From: Arnd Bergmann arnd@arndb.de
The symbol "nuc900_ac97_data" is used by the nuc900_pcm driver, which may be a loadable module, so we should export it.
If one tries to build SND_SOC_NUC900 without SND_SOC_NUC900_AC97, the kernel fails to link because of the reference to nuc900_ac97_data.
Signed-off-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Xia Kaixu kaixu.xia@linaro.org Cc: Mark Brown broonie@kernel.org Cc: Liam Girdwood lgirdwood@gmail.com Cc: Wan ZongShun mcuos.com@gmail.com Cc: alsa-devel@alsa-project.org Cc: linux-arm-kernel@lists.infradead.org --- sound/soc/nuc900/Kconfig | 1 + sound/soc/nuc900/nuc900-ac97.c | 1 + 2 files changed, 2 insertions(+)
diff --git a/sound/soc/nuc900/Kconfig b/sound/soc/nuc900/Kconfig index a0ed1c6..7f0c954 100644 --- a/sound/soc/nuc900/Kconfig +++ b/sound/soc/nuc900/Kconfig @@ -4,6 +4,7 @@ config SND_SOC_NUC900 tristate "SoC Audio for NUC900 series" depends on ARCH_W90X900 + select SND_SOC_NUC900_AC97 help This option enables support for AC97 mode on the NUC900 SoC.
diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.c index 8987bf9..f2f6794 100644 --- a/sound/soc/nuc900/nuc900-ac97.c +++ b/sound/soc/nuc900/nuc900-ac97.c @@ -28,6 +28,7 @@
static DEFINE_MUTEX(ac97_mutex); struct nuc900_audio *nuc900_ac97_data; +EXPORT_SYMBOL_GPL(nuc900_ac97_data);
static int nuc900_checkready(void) {