linux-kernel - [PATCH v2 2/3] drm/panel: feiyang-fy07024di26a30d: make reset gpio optional

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Message-Id: <20220511113517.4172962-3-pgwipeout@gmail.com>
Date:   Wed, 11 May 2022 07:35:15 -0400
From:   Peter Geis <pgwipeout@...il.com>
To:     linux-rockchip@...ts.infradead.org,
        Jagan Teki <jagan@...rulasolutions.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     Heiko Stuebner <heiko@...ech.de>, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Peter Geis <pgwipeout@...il.com>
Subject: [PATCH v2 2/3] drm/panel: feiyang-fy07024di26a30d: make reset gpio optional

Some implementations do not use the reset signal, instead tying it to dvdd.
Make the reset gpio optional to permit this.

Signed-off-by: Peter Geis <pgwipeout@...il.com>
---
 drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c
index a9cd7135cb51..ee61d60eceae 100644
--- a/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c
+++ b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c
@@ -209,7 +209,7 @@ static int feiyang_dsi_probe(struct mipi_dsi_device *dsi)
 		return dev_err_probe(&dsi->dev, PTR_ERR(ctx->avdd),
 				     "Couldn't get avdd regulator\n");
 
-	ctx->reset = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_LOW);
+	ctx->reset = devm_gpiod_get_optional(&dsi->dev, "reset", GPIOD_OUT_LOW);
 	if (IS_ERR(ctx->reset))
 		return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset),
 				     "Couldn't get our reset GPIO\n");
-- 
2.25.1