[PATCH v7 11/13] drm/panel: st7703: Assert reset prior to powering down the regulators

[Ondrej Jirman]

The reset pin is inverted, so if we don't assert reset, the actual gpio
will be high and may keep driving the IO port of the panel.

Signed-off-by: Ondrej Jirman <meg...@megous.com>
Reviewed-by: Linus Walleij <linus.wall...@linaro.org>
---
 drivers/gpu/drm/panel/panel-sitronix-st7703.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c 
b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
index 7750179bca60..8996ced2b721 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
@@ -415,6 +415,7 @@ static int st7703_unprepare(struct drm_panel *panel)
        if (!ctx->prepared)
                return 0;
 
+       gpiod_set_value_cansleep(ctx->reset_gpio, 1);
        regulator_disable(ctx->iovcc);
        regulator_disable(ctx->vcc);
        ctx->prepared = false;
-- 
2.27.0