linux-kernel - [PATCH v2 3/7] media: solo6x10: use new GPIO line value setter callbacks

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Message-Id: <20250616-gpiochip-set-rv-media-v2-3-6825114f18b0@linaro.org>
Date: Mon, 16 Jun 2025 09:18:52 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Bluecherry Maintainers <maintainers@...echerrydvr.com>, 
 Andrey Utkin <andrey_utkin@...tmail.com>, 
 Ismael Luceno <ismael@...ev.co.uk>, 
 Tomi Valkeinen <tomi.valkeinen@...asonboard.com>, 
 Julien Massot <julien.massot@...labora.com>, 
 Jacopo Mondi <jacopo+renesas@...ndi.org>, 
 Kieran Bingham <kieran.bingham+renesas@...asonboard.com>, 
 Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>, 
 Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-gpio@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH v2 3/7] media: solo6x10: use new GPIO line value setter
 callbacks

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/media/pci/solo6x10/solo6x10-gpio.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/media/pci/solo6x10/solo6x10-gpio.c b/drivers/media/pci/solo6x10/solo6x10-gpio.c
index f51f865c69bd7b04fac7a1f951c734965d8fc993..b16a8453a62afd5a420b03bfb1967d18e1cb1167 100644
--- a/drivers/media/pci/solo6x10/solo6x10-gpio.c
+++ b/drivers/media/pci/solo6x10/solo6x10-gpio.c
@@ -127,8 +127,8 @@ static int solo_gpiochip_get(struct gpio_chip *chip,
 	return 1 & (ret >> (offset + 8));
 }
 
-static void solo_gpiochip_set(struct gpio_chip *chip,
-						unsigned int offset, int value)
+static int solo_gpiochip_set(struct gpio_chip *chip,
+			     unsigned int offset, int value)
 {
 	struct solo_dev *solo_dev = gpiochip_get_data(chip);
 
@@ -136,6 +136,8 @@ static void solo_gpiochip_set(struct gpio_chip *chip,
 		solo_gpio_set(solo_dev, 1 << (offset + 8));
 	else
 		solo_gpio_clear(solo_dev, 1 << (offset + 8));
+
+	return 0;
 }
 #endif
 
@@ -156,7 +158,7 @@ int solo_gpio_init(struct solo_dev *solo_dev)
 
 	solo_dev->gpio_dev.get_direction = solo_gpiochip_get_direction;
 	solo_dev->gpio_dev.get = solo_gpiochip_get;
-	solo_dev->gpio_dev.set = solo_gpiochip_set;
+	solo_dev->gpio_dev.set_rv = solo_gpiochip_set;
 
 	ret = gpiochip_add_data(&solo_dev->gpio_dev, solo_dev);
 

-- 
2.48.1