linux-kernel - Re: [alsa-devel] [PATCH 1/4] ALSA: usb: stream: refactor audio interface parsing

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Message-ID: <s5hbmefzfja.wl-tiwai@suse.de>
Date:   Thu, 19 Apr 2018 11:55:37 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Ruslan Bilovol <ruslan.bilovol@...il.com>
Cc:     Jorge <jorge.sanjuan@...ethink.co.uk>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [alsa-devel] [PATCH 1/4] ALSA: usb: stream: refactor audio interface parsing

On Sat, 14 Apr 2018 00:24:23 +0200,
Ruslan Bilovol wrote:
> 
> Offload snd_usb_parse_audio_interface() function which
> became quite long after adding UAC3 spec support.
> 
> Move class-specific parts to separate functions
> which now produce audioformat structure that is
> ready to be fed to snd_usb_add_audio_stream().
> 
> This also broke Blue Microphones workaround (which
> relies on audioformat decoded from previous altsetting)
> into two parts: prepare quirk flag analyzing previous
> altsetting then use it with current altsetting.
> 
> Signed-off-by: Ruslan Bilovol <ruslan.bilovol@...il.com>

Could you try to split this patch to two parts: one is a simple
refactoring to move the code to snd_usb_get_audioformat_uac12(), and
another to add snd_usb_get_audioformat_uac3().

In this way, we can see a problem more clearly if it's in the
refactoring part.


thanks,

Takashi