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compositor: Make backlight_current int32_t to avoid unsigned overflow

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Backlight brightness was wrapping around when decrementing from 0.
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Kristian Høgsberg
2013-05-23 20:30:26 -04:00
parent 220819f7b9
commit 7c60912cb9
1 changed files with 1 additions and 1 deletions
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src/compositor.h
+1 -1
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@@ -197,7 +197,7 @@ struct weston_output {
int (*switch_mode)(struct weston_output *output, struct weston_mode *mode); int (*switch_mode)(struct weston_output *output, struct weston_mode *mode);
/* backlight values are on 0-255 range, where higher is brighter */ /* backlight values are on 0-255 range, where higher is brighter */
uint32_t backlight_current; int32_t backlight_current;
void (*set_backlight)(struct weston_output *output, uint32_t value); void (*set_backlight)(struct weston_output *output, uint32_t value);
void (*set_dpms)(struct weston_output *output, enum dpms_enum level); void (*set_dpms)(struct weston_output *output, enum dpms_enum level);