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SubjectRe: [PATCH] ASoC: rt5677: add SPI_MASTER dependency
On Mon, Jan 6, 2020 at 10:55 PM Pierre-Louis Bossart
<pierre-louis.bossart@linux.intel.com> wrote:
> On 12/11/19 4:59 AM, Jon Hunter wrote:
> >
> > On 10/12/2019 19:52, Arnd Bergmann wrote:
> >> When CONFIG_SPI is disabled, the newly added code for the DSP
> >> firmware loading fails to link:
> >>
> >> ERROR: "rt5677_spi_hotword_detected" [sound/soc/codecs/snd-soc-rt5677.ko] undefined!
> >> ERROR: "rt5677_spi_write" [sound/soc/codecs/snd-soc-rt5677.ko] undefined!
> >
> > Would it be better if the above functions or the functions that call
> > these are conditional on CONFIG_SND_SOC_RT5677_SPI?
>
> they are already conditional, with a fallback provided:
>
> #if IS_ENABLED(CONFIG_SND_SOC_RT5677_SPI)
> int rt5677_spi_read(u32 addr, void *rxbuf, size_t len);

Right, this fixed the problem.

> in theory if SPI is not enabled the fallback static inlines would always
> be selected?
>
> Arnd, if you can share the .config that exposes this problem it'd be nice

I just tried it again and it seems that the issue was already fixed by
commit fb3194413d1e ("ASoC: rt5677: Fix build error without CONFIG_SPI"),
which had not been merged by the time I created my patch as an
alternative workaround.

Arnd

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