In saarb_pm860x_init() and evb3_pm860x_init(), we call pm860x_hs_jack_detect() and pm860x_mic_jack_detect() which in turn calls pm860x_set_bits(). Thus make SND_SOC_SAARB and SND_SOC_TAVOREVB3 select MFD_88PM860X.
This patch fixes below build error if CONFIG_MFD_88PM860X is not configured.
LD .tmp_vmlinux1 sound/built-in.o: In function `pm860x_write_reg_cache': last.c:(.text+0x29e9c): undefined reference to `pm860x_reg_write' sound/built-in.o: In function `pm860x_set_bias_level': last.c:(.text+0x29ecc): undefined reference to `pm860x_set_bits' last.c:(.text+0x29f00): undefined reference to `pm860x_reg_write' last.c:(.text+0x29f18): undefined reference to `pm860x_reg_write' sound/built-in.o: In function `pm860x_read_reg_cache': last.c:(.text+0x29f40): undefined reference to `pm860x_reg_read' sound/built-in.o: In function `pm860x_probe': last.c:(.text+0x2a034): undefined reference to `pm860x_bulk_read' sound/built-in.o: In function `pm860x_codec_handler': last.c:(.text+0x2a344): undefined reference to `pm860x_reg_read' last.c:(.text+0x2a354): undefined reference to `pm860x_reg_read' sound/built-in.o: In function `pm860x_mic_jack_detect': last.c:(.text+0x2a450): undefined reference to `pm860x_set_bits' sound/built-in.o: In function `pm860x_hs_jack_detect': last.c:(.text+0x2a4d0): undefined reference to `pm860x_set_bits' last.c:(.text+0x2a4f8): undefined reference to `pm860x_set_bits' last.c:(.text+0x2a510): undefined reference to `pm860x_set_bits' make: *** [.tmp_vmlinux1] Error 1
Signed-off-by: Axel Lin axel.lin@gmail.com --- sound/soc/pxa/Kconfig | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig index 33ebc46b..ffd2242 100644 --- a/sound/soc/pxa/Kconfig +++ b/sound/soc/pxa/Kconfig @@ -121,6 +121,7 @@ config SND_PXA2XX_SOC_PALM27X config SND_SOC_SAARB tristate "SoC Audio support for Marvell Saarb" depends on SND_PXA2XX_SOC && MACH_SAARB + select MFD_88PM860X select SND_PXA_SOC_SSP select SND_SOC_88PM860X help @@ -130,6 +131,7 @@ config SND_SOC_SAARB config SND_SOC_TAVOREVB3 tristate "SoC Audio support for Marvell Tavor EVB3" depends on SND_PXA2XX_SOC && MACH_TAVOREVB3 + select MFD_88PM860X select SND_PXA_SOC_SSP select SND_SOC_88PM860X help