Parse_Audio_Format_Rates_V2 | Audio-Digital.net

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USB audio device - Error: parse_audio_format_rates_v2 ...

https://www.spinics.net/linux/fedora/alsa-user/msg10808.html

Subject: USB audio device - Error: parse_audio_format_rates_v2(): unable to retrieve number of sample rates From : Joachim Gahl < jem_7@xxxxxx > Date : Tue, 28 Feb 2012 00:43:40 +0100

Re: USB audio device - Error: parse_audio_format_rates_v2 ...

https://www.spinics.net/linux/fedora/alsa-user/msg10927.html

Subject: Re: USB audio device - Error: parse_audio_format_rates_v2(): unable to retrieve number of sample rates From : jem_7@xxxxxx Date : Thu, 12 Apr 2012 21:37:50 +0200

Advanced Linux Sound Architecture / Re: [Alsa-user] USB ...

https://sourceforge.net/p/alsa/mailman/message/29132907/

Re: [Alsa-user] USB audio device - Error: parse_audio_format_rates_v2(): unable to retrieve number of sample rates From: Daniel Mack <zonque@gm...> - 2012-04-15 19:37:17

alsa - Parsing audio format rates from USB Audio Interface ...

https://unix.stackexchange.com/questions/581097/parsing-audio-format-rates-from-usb-audio-interface-fails-causing-disconnect-re

The interesting thing is that you get two different errors before the one you linked, first "cannot set freq 96000 (v2/v3)", and then "cannot get clock validity for id 5". It's possible the driver needs a quirk for your device. It's also possible a new kernel already has one, so upgrade to newest possible kernel and try again.

linux/format.c at master · torvalds/linux · GitHub

https://github.com/torvalds/linux/blob/master/sound/usb/format.c

The problem is that we need to parse whole array first to. * get to know how many sample rates we have to expect. * Then fp->rate_table can be allocated and filled. */. static int parse_uac2_sample_rate_range ( struct snd_usb_audio *chip, struct audioformat *fp, int nr_triplets, const unsigned char *data) {.

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