[RESEND,v2] OMAP: DSS: Adding two APIs for panel-taal: check_timings and set_timings

Commit Message

MAYURESH JANORKAR Feb. 16, 2011, 1:54 p.m. UTC

None

Patch

diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 61026f9..aded08c 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -476,6 +476,31 @@  static void taal_get_timings(struct omap_dss_device *dssdev,
 	*timings = dssdev->panel.timings;
 }
 
+static void taal_set_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	/*
+	 * TAAL panel's timing struct has only x_res and y_res
+	 * other timing parameters are not set
+	 */
+	dssdev->panel.timings.x_res = timings->x_res;
+	dssdev->panel.timings.y_res = timings->y_res;
+}
+
+static int taal_check_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	/*
+	 * TAAL panel's timing struct has only x_res and y_res
+	 * other timing parameters are not set
+	 */
+	if (!timings || timings->x_res != dssdev->panel.timings.x_res ||
+		timings->y_res != dssdev->panel.timings.y_res)
+		return -EINVAL;
+
+	return 0;
+}
+
 static void taal_get_resolution(struct omap_dss_device *dssdev,
 		u16 *xres, u16 *yres)
 {
@@ -1563,6 +1588,8 @@  static struct omap_dss_driver taal_driver = {
 	.memory_read	= taal_memory_read,
 
 	.get_timings	= taal_get_timings,
+	.set_timings	= taal_set_timings,
+	.check_timings	= taal_check_timings,
 
 	.driver         = {
 		.name   = "taal",