diff options
Diffstat (limited to 'drivers/video/omap2/dss/display.c')
| -rw-r--r-- | drivers/video/omap2/dss/display.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c index 72ac058a56d3..1c175a4e7f6b 100644 --- a/drivers/video/omap2/dss/display.c +++ b/drivers/video/omap2/dss/display.c @@ -146,6 +146,38 @@ void dss_disable_all_devices(void) bus_for_each_dev(bus, NULL, NULL, dss_disable_device); } +static LIST_HEAD(panel_list); +static DEFINE_MUTEX(panel_list_mutex); +static int disp_num_counter; + +int omapdss_register_display(struct omap_dss_device *dssdev) +{ + struct omap_dss_driver *drv = dssdev->driver; + + snprintf(dssdev->alias, sizeof(dssdev->alias), + "display%d", disp_num_counter++); + + if (drv && drv->get_resolution == NULL) + drv->get_resolution = omapdss_default_get_resolution; + if (drv && drv->get_recommended_bpp == NULL) + drv->get_recommended_bpp = omapdss_default_get_recommended_bpp; + if (drv && drv->get_timings == NULL) + drv->get_timings = omapdss_default_get_timings; + + mutex_lock(&panel_list_mutex); + list_add_tail(&dssdev->panel_list, &panel_list); + mutex_unlock(&panel_list_mutex); + return 0; +} +EXPORT_SYMBOL(omapdss_register_display); + +void omapdss_unregister_display(struct omap_dss_device *dssdev) +{ + mutex_lock(&panel_list_mutex); + list_del(&dssdev->panel_list); + mutex_unlock(&panel_list_mutex); +} +EXPORT_SYMBOL(omapdss_unregister_display); void omap_dss_get_device(struct omap_dss_device *dssdev) { |