diff options
Diffstat (limited to 'src/backlight.c')
| -rw-r--r-- | src/backlight.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/src/backlight.c b/src/backlight.c index f0c549e5..72e6bfe7 100644 --- a/src/backlight.c +++ b/src/backlight.c @@ -74,6 +74,15 @@ * If only things were as simple as on OpenBSD! :) */ +void backlight_init(struct backlight *b) +{ + b->type = BL_NONE; + b->iface = NULL; + b->fd = -1; + b->pid = -1; + b->max = -1; +} + #ifdef __OpenBSD__ #include <dev/wscons/wsconsio.h> @@ -384,23 +393,27 @@ int backlight_open(struct backlight *b, char *iface) if (iface == NULL) iface = __backlight_find(); if (iface == NULL) - return -1; + goto err; b->type = __backlight_type(iface); b->max = __backlight_read(iface, "max_brightness"); if (b->max <= 0) - return -1; + goto err; level = __backlight_read(iface, "brightness"); - if (level < 0) - return -1; + if (level) + goto err; if (!__backlight_direct_init(b, iface) && !__backlight_helper_init(b, iface)) - return -1; + goto err; return level; + +err: + backlight_init(b); + return -1; } int backlight_set(struct backlight *b, int level) |