Date: Wed, 28 Nov 2018 12:40:44 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Brian Scott <bscott@bunyatech.com.au>, freebsd-arm@freebsd.org Subject: Re: Raspberry PI 2B/3 and USB audio Message-ID: <ed084844-2f24-fe91-ed33-f19b0cb82649@selasky.org> In-Reply-To: <7bee717d-70e5-5f09-d5c4-96c72ddbd2f9@bunyatech.com.au> References: <87ftw96uq0.wl-herbert@gojira.at> <6beca923-ba25-3814-6bb2-f4cc2d7360d3@selasky.org> <875zx2hyey.wl-herbert@gojira.at> <87lg5fhcgz.wl-herbert@gojira.at> <87k1kzhb8j.wl-herbert@gojira.at> <9dda25f1-9b52-2a50-1b55-00cccee8ee98@selasky.org> <856136a7-c58f-dda0-d50c-f9da55e5eb88@bunyatech.com.au> <b5d07fe0-8b1a-9b59-3241-1bfe7f72b096@selasky.org> <eeca436f-a5b3-2017-9a8d-41c8365dd46b@bunyatech.com.au> <c08832bf-73a0-11aa-729e-bcd4f44cbb39@selasky.org> <7bee717d-70e5-5f09-d5c4-96c72ddbd2f9@bunyatech.com.au>
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On 11/28/18 11:28 AM, Brian Scott wrote: > On 28/11/18 9:22 pm, Hans Petter Selasky wrote: >> On 11/28/18 11:13 AM, Brian Scott wrote: >>> On 28/11/18 7:45 pm, Hans Petter Selasky wrote: >>>> On 11/28/18 1:46 AM, Brian Scott wrote: >>>>> On 27/11/18 6:38 pm, Hans Petter Selasky wrote: >>>>>> On 11/26/18 8:47 PM, Herbert J. Skuhra wrote: >>>>>>> Well, this USB sound card works perfectly fine on my desktop PC >>>>>>> running FreeBSD (amd64). >>>>>> >>>>>> Hi, >>>>>> >>>>>> There is a problem in the DWC OTG USB controller driver that it >>>>>> cannot >>>>>> handle the big data payload 24-bit 48KHz sampling requires. >>>>>> Unfortunately your device has only one sample size selection. >>>>>> >>>>>> If you buy a USB sound device marked as "HIGH SPEED USB" it should >>>>>> work. Yours is "spd=FULL". >>>>>> >>>>>> --HPS >>>>> Just an additional data point, >>>>> >>>>> This one also sounds like junk but is high speed: >>>>> >>>>> ugen0.6: <Generic USB Audio> at usbus0, cfg=0 md=HOST spd=HIGH >>>>> (480Mbps) pwr=ON (100mA) >>>>> >>>>> bLength = 0x0012 >>>>> bDescriptorType = 0x0001 >>>>> bcdUSB = 0x0200 >>>>> bDeviceClass = 0x0000 <Probed by interface class> >>>>> bDeviceSubClass = 0x0000 >>>>> bDeviceProtocol = 0x0000 >>>>> bMaxPacketSize0 = 0x0040 >>>>> idVendor = 0x0bda >>>>> idProduct = 0x4040 >>>>> bcdDevice = 0x0000 >>>>> iManufacturer = 0x0003 <Generic> >>>>> iProduct = 0x0001 <USB Audio> >>>>> iSerialNumber = 0x0002 <201405280001> >>>>> bNumConfigurations = 0x0001 >>>>> Hi, Can you also dump the device descriptors? usbconfig -d 0.6 dump_curr_config_desc And can you capture with usbdump some traffic while doing playback? usbdump -i usbus0 -f 6 -s 65536 -vvv > ~/log.txt And this device works fine using a regular PC with FreeBSD installed? --HPS
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