From: Clemens Ladisch <clemens@ladisch.de>
To: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Cc: Felipe Balbi <balbi@kernel.org>, Daniel Mack <zonque@gmail.com>,
Jassi Brar <jassisinghbrar@gmail.com>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 0/5] USB Audio Gadget refactoring
Date: Tue, 26 Jul 2016 10:06:41 +0200 [thread overview]
Message-ID: <162378c3-ee7a-a098-56aa-45515acf92c1@ladisch.de> (raw)
In-Reply-To: <CAB=otbSAWpo0n4rW34C7qvKW6J7BJK6pdqCVJU_AHi0u3hqe-A@mail.gmail.com>
Ruslan Bilovol wrote:
> On Fri, Jul 15, 2016 at 10:43 AM, Clemens Ladisch <clemens@ladisch.de> wrote:
>>>> On Tue, May 24, 2016 at 2:50 AM, Ruslan Bilovol
>>>> <ruslan.bilovol@gmail.com> wrote:
>>>>> it may break current usecase for some people
>>
>> And what are the benefits that justify breaking the kernel API?
>
> Main limitation with current f_uac1 design is - it can be used only on systems
> with real ALSA card present and can have only exact number of
> channels / sampling rate as sink card has. [...]
> A real cases when it's required to have UAC1 gadget represented as virtual
> sound card on gadget side: [...]
Thanks.
> Of course disadvantage of new approach for UAC1 gadget is you need to
> use some userspace application for routing audio from virtual to real
> sound card, like in case of UAC2 gadget. But thanks to existing
> applications like alsaloop it's not difficult nowadays.
I don't know what the maintainer will say, but you would increase the
chances of this change being accepted when you show a concrete example
of how to change the userspace configuration from the old to the new
driver. (And add it to the documentation.)
Regards,
Clemens
next prev parent reply other threads:[~2016-07-26 8:07 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-23 23:50 [RFC PATCH 0/5] USB Audio Gadget refactoring Ruslan Bilovol
2016-05-23 23:50 ` [RFC PATCH 1/5] usb: gadget: f_uac2: remove platform driver/device creation Ruslan Bilovol
2016-05-23 23:50 ` [RFC PATCH 2/5] usb: gadget: f_uac2: split out audio core Ruslan Bilovol
2016-05-23 23:50 ` [RFC PATCH 3/5] usb: gadget: f_uac1: drop volume/mute functionality Ruslan Bilovol
2016-05-23 23:50 ` [RFC PATCH 4/5] usb: gadget: f_uac1: switch to u_audio core utilities Ruslan Bilovol
2016-05-23 23:50 ` [RFC PATCH 5/5] usb: gadget: f_uac1: add capture support Ruslan Bilovol
2016-06-08 8:03 ` [RFC PATCH 0/5] USB Audio Gadget refactoring Ruslan Bilovol
2016-07-14 21:38 ` Ruslan Bilovol
2016-07-15 7:43 ` Clemens Ladisch
2016-07-26 1:31 ` Ruslan Bilovol
2016-07-26 8:06 ` Clemens Ladisch [this message]
2016-07-26 21:22 ` Ruslan Bilovol
2016-07-26 8:53 ` Jassi Brar
2016-07-26 12:02 ` Krzysztof Opasiak
2016-07-26 21:55 ` Ruslan Bilovol
2016-07-26 21:38 ` Ruslan Bilovol
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