[alsa-devel] [PATCH v3] ASOC: tegra: move AC97 clock handling to the machine driver

Stephen Warren swarren at wwwdotorg.org
Wed Mar 19 20:34:57 CET 2014

On 03/18/2014 02:30 PM, Lucas Stach wrote:
> On Tegra the convention is to have a single machine driver
> that's controlling the whole audio subsystem. This was
> introduced after the AC97 driver was merged and ever since
> AC97 has been broken.

FWIW, that last sentence isn't actually true at all. This structure has
been in place since the very first addition of sound/soc/tegra/harmony.c
(now sound/soc/tegra/tegra_wm8903.c).

> Move the clock handling to the machine driver, to be in line
> with the other Tegra drivers and give the machine driver
> full control over the single Tegra audio PLL.

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