Messages in this thread | | | Date | Wed, 29 Aug 2018 16:26:56 +0100 | From | Mark Brown <> | Subject | Re: [PATCH 1/2] ASoC: Add driver for PROTO Audio CODEC (with a WM8731) |
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On Wed, Aug 29, 2018 at 06:20:59PM +0300, Codrin Ciubotariu wrote: > On 29.08.2018 17:53, Mark Brown wrote:
> > That also has the nice bonus that with that I think you'd be able to use > > the graph card rather than a custom driver?
> The main reason for adding a custom driver and not using graph/simple card > is the snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, > XTAL_RATE, SND_SOC_CLOCK_IN) call. This enables the oscillator found in the > wm8731 codec. Since WM8731_SYSCLK_XTAL is not 0, we can't use > system-clock-frequency DT property to set it.
Right, that'd be more substantial surgery on the driver to change the DT binding so that it's got a clock provider in it; it'd be nice to do but it's a bit much to make it a blocker so the machine driver is OK. [unhandled content-type:application/pgp-signature] | |