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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-22 21:42:54 +0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-22 21:42:54 +0400
commit4e93d3e8859c834ee18dfd33051d24df8669d0c0 (patch)
tree13f5b39730857257b5040471618e9bcce30ed9cc /include/linux/i2c-vid.h
parenta0cd30fd26a398c0c6e50c6760610d4529f17a84 (diff)
parent0087e5ef577d0d6e664be7ab4be513b6a482e7ec (diff)
downloadlinux-4e93d3e8859c834ee18dfd33051d24df8669d0c0.tar.xz
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/i2c-2.6
Diffstat (limited to 'include/linux/i2c-vid.h')
-rw-r--r--include/linux/i2c-vid.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/i2c-vid.h b/include/linux/i2c-vid.h
index 974835e3530f..41d0635e0ba9 100644
--- a/include/linux/i2c-vid.h
+++ b/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;
+ }
+}