From: Sean Paul Date: Wed, 17 Jan 2018 16:37:43 -0500 Subject: drm/panel: panasonic-vvx10f034n00: More return value fixes Git-commit: 4ac511165b0426c692365f8694333b6648c1046d Patch-mainline: v4.17-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 A couple more return value fixes which Philippe brought up during our previous review. Suggested-by: Philippe CORNU Reviewed-by: Philippe Cornu Signed-off-by: Sean Paul Link: https://patchwork.freedesktop.org/patch/msgid/20180117213751.54668-1-seanpaul@chromium.org Acked-by: Petr Tesarik --- drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) --- a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c +++ b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c @@ -59,35 +59,28 @@ static inline struct wuxga_nt_panel *to_ static int wuxga_nt_panel_on(struct wuxga_nt_panel *wuxga_nt) { - struct mipi_dsi_device *dsi = wuxga_nt->dsi; - int ret; - - ret = mipi_dsi_turn_on_peripheral(dsi); - if (ret < 0) - return ret; - - return 0; + return mipi_dsi_turn_on_peripheral(wuxga_nt->dsi); } static int wuxga_nt_panel_disable(struct drm_panel *panel) { struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel); - int ret; + int mipi_ret, bl_ret = 0; if (!wuxga_nt->enabled) return 0; - ret = mipi_dsi_shutdown_peripheral(wuxga_nt->dsi); + mipi_ret = mipi_dsi_shutdown_peripheral(wuxga_nt->dsi); if (wuxga_nt->backlight) { wuxga_nt->backlight->props.power = FB_BLANK_POWERDOWN; wuxga_nt->backlight->props.state |= BL_CORE_FBBLANK; - backlight_update_status(wuxga_nt->backlight); + bl_ret = backlight_update_status(wuxga_nt->backlight); } wuxga_nt->enabled = false; - return ret; + return mipi_ret ? mipi_ret : bl_ret; } static int wuxga_nt_panel_unprepare(struct drm_panel *panel)