commit dc0adf48daa81b05765d3c5ebab76321f77e9d21
author Clemens Ladisch <clemens@ladisch.de> Mon Sep 28 11:17:36 2009 +0200
committer Takashi Iwai <tiwai@suse.de> Mon Sep 28 11:54:20 2009 +0200
tree ffe681631797c7a66d9e64516e745e8fea100f2a
parent 3d8bb454c4fbe18cea1adfd4183a4a9ef5f0ef04

sound: oxygen: more hardware documentation

Add some comments describing the hardware pin routing.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/oxygen/oxygen.c

diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c
index 72db4c3..53dff71 100644
--- a/sound/pci/oxygen/oxygen.c
+++ b/sound/pci/oxygen/oxygen.c
@@ -18,6 +18,8 @@
  */
 
 /*
+ * CMI8788:
+ *
  * SPI 0 -> 1st AK4396 (front)
  * SPI 1 -> 2nd AK4396 (surround)
  * SPI 2 -> 3rd AK4396 (center/LFE)
@@ -27,6 +29,10 @@
  * GPIO 0 -> DFS0 of AK5385
  * GPIO 1 -> DFS1 of AK5385
  * GPIO 8 -> enable headphone amplifier on HT-Omega models
+ *
+ * CM9780:
+ *
+ * GPO 0 -> route line-in (0) or AC97 output (1) to ADC input
  */
 
 #include <linux/delay.h>