Sorry for the trouble. Looks like these rt5514_spi_* functions should be guarded by #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) I'll resend the patch to address this. Thanks, Hsin-yu On Fri, Aug 25, 2017 at 3:41 PM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > Hi all, > > After merging the sound-asoc tree, today's linux-next build (powerpc > allyesconfig) failed like this: > > sound/soc/codecs/rt5514.c: In function 'rt5514_dsp_voice_wake_up_put': > sound/soc/codecs/rt5514.c:343:11: error: implicit declaration of function 'rt5514_spi_burst_write' [-Werror=implicit-function-declaration] > ret = rt5514_spi_burst_write(0x4ff80000, > ^ > > Caused by commit > > d18420b0a0b8 ("ASoC: rt5514: expose Hotword Model control") > > I have reverted that commit for today. > > -- > Cheers, > Stephen Rothwell -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html