linux-kernel - [PATCH next] ASoC: atmel: fix build error with CONFIG_SND_ATMEL_SOC

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Date:   Mon, 13 Jan 2020 21:32:42 +0800
From:   Chen Zhou <chenzhou10@...wei.com>
To:     <broonie@...nel.org>, <perex@...ex.cz>, <tiwai@...e.com>
CC:     <linux-kernel@...r.kernel.org>, <chenzhou10@...wei.com>
Subject: [PATCH next] ASoC: atmel: fix build error with CONFIG_SND_ATMEL_SOC_DMA=m

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.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Chen Zhou <chenzhou10@...wei.com>
---
 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