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path: root/drivers/video/omap2/displays/panel-generic.c
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Diffstat (limited to 'drivers/video/omap2/displays/panel-generic.c')
-rw-r--r--drivers/video/omap2/displays/panel-generic.c56
1 files changed, 49 insertions, 7 deletions
diff --git a/drivers/video/omap2/displays/panel-generic.c b/drivers/video/omap2/displays/panel-generic.c
index eb48d1afd800..c59e4baed8b2 100644
--- a/drivers/video/omap2/displays/panel-generic.c
+++ b/drivers/video/omap2/displays/panel-generic.c
@@ -35,6 +35,35 @@ static struct omap_video_timings generic_panel_timings = {
.vbp = 7,
};
+static int generic_panel_power_on(struct omap_dss_device *dssdev)
+{
+ int r;
+
+ r = omapdss_dpi_display_enable(dssdev);
+ if (r)
+ goto err0;
+
+ if (dssdev->platform_enable) {
+ r = dssdev->platform_enable(dssdev);
+ if (r)
+ goto err1;
+ }
+
+ return 0;
+err1:
+ omapdss_dpi_display_disable(dssdev);
+err0:
+ return r;
+}
+
+static void generic_panel_power_off(struct omap_dss_device *dssdev)
+{
+ if (dssdev->platform_disable)
+ dssdev->platform_disable(dssdev);
+
+ omapdss_dpi_display_disable(dssdev);
+}
+
static int generic_panel_probe(struct omap_dss_device *dssdev)
{
dssdev->panel.config = OMAP_DSS_LCD_TFT;
@@ -51,27 +80,40 @@ static int generic_panel_enable(struct omap_dss_device *dssdev)
{
int r = 0;
- if (dssdev->platform_enable)
- r = dssdev->platform_enable(dssdev);
+ r = generic_panel_power_on(dssdev);
+ if (r)
+ return r;
- return r;
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
}
static void generic_panel_disable(struct omap_dss_device *dssdev)
{
- if (dssdev->platform_disable)
- dssdev->platform_disable(dssdev);
+ generic_panel_power_off(dssdev);
+
+ dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static int generic_panel_suspend(struct omap_dss_device *dssdev)
{
- generic_panel_disable(dssdev);
+ generic_panel_power_off(dssdev);
+ dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
return 0;
}
static int generic_panel_resume(struct omap_dss_device *dssdev)
{
- return generic_panel_enable(dssdev);
+ int r = 0;
+
+ r = generic_panel_power_on(dssdev);
+ if (r)
+ return r;
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
}
static struct omap_dss_driver generic_driver = {