Thread (34 messages) 34 messages, 3 authors, 2021-10-07

[PATCH 03/10] backlight: qcom-wled: Override num-strings when enabled-strings is set

flat view
STALE1828d REVIEWED: 1 (0M)

From: Marijn Suijten <marijn.suijten@somainline.org>
Date: 2021-10-04 19:27:57
Also in: dri-devel, linux-arm-msm, lkml, phone-devel
Subsystem: arm/qualcomm mailing list, backlight class/subsystem, framebuffer layer, the rest · Maintainers: Lee Jones, Daniel Thompson, Jingoo Han, Helge Deller, Linus Torvalds

Revision v1 of 4 in this series; 1 review trailer.

Revisions (4)
  1. v1 current
  2. v2 [diff vs current]
  3. v2 [diff vs current]
  4. v3 [diff vs current]
DT-bindings do not specify num-strings as mandatory property, yet it is
required to be specified even if enabled-strings is used.  The length of
that property-array should already be enough to determine exactly which
and how many strings to enable.

Fixes: 775d2ffb4af6 ("backlight: qcom-wled: Restructure the driver for WLED3")
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <redacted>
---
 drivers/video/backlight/qcom-wled.c | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/drivers/video/backlight/qcom-wled.c b/drivers/video/backlight/qcom-wled.c
index 9927ed98944a..29910e603c42 100644
--- a/drivers/video/backlight/qcom-wled.c
+++ b/drivers/video/backlight/qcom-wled.c
@@ -1536,6 +1536,8 @@ static int wled_configure(struct wled *wled)
 				string_len, rc);
 			return -EINVAL;
 		}
+
+		cfg->num_strings = string_len;
 	}
 
 	return 0;
-- 
2.33.0
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help