname); return NULL; } @@ -175,7 +177,9 @@ static bool validate_device(struct udev *udev, struct udev_device *device) { if (same_device(parent, other_parent)) { /* Both have the same PCI parent, that means * we are out. */ - log_debug("Skipping backlight device %s, since backlight device %s is on same PCI device and, takes precedence.", udev_device_get_sysname(device), udev_device_get_sysname(other)); + log_debug("Skipping backlight device %s, since device %s is on same PCI device and takes precedence.", + udev_device_get_sysname(device), + udev_device_get_sysname(other)); return false; } @@ -184,7 +188,9 @@ static bool validate_device(struct udev *udev, struct udev_device *device) { /* The other is connected to the platform bus * and we are a PCI device, that also means we * are out. */ - log_debug("Skipping backlight device %s, since backlight device %s is a platform device and takes precedence.", udev_device_get_sysname(device), udev_device_get_sysname(other)); + log_debug("Skipping backlight device %s, since device %s is a platform device and takes precedence.", + udev_device_get_sysname(device), + udev_device_get_sysname(other)); return false; } } @@ -199,13 +205,14 @@ static unsigned get_max_brightness(struct udev_device *device) { max_brightness_str = udev_device_get_sysattr_value(device, "max_brightness"); if (!max_brightness_str) { - log_warning("Failed to read max_brightness attribute"); + log_warning("Failed to read 'max_brightness' attribute"); return 0; } r = safe_atou(max_brightness_str, &max_brightness); if (r < 0) { - log_warning("Failed to parse max_brightness \"%s\": %s", max_brightness_str, strerror(-r)); + log_warning("Failed to parse 'max_brightness' \"%s\": %s", + max_brightness_str, strerror(-r)); return 0; } @@ -262,7 +269,8 @@ int main(int argc, char *argv[]) { r = mkdir_p("/var/lib/systemd/backlight", 0755); if (r < 0) { - log_error("Failed to create backlight directory: %s", strerror(-r)); + log_error("Failed to create backlight directory /var/lib/systemd/backlight: %s", + strerror(-r)); return EXIT_FAILURE; } @@ -274,7 +282,7 @@ int main(int argc, char *argv[]) { sysname = strchr(argv[2], ':'); if (!sysname) { - log_error("Requires pair of subsystem and sysname for specifying backlight device."); + log_error("Requires a subsystem and sysname pair specifying a backlight device."); return EXIT_FAILURE; } @@ -368,7 +376,8 @@ int main(int argc, char *argv[]) { r = udev_device_set_sysattr_value(device, "brightness", value); if (r < 0) { - log_error("Failed to write system attribute: %s", strerror(-r)); + log_error("Failed to write system 'brightness' attribute: %s", + strerror(-r)); return EXIT_FAILURE; } @@ -382,7 +391,7 @@ int main(int argc, char *argv[]) { value = udev_device_get_sysattr_value(device, "brightness"); if (!value) { - log_error("Failed to read system attribute"); + log_error("Failed to read system 'brightness' attribute"); return EXIT_FAILURE; } |