From: maxime.ripard@bootlin.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [linux-sunxi] Re: [PATCH v2 6/6] ASoC: sun4i-i2s: Add support for loopback
Date: Tue, 13 Mar 2018 15:03:03 +0100 [thread overview]
Message-ID: <20180313140303.wkwsxhhm5lxbzp5a@flea> (raw)
In-Reply-To: <CAP03XeoaYcMrzv3+K83wGUaDn6ZcCDzePdVNcjAqJ4QrF-WLSA@mail.gmail.com>
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...
Another one might also argue that having to recompile the DT and
reflash the whole firmware or EEPROM is overkill for just testing JACK
latency.
Can't we create a module parameter for it?
Maxime
--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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prev parent reply other threads:[~2018-03-13 14:03 UTC|newest]
Thread overview: 15+ 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 at gmail.com
2018-03-12 15:57 ` [PATCH v2 1/6] ASoC: sun4i-i2s: Add slot width override codekipper at gmail.com
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 at gmail.com
2018-03-12 15:57 ` [PATCH v2 3/6] ASoC: sun4i-i2s: Correct divider calculations codekipper at gmail.com
2018-03-13 8:20 ` Maxime Ripard
2018-03-12 15:57 ` [PATCH v2 4/6] ASoC: sun4i-i2s: Add multi-lane functionality codekipper at gmail.com
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 at gmail.com
2018-03-12 15:57 ` [PATCH v2 6/6] ASoC: sun4i-i2s: Add support for loopback codekipper at gmail.com
[not found] ` <20180312183521.GP2186@sirena.org.uk>
2018-03-13 13:39 ` [linux-sunxi] " Chris Obbard
2018-03-13 14:03 ` Maxime Ripard [this message]
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