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Date:   Sun,  3 Jan 2021 14:53:17 +0100
From:   Arnd Bergmann <>
To:     Liam Girdwood <>,
        Mark Brown <>,
        Jaroslav Kysela <>,
        Takashi Iwai <>,
        Shengjiu Wang <>,
        Nicolin Chen <>
Cc:     Arnd Bergmann <>, Fabio Estevam <>,
        Viorel Suman <>,
        Matthias Schiffer <>,,
Subject: [PATCH] ASoC: fsl_aud2htx: select SND_SOC_IMX_PCM_DMA

From: Arnd Bergmann <>

The newly added driver requires DMA support and fails to build
when that is disabled:

aarch64-linux-ld: sound/soc/fsl/fsl_aud2htx.o: in function `fsl_aud2htx_probe':
fsl_aud2htx.c:(.text+0x3e0): undefined reference to `imx_pcm_dma_init'

Fixes: 8a24c834c053 ("ASoC: fsl_aud2htx: Add aud2htx module driver")
Signed-off-by: Arnd Bergmann <>
 sound/soc/fsl/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index 84db0b7b9d59..d7f30036d434 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -108,6 +108,7 @@ config SND_SOC_FSL_XCVR
 	tristate "AUDIO TO HDMI TX module support"
 	depends on ARCH_MXC || COMPILE_TEST
+	select SND_SOC_IMX_PCM_DMA if SND_IMX_SOC != n
 	  Say Y if you want to add AUDIO TO HDMI TX support for NXP.

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