nvidiafb: Correctly assign the i2c class with the port reversal

If the i2c ports are to be reversed, I2C_CLASS_HWMON assignment must also be
reversed.

Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/video/nvidia/nv_i2c.c b/drivers/video/nvidia/nv_i2c.c
index 0cbcb3d833fb..6fd7cb8f9b8e 100644
--- a/drivers/video/nvidia/nv_i2c.c
+++ b/drivers/video/nvidia/nv_i2c.c
@@ -126,10 +126,12 @@ void nvidia_create_i2c_busses(struct nvidia_par *par)
         par->chan[2].par = par;
 
         par->chan[0].ddc_base = (par->reverse_i2c) ? 0x36 : 0x3e;
-        nvidia_setup_i2c_bus(&par->chan[0], "nvidia #0", 0);
+        nvidia_setup_i2c_bus(&par->chan[0], "nvidia #0",
+                             (par->reverse_i2c) ? I2C_CLASS_HWMON : 0);
 
         par->chan[1].ddc_base = (par->reverse_i2c) ? 0x3e : 0x36;
-        nvidia_setup_i2c_bus(&par->chan[1], "nvidia #1", I2C_CLASS_HWMON);
+        nvidia_setup_i2c_bus(&par->chan[1], "nvidia #1",
+                             (par->reverse_i2c) ? 0 : I2C_CLASS_HWMON);
 
         par->chan[2].ddc_base = 0x50;
         nvidia_setup_i2c_bus(&par->chan[2], "nvidia #2", 0);