'ret' is know to be >=0 a this point. Checking the return value of 'mipi_dsi_dcs_enter_sleep_mode()' was intended instead.

So add the missing assignment.

Fixes: d1479d028af2 ("drm/panel: add panel driver for Xinpeng XPP055C272 panels") Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr --- 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 55172d63a922..4e51303153af 100644 --- a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c +++ b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c @@ -151,7 +151,7 @@ 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;