Le 20/06/2024 à 09:47, 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-leadtek-ltk050h3146w.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c 
b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
index 292aa26a456d..24bf05d0589f 100644
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
@@ -526,7 +526,7 @@ static int ltk050h3146w_unprepare(struct drm_panel *panel)
                return 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/588e8b4519487f6d33419c4b0fa7f8ea1b26cb58.1619869792.git.christophe.jail...@wanadoo.fr/
which never got any feedback.

CJ

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