From: Youngjae Cho <y0.cho@samsung.com>
Date: Mon, 7 Feb 2022 04:11:34 +0000 (+0900)
Subject: display: return -ENOTSUP if there is no brightness node
X-Git-Tag: submit/tizen_6.5/20220208.052648^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fc229ade95f174ec08a76c1f01b00216c5b94724;p=platform%2Fhal%2Fbackend%2Frpi%2Fdevice-rpi.git

display: return -ENOTSUP if there is no brightness node

Change-Id: Ic42e6ca43297dc8a7e7c9ad8547b0397039e7dd5
Signed-off-by: Youngjae Cho <y0.cho@samsung.com>
(cherry picked from commit e86b9bb79d0e49fde21ffb3a27882334900aacfa)
---

diff --git a/hw/display/display.c b/hw/display/display.c
index 1f11726..a3c4d54 100644
--- a/hw/display/display.c
+++ b/hw/display/display.c
@@ -44,7 +44,7 @@ static int display_get_max_brightness(int *val)
 	if (max < 0) {
 		r = sys_get_int(BACKLIGHT_PATH"/max_brightness", &max);
 		if (r < 0)
-			return r;
+			return -ENOTSUP;
 	}
 
 	*val = max;
@@ -63,7 +63,7 @@ static int display_get_brightness(int *brightness)
 	r = sys_get_int(BACKLIGHT_PATH"/brightness", &v);
 	if (r < 0) {
 		_E("fail to get brightness (errno:%d)", r);
-		return r;
+		return -ENOTSUP;
 	}
 
 	*brightness = v;
@@ -77,7 +77,7 @@ static int display_set_brightness(int brightness)
 	r = display_get_max_brightness(&max);
 	if (r < 0) {
 		_E("fail to get max brightness (errno:%d)", r);
-		return r;
+		return -ENOTSUP;
 	}
 
 	if (brightness < 0 || brightness > max) {