On Tue, 23 Aug 2011 19:46:00 +0800 Axel Lin wrote:

hi, I got below build failure if CONFIG_I2C=m && CONFIG_SPI=y && CONFIG_SND_SOC=y

LD .tmp_vmlinux1 sound/built-in.o: In function `snd_soc_codec_set_cache_io': last.c:(.text+0x1cb80): undefined reference to `regmap_init_i2c' make: *** [.tmp_vmlinux1] Error 1

I don't know if this is the same failure or just similar:

ERROR: "regmap_exit" [drivers/mfd/wm8400-core.ko] undefined! ERROR: "regmap_bulk_read" [drivers/mfd/wm8400-core.ko] undefined! ERROR: "regmap_read" [drivers/mfd/wm8400-core.ko] undefined! ERROR: "regmap_init_i2c" [drivers/mfd/wm8400-core.ko] undefined! ERROR: "regmap_raw_read" [drivers/mfd/wm8400-core.ko] undefined! ERROR: "regmap_write" [drivers/mfd/wm8400-core.ko] undefined!

Maybe MFD_WM8400 needs to select REGMAP_I2C ?

--- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code ***