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From: Sebastian Reichel <sre@kernel.org>
To: Sebastian Reichel <sre@kernel.org>
Cc: Gerald Loacker <gerald.loacker@wolfvision.net>,
	Michael Riesch <michael.riesch@wolfvision.net>,
	Thierry Reding <thierry.reding@gmail.com>,
	Sam Ravnborg <sam@ravnborg.org>, David Airlie <airlied@gmail.com>,
	Daniel Vetter <daniel@ffwll.ch>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	devicetree@vger.kernel.org
Subject: [PATCH v2 05/13] drm/panel: sitronix-st7789v: make reset GPIO optional
Date: Sat, 22 Apr 2023 22:50:04 +0200	[thread overview]
Message-ID: <20230422205012.2464933-6-sre@kernel.org> (raw)
In-Reply-To: <20230422205012.2464933-1-sre@kernel.org>

The reset pin might not be software controllable from the SoC,
so make it optional.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
---
 drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index f7566551b5e2..1d43b8cc1647 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -369,7 +369,7 @@ static int st7789v_probe(struct spi_device *spi)
 	if (IS_ERR(ctx->power))
 		return PTR_ERR(ctx->power);
 
-	ctx->reset = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_LOW);
+	ctx->reset = devm_gpiod_get_optional(&spi->dev, "reset", GPIOD_OUT_LOW);
 	if (IS_ERR(ctx->reset)) {
 		dev_err(&spi->dev, "Couldn't get our reset line\n");
 		return PTR_ERR(ctx->reset);
-- 
2.39.2


  parent reply	other threads:[~2023-04-22 20:50 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-22 20:49 [PATCH v2 00/13] Add Inanbo T28CP45TN89 panel support Sebastian Reichel
2023-04-22 20:50 ` [PATCH v2 01/13] dt-bindings: vendor-prefixes: add Inanbo Sebastian Reichel
2023-04-22 20:50 ` [PATCH v2 02/13] dt-bindings: display: st7789v: add Inanbo T28CP45TN89 Sebastian Reichel
2023-04-25 18:49   ` Rob Herring
2023-04-22 20:50 ` [PATCH v2 03/13] drm/panel: sitronix-st7789v: add SPI ID table Sebastian Reichel
2023-04-22 20:50 ` [PATCH v2 04/13] drm/panel: sitronix-st7789v: remove unused constants Sebastian Reichel
2023-04-22 20:50 ` Sebastian Reichel [this message]
2023-04-22 20:50 ` [PATCH v2 06/13] drm/panel: sitronix-st7789v: simplify st7789v_spi_write Sebastian Reichel
2023-04-22 20:50 ` [PATCH v2 07/13] drm/panel: sitronix-st7789v: improve error handling Sebastian Reichel
2023-04-22 20:50 ` [PATCH v2 08/13] drm/panel: sitronix-st7789v: avoid hardcoding mode info Sebastian Reichel
2023-05-05 12:33   ` Michael Riesch
2023-04-22 20:50 ` [PATCH v2 09/13] drm/panel: sitronix-st7789v: avoid hardcoding panel size Sebastian Reichel
2023-04-22 20:50 ` [PATCH v2 10/13] drm/panel: sitronix-st7789v: add media bus format Sebastian Reichel
2023-04-22 20:50 ` [PATCH v2 11/13] drm/panel: sitronix-st7789v: avoid hardcoding invert mode Sebastian Reichel
2023-04-22 20:50 ` [PATCH v2 12/13] drm/panel: sitronix-st7789v: avoid hardcoding polarity info Sebastian Reichel
2023-04-22 20:50 ` [PATCH v2 13/13] drm/panel: sitronix-st7789v: add Inanbo T28CP45TN89 support Sebastian Reichel
2023-07-12 16:31 ` [PATCH v2 00/13] Add Inanbo T28CP45TN89 panel support Miquel Raynal

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