From de373d2eb81306e28f164a4d9b1babd0896cb803 Mon Sep 17 00:00:00 2001
From: Sebastian Witt <se.witt@gmx.net>
Date: Wed, 13 Apr 2005 22:25:39 +0200
Subject: [PATCH] --- yaml --- r: 2685 b: refs/heads/master c:
 3886246a257e828248ce1e72ced00408a3557f0d h: refs/heads/master i:   2683:
 1d2981131ea9d1bc355397a599e6ea767e4eb170 v: v3

---
 [refs]                        |  2 +-
 trunk/include/linux/i2c-vid.h | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 25941fc402fb..04afe3173194 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 792f156d61d327671f58829dc04ad5609152e393
+refs/heads/master: 3886246a257e828248ce1e72ced00408a3557f0d
diff --git a/trunk/include/linux/i2c-vid.h b/trunk/include/linux/i2c-vid.h
index 974835e3530f..41d0635e0ba9 100644
--- a/trunk/include/linux/i2c-vid.h
+++ b/trunk/include/linux/i2c-vid.h
@@ -97,3 +97,15 @@ static inline int vid_from_reg(int val, int vrm)
 		                     2050 - (val) * 50);
 	}
 }
+
+static inline int vid_to_reg(int val, int vrm)
+{
+	switch (vrm) {
+	case 91:		/* VRM 9.1 */
+	case 90:		/* VRM 9.0 */
+		return ((val >= 1100) && (val <= 1850) ?
+			((18499 - val * 10) / 25 + 5) / 10 : -1);
+	default:
+		return -1;
+	}
+}