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authorClemens Ladisch <clemens@ladisch.de>2009-09-28 11:17:36 +0200
committerTakashi Iwai <tiwai@suse.de>2009-09-28 11:54:20 +0200
commitdc0adf48daa81b05765d3c5ebab76321f77e9d21 (patch)
treeffe681631797c7a66d9e64516e745e8fea100f2a /sound/pci/oxygen/xonar_pcm179x.c
parentsound: oxygen: add stereo upmixing to center/LFE channels (diff)
downloadlinux-dc0adf48daa81b05765d3c5ebab76321f77e9d21.tar.xz
linux-dc0adf48daa81b05765d3c5ebab76321f77e9d21.zip
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>
Diffstat (limited to 'sound/pci/oxygen/xonar_pcm179x.c')
-rw-r--r--sound/pci/oxygen/xonar_pcm179x.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/sound/pci/oxygen/xonar_pcm179x.c b/sound/pci/oxygen/xonar_pcm179x.c
index 07aaa893d323..97574dbec2b6 100644
--- a/sound/pci/oxygen/xonar_pcm179x.c
+++ b/sound/pci/oxygen/xonar_pcm179x.c
@@ -32,6 +32,10 @@
* GPIO 5 <- external power present (D2X only)
* GPIO 7 -> ALT
* GPIO 8 -> enable output to speakers
+ *
+ * CM9780:
+ *
+ * GPO 0 -> route line-in (0) or AC97 output (1) to CS5381 input
*/
/*
@@ -54,6 +58,10 @@
*
* PCM1796 front: AD1,0 <- 0,0
*
+ * CM9780:
+ *
+ * GPO 0 -> route line-in (0) or AC97 output (1) to CS5381 input
+ *
* no daughterboard
* ----------------
*
@@ -107,6 +115,15 @@
* PCM1792A:
*
* AD1,0 <- 0,0
+ * SCK <- CLK_OUT of CS2000 (ST only)
+ *
+ * CS2000:
+ *
+ * AD0 <- 0
+ *
+ * CM9780:
+ *
+ * GPO 0 -> route line-in (0) or AC97 output (1) to CS5381 input
*
* H6 daughterboard
* ----------------