Date: Sat, 3 Nov 2018 18:10:49 +0100 From: Hans Petter Selasky <hps@selasky.org> To: "Herbert J. Skuhra" <herbert@gojira.at> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r339388 - head/sys/dev/usb/controller Message-ID: <7682021b-d57c-71aa-c6ac-891ce2c7046a@selasky.org> In-Reply-To: <877ehu2w7d.wl-herbert@gojira.at> References: <201810161847.w9GIlD7k068441@repo.freebsd.org> <877ehu2w7d.wl-herbert@gojira.at>
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On 11/3/18 1:15 PM, Herbert J. Skuhra wrote: > On Tue, 16 Oct 2018 20:47:13 +0200, Hans Petter Selasky wrote: >> >> Author: hselasky >> Date: Tue Oct 16 18:47:13 2018 >> New Revision: 339388 >> URL: https://svnweb.freebsd.org/changeset/base/339388 >> >> Log: >> Fix for reception of large full speed isochronous frames via the transaction >> translator, when using the DWC OTG USB controller driver. Make sure to re-try >> getting the complete split packets until a DATA0 packet is received. Larger >> isochronous frames may be split into multiple MDATA packets terminated >> by a single DATA0 packet. >> >> PR: 230434 >> MFC after: 3 days >> Approved by: re (gjb) >> Sponsored by: Mellanox Technologies >> >> Modified: >> head/sys/dev/usb/controller/dwc_otg.c > > Hei, > > I use a Sound Blaster Play 2 USB soundcard on a Raspberry Pi 2 and a > Raspberry Pi 3 to listen to internet radio streams (e.g. NRK, SR, BBC, > etc.). After this commit audio quality is deteriorated (strange noises). I've > tried mpg123 and moc. > > -- > Herbert > Hi, How many channels does your audio device have? What sample rates are you using? What happens if you lower the vchanrate? dmesg ? What are the following sysctl values? dev.pcm.x.rec.vchanrate: 48000 dev.pcm.x.play.vchanrate: 48000 x is 0 or 1. --HPS
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