The wm8962 driver uses the input subsystem, but is selected by SND_SOC_FSL_ASOC_CARD, which can be built with CONFIG_INPUT disabled, resulting in this link error:
ERROR: "input_event" [sound/soc/codecs/snd-soc-wm8962.ko] undefined! ERROR: "input_register_device" [sound/soc/codecs/snd-soc-wm8962.ko] undefined! ERROR: "devm_input_allocate_device" [sound/soc/codecs/snd-soc-wm8962.ko] undefined!
This adds an explicit Kconfig dependency to prevent this configuration from being used.
Signed-off-by: Arnd Bergmann arnd@arndb.de Fixes: 708b4351f08 ("ASoC: fsl: Add Freescale Generic ASoC Sound Card with ASRC support")
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 6164e78b466a..99e9386f7956 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -282,7 +282,7 @@ config SND_SOC_IMX_MC13783
config SND_SOC_FSL_ASOC_CARD tristate "Generic ASoC Sound Card with ASRC support" - depends on OF && I2C + depends on OF && I2C && INPUT select SND_SOC_IMX_AUDMUX select SND_SOC_IMX_PCM_DMA select SND_SOC_FSL_ESAI