SoundBlaster X-fi HD SPDIF fix

Hi!

I own a Creative USB SoundBlaster X-fi HD and tried to use its SPDIF optical output. However it didn't work with ALSA out of the box. The reason is that for SPDIF output device #1 must be used.

The fix is: In /usr/share/alsa/cards/USB-Audio.conf, change the iec958_device block like this:

USB-Audio.pcm.iec958_device {
"USB Sound Blaster HD" 1
}

Digital output works fine for me after that.

BTW, I tried this line in /etc/asound.conf

cards.USB-Audio.pcm.iec958_device."USB Sound Blaster HD" 1

but it didn't have any effect. Why was that?

Thank you!

Regards
Richard Körber

At Sun, 06 Apr 2014 23:36:31 +0200,

Could you submit a patch to add the entry in alsa-lib git tree?

The line above doesn't work like a way to append a list entry.

thanks,

Takashi
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Creative Sound Blaster X-Fi HD uses device 1 for iec958 output.

---
 src/conf/cards/USB-Audio.conf | 1 +
 1 file changed, 1 insertion(+)

index 05e5d09..bae7669 100644
@@ -36,6 +36,7 @@ USB-Audio.pcm.surround40_type {
 # number for the iec958 device can be changed here.
 USB-Audio.pcm.iec958_device {
        # "NoiseBlaster 3000" 42
+        "USB Sound Blaster HD" 1
 
        # The below don't have digital in/out, so prevent them from being opened.
        "Andrea PureAudio USB-SA Headset" 999

2.1.0

At Wed, 21 Jan 2015 01:02:34 +0100,

I'm sorry for the mistakes. It's my first time providing a git patch by mail.

You'll find the signed-off patch file attached.

Richard Körber

From: =?UTF-8?q?Richard=20K=C3=B6rber?= <[email protected]>
Date: Wed, 21 Jan 2015 22:50:27 +0100
Subject: [PATCH] USB-audio: Sound Blaster HD iec958 is on device 1
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Creative Sound Blaster X-Fi HD uses device 1 for iec958 output.

---
 src/conf/cards/USB-Audio.conf | 1 +
 1 file changed, 1 insertion(+)

index 05e5d09..bae7669 100644
@@ -36,6 +36,7 @@ USB-Audio.pcm.surround40_type {
 # number for the iec958 device can be changed here.
 USB-Audio.pcm.iec958_device {
 	# "NoiseBlaster 3000" 42
+        "USB Sound Blaster HD" 1
 
 	# The below don't have digital in/out, so prevent them from being opened.
 	"Andrea PureAudio USB-SA Headset" 999

2.1.0

Hi!

I noticed that the patch was not merged yet. If there is something still missing, I would be happy to provide it.

Richard Körber
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At Sat, 28 Mar 2015 12:06:20 +0100,

Please resend the patch.

thanks,

Takashi
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Hi!

You can find it here:

http://mailman.alsa-project.org/pipermail/alsa-devel/attachments/20150121/6854c035/attachment.bin

Richard Körber
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At Sat, 28 Mar 2015 14:53:56 +0100,

OK, applied now. But at the next time, please just resend the patch when requested. It was requested for reviewing, not for taking the patch as is. From the same reason, try to avoid attachments as much as possible. If only attachment is available, embed the patch in addition to attachments.

thanks,

Takashi
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