If CONFIG_KEYBOARD_APPLESPI=y but CONFIG_LEDS_CLASS=m
building fails:
drivers/input/keyboard/applespi.o: In function `applespi_probe':
applespi.c:(.text+0x1fcd): undefined reference to `devm_led_classdev_register_ext'
Wrap it in LEDS_CLASS macro to fix this.
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: 038b1a05eae6 ("Input: add Apple SPI keyboard and trackpad driver")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
drivers/input/keyboard/applespi.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/input/keyboard/applespi.c b/drivers/input/keyboard/applespi.c
index acf34a5..9c50b09 100644
--- a/drivers/input/keyboard/applespi.c
+++ b/drivers/input/keyboard/applespi.c
@@ -1790,11 +1790,13 @@ static int applespi_probe(struct spi_device *spi)
applespi->backlight_info.default_trigger = "kbd-backlight";
applespi->backlight_info.brightness_set = applespi_set_bl_level;
+#ifdef CONFIG_LEDS_CLASS
sts = devm_led_classdev_register(&spi->dev, &applespi->backlight_info);
if (sts)
dev_warn(&applespi->spi->dev,
"Unable to register keyboard backlight class dev (%d)\n",
sts);
+#endif
/* set up debugfs entries for touchpad dimensions logging */
applespi->debugfs_root = debugfs_create_dir("applespi", NULL);
--
2.7.4
