To solve undefined symbol errors for LED class and I2C, lp55xx-common driver should support a module build as well. make x86_64 allmodconfig failed like this: drivers/built-in.o: In function `lp55xx_unregister_leds': (.text+0x161dab): undefined reference to `led_classdev_unregister' drivers/built-in.o: In function `lp55xx_init_led': leds-lp55xx-common.c:(.text+0x161f23): undefined reference to `led_classdev_register' leds-lp55xx-common.c:(.text+0x161f9f): undefined reference to `led_classdev_unregister' drivers/built-in.o: In function `lp55xx_read': (.text+0x1621b3): undefined reference to `i2c_smbus_read_byte_data' drivers/built-in.o: In function `lp55xx_init_device': (.text+0x1622f0): undefined reference to `i2c_smbus_write_byte_data' drivers/built-in.o: In function `lp55xx_init_device': (.text+0x162331): undefined reference to `i2c_smbus_write_byte_data' drivers/built-in.o: In function `lp55xx_update_bits': (.text+0x162492): undefined reference to `i2c_smbus_write_byte_data' drivers/built-in.o: In function `lp55xx_write': (.text+0x1624c5): undefined reference to `i2c_smbus_write_byte_data' Signed-off-by: Milo(Woogyom) Kim <milo.kim@xxxxxx> --- drivers/leds/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index c7c5280..bba1bac 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -194,7 +194,7 @@ config LEDS_LP3944 module will be called leds-lp3944. config LEDS_LP55XX_COMMON - bool "Common Driver for TI/National LP5521 and LP5523/55231" + tristate "Common Driver for TI/National LP5521 and LP5523/55231" depends on LEDS_LP5521 || LEDS_LP5523 depends on I2C select FW_LOADER -- 1.7.9.5 Best Regards, Milo -- To unsubscribe from this list: send the line "unsubscribe linux-leds" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
