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-rw-r--r--Documentation/sound/alsa/ALSA-Configuration.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 7134a8f7044..a763b76afe5 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -609,6 +609,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
Module for ESS AudioDrive ES-1688 and ES-688 sound cards.
port - port # for ES-1688 chip (0x220,0x240,0x260)
+ fm_port - port # for OPL3 (option; share the same port as default)
mpu_port - port # for MPU-401 port (0x300,0x310,0x320,0x330), -1 = disable (default)
irq - IRQ # for ES-1688 chip (5,7,9,10)
mpu_irq - IRQ # for MPU-401 port (5,7,9,10)