[PATCH 1/2] backlight: lp855x: mark OF related data as maybe unused

[Krzysztof Kozlowski]

The driver can be compile tested with !CONFIG_OF making certain data
unused:

  drivers/video/backlight/lp855x_bl.c:551:34: error: ‘lp855x_dt_ids’ defined but not used [-Werror=unused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
---
 drivers/video/backlight/lp855x_bl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index 81012bf29baf..a57c9ef3b1cc 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -548,7 +548,7 @@ static void lp855x_remove(struct i2c_client *cl)
 	sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group);
 }
 
-static const struct of_device_id lp855x_dt_ids[] = {
+static const struct of_device_id lp855x_dt_ids[] __maybe_unused = {
 	{ .compatible = "ti,lp8550", },
 	{ .compatible = "ti,lp8551", },
 	{ .compatible = "ti,lp8552", },
-- 
2.34.1