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dnlddz
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Joined: 06 Apr 2012
Posts: 3
Location: California

PostPosted: Fri Apr 06, 2012 2:01 am    Post subject: Logitech Z305 sound bar Reply with quote

Hello everyone! I am having some sort of trouble with a Logitech Z305 usb sound bar in Gentoo 12. That is to say it doesnt seem to be recognized at all by ALSA. I have been trying very hard to figure out this problem on my own, without making a forum topic for it, but I just can't seem to figure it out at all. Here is the output of lspci and lsusb. I really hope you can help and I'll be forever in your debt.

daniel@tarpalantir ~/ $ sudo lspci
00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)
00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03)
00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 (rev 03)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 03)
00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 4 port SATA Controller [AHCI mode] (rev 03)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03)
09:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller (rev 13)
0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)


And here's lsusb

daniel@tarpalantir ~/ $ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0bda:0158 Realtek Semiconductor Corp. USB 2.0 multicard reader
Bus 001 Device 003: ID 05ca:180a Ricoh Co., Ltd
Bus 007 Device 004: ID 046d:0a23 Logitech, Inc.


I've also added a line to alsa.conf

# Set this to the correct number of cards.
options snd cards_limit=2
options snd-hda-intel index=0
options snd-usb-audio index=1

The italisized line is the one I added. Any suggestions?
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dnlddz
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Joined: 06 Apr 2012
Posts: 3
Location: California

PostPosted: Fri Apr 20, 2012 3:53 pm    Post subject: Solved Reply with quote

Well after getting over my lazyness, I did figure out a solution to this. I didn't have USB sound selected as a kernel option. In retrospect, it seems that it should have been the first thing I looked at. At any rate, If anyone else has an issue with USB sound devices it seems the solution is to recompile the kernel with USB sound, not sure if the edits I made to alsa.conf makes a difference, but if simply recompilling the kernel doesn't work then that would be the next step solution.
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Vrenn
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Joined: 15 Dec 2004
Posts: 189

PostPosted: Sun Mar 10, 2013 4:57 pm    Post subject: Reply with quote

Using the KDE-phonon setting I just have to set the Z305 in the first line with the highest priority. Then no alsa.conf setting is needed and works just over the USB-cable.

For the ones who want to know the modules that start with the Logitech Z305 sound bar plugged in:
Code:
snd_usb_audio         101492  2
snd_hwdep               5894  1 snd_usb_audio
snd_usbmidi_lib        18326  1 snd_usb_audio
snd_rawmidi            18371  1 snd_usbmidi_lib

Thanks my friend for this great birthday present :-)
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