On 13.01.2020 15:32, Chen Zhou wrote: > If CONFIG_SND_ATMEL_SOC_DMA=m, build error: > > sound/soc/atmel/atmel_ssc_dai.o: In function `atmel_ssc_set_audio': > (.text+0x7cd): undefined reference to `atmel_pcm_dma_platform_register' > > Function atmel_pcm_dma_platform_register is defined under > CONFIG SND_ATMEL_SOC_DMA, so select SND_ATMEL_SOC_DMA in > CONFIG SND_ATMEL_SOC_SSC, same to CONFIG_SND_ATMEL_SOC_PDC. Arnd sent a more complete patch for this issue: https://lkml.org/lkml/2019/10/1/620 It wasn't merged due to some integration issues. Could you please try it and let us know if it fixes your issue? Thanks and best regards, Codrin > > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx> > --- > sound/soc/atmel/Kconfig | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/sound/soc/atmel/Kconfig b/sound/soc/atmel/Kconfig > index f118c22..d1dc8e6 100644 > --- a/sound/soc/atmel/Kconfig > +++ b/sound/soc/atmel/Kconfig > @@ -19,6 +19,8 @@ config SND_ATMEL_SOC_DMA > > config SND_ATMEL_SOC_SSC > tristate > + select SND_ATMEL_SOC_DMA > + select SND_ATMEL_SOC_PDC > > config SND_ATMEL_SOC_SSC_PDC > tristate "SoC PCM DAI support for AT91 SSC controller using PDC" > -- > 2.7.4 > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel