From: Mark Brown <broonie@kernel.org>
To: Chris Obbard <chris@64studio.com>
Cc: alsa-devel@alsa-project.org, be17068@iperbole.bo.it,
linux-kernel@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>,
lgirdwood@gmail.com, Code Kipper <codekipper@gmail.com>,
linux-sunxi <linux-sunxi@googlegroups.com>,
Maxime Ripard <maxime.ripard@free-electrons.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [alsa-devel] [linux-sunxi] Re: [PATCH v2 6/6] ASoC: sun4i-i2s: Add support for loopback
Date: Tue, 13 Mar 2018 09:26:42 -0700 [thread overview]
Message-ID: <20180313162642.GR2186@sirena.org.uk> (raw)
In-Reply-To: <CAP03XeoaYcMrzv3+K83wGUaDn6ZcCDzePdVNcjAqJ4QrF-WLSA@mail.gmail.com>
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On Tue, Mar 13, 2018 at 01:39:44PM +0000, Chris Obbard wrote:
> >> +- loopback: if this property is present then the dai is configured in
> >> + loopback mode where the output fifo is redirected to the input
> >> + fifo.
> > This really doesn't seem like something that ought to go into the DT
> > and hence ABI given that there's obviously no reason to use this in
> > production. Just make it be a #define in the code or something.
> It would be nice to have this as an optional devicetree property so
> when testing JACK latency etc I don't have to manually re-compile a
> kernel...
You'll have to rebuild your DT anyway, I'm not sure the kernel is that
much of a difference... For your use case you'd want a regular runtime
ALSA control, not a DT property anyway. That would be fine.
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prev parent reply other threads:[~2018-03-13 16:26 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-12 15:57 [PATCH v2 0/6] ASoC: sun4i-i2s: Updates to the driver codekipper
2018-03-12 15:57 ` [PATCH v2 1/6] ASoC: sun4i-i2s: Add slot width override codekipper
2018-03-12 18:20 ` Mark Brown
2018-03-13 11:59 ` [linux-sunxi] " Julian Calaby
2018-03-12 15:57 ` [PATCH v2 2/6] ASoC: sun4i-i2s: Add regmap field to sign extend sample codekipper
2018-03-12 15:57 ` [PATCH v2 3/6] ASoC: sun4i-i2s: Correct divider calculations codekipper
2018-03-13 8:20 ` Maxime Ripard
2018-03-12 15:57 ` [PATCH v2 4/6] ASoC: sun4i-i2s: Add multi-lane functionality codekipper
2018-03-13 8:00 ` Maxime Ripard
2018-03-13 8:15 ` Code Kipper
2018-03-13 8:23 ` Maxime Ripard
2018-03-13 8:59 ` Code Kipper
2018-03-12 15:57 ` [PATCH v2 5/6] ASoc: sun4i-i2s: Add 20, 24 and 32 bit support codekipper
2018-03-12 15:57 ` [PATCH v2 6/6] ASoC: sun4i-i2s: Add support for loopback codekipper
2018-03-12 18:35 ` Mark Brown
2018-03-13 13:39 ` [linux-sunxi] " Chris Obbard
2018-03-13 14:03 ` Maxime Ripard
2018-03-13 16:26 ` Mark Brown [this message]
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