linux-kernel - [PATCH 4/7] media: i2c: ds90ub953: use new GPIO line value setter callbacks

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Message-Id: <20250610-gpiochip-set-rv-media-v1-4-c088006a152c@linaro.org>
Date: Tue, 10 Jun 2025 14:35:38 +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 4/7] media: i2c: ds90ub953: 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/i2c/ds90ub953.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c
index 59bd92388845eedf64587289c7f7424ee570524a..242dbf6d48f3905c8908bbb06ede84e068e2f267 100644
--- a/drivers/media/i2c/ds90ub953.c
+++ b/drivers/media/i2c/ds90ub953.c
@@ -317,14 +317,13 @@ static int ub953_gpio_get(struct gpio_chip *gc, unsigned int offset)
 	return !!(v & UB953_REG_GPIO_PIN_STS_GPIO_STS(offset));
 }
 
-static void ub953_gpio_set(struct gpio_chip *gc, unsigned int offset, int value)
+static int ub953_gpio_set(struct gpio_chip *gc, unsigned int offset, int value)
 {
 	struct ub953_data *priv = gpiochip_get_data(gc);
 
-	regmap_update_bits(priv->regmap, UB953_REG_LOCAL_GPIO_DATA,
-			   UB953_REG_LOCAL_GPIO_DATA_GPIO_OUT_SRC(offset),
-			   value ? UB953_REG_LOCAL_GPIO_DATA_GPIO_OUT_SRC(offset) :
-				   0);
+	return regmap_update_bits(priv->regmap, UB953_REG_LOCAL_GPIO_DATA,
+				  UB953_REG_LOCAL_GPIO_DATA_GPIO_OUT_SRC(offset),
+				  value ? UB953_REG_LOCAL_GPIO_DATA_GPIO_OUT_SRC(offset) : 0);
 }
 
 static int ub953_gpio_of_xlate(struct gpio_chip *gc,
@@ -362,7 +361,7 @@ static int ub953_gpiochip_probe(struct ub953_data *priv)
 	gc->direction_input = ub953_gpio_direction_in;
 	gc->direction_output = ub953_gpio_direction_out;
 	gc->get = ub953_gpio_get;
-	gc->set = ub953_gpio_set;
+	gc->set_rv = ub953_gpio_set;
 	gc->of_xlate = ub953_gpio_of_xlate;
 	gc->of_gpio_n_cells = 2;
 

-- 
2.48.1