From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@kernel.org>
Subject: Re: [alsa-devel] [PATCH 2/4] ASoC: s3c64xx/smartq: use dynamic
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Date: Thu, 17 Jul 2014 12:05:40 +0100
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To: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>, Rob Jones <rob.jones@codethink.co.uk>, Rojhalat Ibrahim <imr@rtschenk.de>, Lars-Peter Clausen <lars@metafoo.de>, Arnd Bergmann <arnd@arndb.de>, "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, Kukjin Kim <kgene.kim@samsung.com>, Tomasz Figa <t.figa@samsung.com>, Maurus Cuelenaere <mcuelenaere@gmail.com>, Liam Girdwood <lgirdwood@gmail.com>, "linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>, Linus Walleij <linus.walleij@linaro.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>
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On Thu, Jul 17, 2014 at 12:41:23PM +0200, Thierry Reding wrote:
> On Thu, Jul 17, 2014 at 11:17:23AM +0100, Mark Brown wrote:

> > Not so sure about that - what about requesting GPIOs for a bidirectional
> > bus?  Thinking about SPI bitbanging here.

> Wouldn't you want to use a different means that the gpiod_array_*() API
> to handle those cases? gpiod_array_*() is probably most useful to handle
> bulk operations on a set of GPIOs that do essentially the same thing. If
> you get and then need to index into that array to handle them all
> differently then you don't gain very much.

For set and get, sure - but it's still useful to be able to do bulk
requests for GPIOs especially since that's the only bit of the interface
that requires error handling.

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