1 files changed, 22 insertions, 2 deletions

diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 212cb800a5d2..5a5c31c163c7 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -1725,7 +1725,7 @@ static void _enable_lcd_out(bool enable)
         REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 0, 0);
 }
 
-void dispc_enable_lcd_out(bool enable)
+static void dispc_enable_lcd_out(bool enable)
 {
         struct completion frame_done_completion;
         bool is_on;
@@ -1772,7 +1772,7 @@ static void _enable_digit_out(bool enable)
         REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 1, 1);
 }
 
-void dispc_enable_digit_out(bool enable)
+static void dispc_enable_digit_out(bool enable)
 {
         struct completion frame_done_completion;
         int r;
@@ -1836,6 +1836,26 @@ void dispc_enable_digit_out(bool enable)
         enable_clocks(0);
 }
 
+bool dispc_is_channel_enabled(enum omap_channel channel)
+{
+        if (channel == OMAP_DSS_CHANNEL_LCD)
+                return !!REG_GET(DISPC_CONTROL, 0, 0);
+        else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+                return !!REG_GET(DISPC_CONTROL, 1, 1);
+        else
+                BUG();
+}
+
+void dispc_enable_channel(enum omap_channel channel, bool enable)
+{
+        if (channel == OMAP_DSS_CHANNEL_LCD)
+                dispc_enable_lcd_out(enable);
+        else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+                dispc_enable_digit_out(enable);
+        else
+                BUG();
+}
+
 void dispc_lcd_enable_signal_polarity(bool act_high)
 {
         enable_clocks(1);