diff options
Diffstat (limited to 'arch/powerpc/platforms/powermac/backlight.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/backlight.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/platforms/powermac/backlight.c index 12bc01353bd3..1796327955c6 100644 --- a/arch/powerpc/platforms/powermac/backlight.c +++ b/arch/powerpc/platforms/powermac/backlight.c @@ -11,6 +11,7 @@ #include <linux/kernel.h> #include <linux/backlight.h> #include <linux/adb.h> +#include <linux/of.h> #include <linux/pmu.h> #include <linux/atomic.h> #include <linux/export.h> @@ -57,18 +58,10 @@ struct backlight_device *pmac_backlight; int pmac_has_backlight_type(const char *type) { struct device_node* bk_node = of_find_node_by_name(NULL, "backlight"); + int i = of_property_match_string(bk_node, "backlight-control", type); - if (bk_node) { - const char *prop = of_get_property(bk_node, - "backlight-control", NULL); - if (prop && strncmp(prop, type, strlen(type)) == 0) { - of_node_put(bk_node); - return 1; - } - of_node_put(bk_node); - } - - return 0; + of_node_put(bk_node); + return i >= 0; } static void pmac_backlight_key_worker(struct work_struct *work) |