diff options
Diffstat (limited to 'libbacklight.h')
| -rw-r--r-- | libbacklight.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/libbacklight.h b/libbacklight.h index 2a6018d..8ef9983 100644 --- a/libbacklight.h +++ b/libbacklight.h @@ -17,12 +17,26 @@ struct backlight { enum backlight_type type; }; -void backlight_destroy(struct backlight *backlight); +/* + * Find and set up a backlight for the given PCI device or card/connector + * combination. It is valid (and preferred) to provide both sets of information + */ struct backlight *backlight_init(struct pci_device *dev, int card, int connector_type, int connector_type_id); -long backlight_get_brightness(struct backlight *backlight); + +/* Free backlight resources */ +void backlight_destroy(struct backlight *backlight); + +/* Provide the maximum backlight value */ long backlight_get_max_brightness(struct backlight *backlight); + +/* Provide the cached backlight value */ +long backlight_get_brightness(struct backlight *backlight); + +/* Provide the hardware backlight value */ long backlight_get_actual_brightness(struct backlight *backlight); + +/* Set the backlight to a value between 0 and max */ long backlight_set_brightness(struct backlight *backlight, long brightness); #ifdef __cplusplus |