DSS2: Add function to get DSS logic clock rate

[pandora-kernel.git] / drivers / video / omap2 / dss / dispc.c

diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 2480a03..1bc23f7 100644 (file)
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -1850,6 +1850,21 @@ unsigned long dispc_fclk_rate(void)
        return r;
 }
 
+unsigned long dispc_lclk_rate(void)
+{
+       int lcd;
+       unsigned long r;
+       u32 l;
+
+       l = dispc_read_reg(DISPC_DIVISOR);
+
+       lcd = FLD_GET(l, 23, 16);
+
+       r = dispc_fclk_rate();
+
+       return r / lcd;
+}
+
 unsigned long dispc_pclk_rate(void)
 {
        int lcd, pcd;