[alsa-devel] [PATCH -next] ASoC: atmel: Fix build error

[Michał Mirosław]

On Sat, Sep 28, 2019 at 04:16:41PM +0800, YueHaibing wrote:
> when do randbuilding, I got this error:
> 
> sound/soc/atmel/atmel_ssc_dai.o: In function `atmel_ssc_set_audio':
> (.text+0x12f6): undefined reference to `atmel_pcm_pdc_platform_register'
> 
> This is because SND_ATMEL_SOC_SSC_DMA=y, SND_ATMEL_SOC_SSC=y,
> but SND_ATMEL_SOC_SSC_PDC=m. Fix it bt reintroducing the default Kconfig.

Defaults won't forbid the invalid configuration. Can you try following:

diff --git a/sound/soc/atmel/Kconfig b/sound/soc/atmel/Kconfig
index f118c229ed82..461f023c5635 100644
--- a/sound/soc/atmel/Kconfig
+++ b/sound/soc/atmel/Kconfig
@@ -12,10 +12,12 @@ if SND_ATMEL_SOC
 config SND_ATMEL_SOC_PDC
 	tristate
 	depends on HAS_DMA
+	select SND_ATMEL_SOC_SSC
 
 config SND_ATMEL_SOC_DMA
 	tristate
 	select SND_SOC_GENERIC_DMAENGINE_PCM
+	select SND_ATMEL_SOC_SSC
 
 config SND_ATMEL_SOC_SSC
 	tristate
@@ -24,7 +26,6 @@ config SND_ATMEL_SOC_SSC_PDC
 	tristate "SoC PCM DAI support for AT91 SSC controller using PDC"
 	depends on ATMEL_SSC
 	select SND_ATMEL_SOC_PDC
-	select SND_ATMEL_SOC_SSC
 	help
 	  Say Y or M if you want to add support for Atmel SSC interface
 	  in PDC mode configured using audio-graph-card in device-tree.
@@ -33,7 +34,6 @@ config SND_ATMEL_SOC_SSC_DMA
 	tristate "SoC PCM DAI support for AT91 SSC controller using DMA"
 	depends on ATMEL_SSC
 	select SND_ATMEL_SOC_DMA
-	select SND_ATMEL_SOC_SSC
 	help
 	  Say Y or M if you want to add support for Atmel SSC interface
 	  in DMA mode configured using audio-graph-card in device-tree.