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 <nichen@xxxxxxxxxxx>
---
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;
--
2.25.1
