diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/display.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/display.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/display.h b/arch/arm/plat-omap/include/plat/display.h index 5e04ddc18fa..2cba3d38888 100644 --- a/arch/arm/plat-omap/include/plat/display.h +++ b/arch/arm/plat-omap/include/plat/display.h @@ -23,6 +23,7 @@ #include <linux/list.h> #include <linux/kobject.h> #include <linux/device.h> +#include <linux/notifier.h> #include <linux/platform_device.h> #include <asm/atomic.h> @@ -459,6 +460,7 @@ struct omap_dss_device { struct omap_overlay_manager *manager; enum omap_dss_display_state state; + struct blocking_notifier_head notifier; /* platform specific */ int (*platform_enable)(struct omap_dss_device *dssdev); @@ -532,6 +534,18 @@ struct omap_dss_device *omap_dss_find_device(void *data, int omap_dss_start_device(struct omap_dss_device *dssdev); void omap_dss_stop_device(struct omap_dss_device *dssdev); +/* the event id of the event that occurred is passed in as the second arg + * to the notifier function, and the dssdev is passed as the third. + */ +enum omap_dss_event { + OMAP_DSS_SIZE_CHANGE + /* possibly add additional events, like hot-plug connect/disconnect */ +}; + +void omap_dss_notify(struct omap_dss_device *dssdev, enum omap_dss_event evt); +void omap_dss_add_notify(struct omap_dss_device *dssdev, struct notifier_block *nb); +void omap_dss_remove_notify(struct omap_dss_device *dssdev, struct notifier_block *nb); + int omap_dss_get_num_overlay_managers(void); struct omap_overlay_manager *omap_dss_get_overlay_manager(int num); |