[alsa-devel] [PATCH 2/3] ASoC: simple-card: use devm_get_clk_from_child()

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Fri Dec 9 01:33:02 CET 2016


Hi Stephen

> > Documentation/devicetree/bindings/sound/simple-card.txt
> > explains 1st of_clk_get will be used as "if needed",
> > 2nd of_clk_get will be used as "not needed pattern".
> > 1st pattern will use specific clock, 2nd pattern will use
> > "cpu" or "codec" clock.
> > 2nd one was added by someone (I forgot), and many driver is
> > based on this feature.
> > 
> 
> Can you point to some dts file in the kernel that falls into the
> devm_get_clk_from_child(dev, dai_of_node, NULL) part?

How about this ?

linux/arch/arm/boot/dts/r8a7790-lager.dts :: rsnd_ak4643


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