Le 20/06/2024 à 09:48, Chen Ni a écrit :
Add check for the return value of mipi_dsi_dcs_enter_sleep_mode() and
return the error if it fails in order to catch the error.
Signed-off-by: Chen Ni <nic...@iscas.ac.cn>
---
drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
index 22a14006765e..d7c9df673f35 100644
--- a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
+++ b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
@@ -139,7 +139,7 @@ static int xpp055c272_unprepare(struct drm_panel *panel)
if (ret < 0)
dev_err(ctx->dev, "failed to set display off: %d\n", ret);
- mipi_dsi_dcs_enter_sleep_mode(dsi);
+ ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
if (ret < 0) {
dev_err(ctx->dev, "failed to enter sleep mode: %d\n", ret);
return ret;
Reviewed-by: Christophe JAILLET <christophe.jail...@wanadoo.fr>
See:
https://lore.kernel.org/all/6e3a8cb3956fe94f1259c13053fddb378e7d0d82.1619878508.git.christophe.jail...@wanadoo.fr/
which never got any feedback.
CJ
