[alsa-devel] [PATCH] ASoC: Tegra and i.MX are mutually exclusive

Arnd Bergmann arnd at arndb.de
Mon Jun 24 17:04:20 CEST 2013

Both Tegra and i.MX provide ac97 operations, which can only
exist once in the kernel. They can both be built as loadable
modules (only one of them needs to be loaded anyway), but we
have to disallow enabling them both as built-in.

Signed-off-by: Arnd Bergmann <arnd at arndb.de>

diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index 3843a18..5958948 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -99,6 +99,7 @@ endif # SND_POWERPC_SOC
 menuconfig SND_IMX_SOC
 	tristate "SoC Audio for Freescale i.MX CPUs"
 	depends on ARCH_MXC
+	depends on SND_SOC_TEGRA=n || (SND_SOC_TEGRA=m && m)
 	  Say Y or M if you want to add support for codecs attached to
 	  the i.MX CPUs.

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