linux-kernel - [PATCH 08/19] gpio: wm8994: use new GPIO line value setter callbacks

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Message-Id: <20250709-gpiochip-set-rv-gpio-remaining-v1-8-b8950f69618d@linaro.org>
Date: Wed, 09 Jul 2025 08:41:45 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>, 
 Andy Shevchenko <andy@...nel.org>, 
 Shubhrajyoti Datta <shubhrajyoti.datta@....com>, 
 Srinivas Neeli <srinivas.neeli@....com>, 
 Michal Simek <michal.simek@....com>, Nandor Han <nandor.han@...com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 patches@...nsource.cirrus.com, linux-arm-kernel@...ts.infradead.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 08/19] gpio: wm8994: 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/gpio/gpio-wm8994.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-wm8994.c b/drivers/gpio/gpio-wm8994.c
index bf05c9b5882b89c1abbe7a0617f6a45e2968dd50..ccc005628dd278f2db5e5d8bbefe89dfb1fb2f67 100644
--- a/drivers/gpio/gpio-wm8994.c
+++ b/drivers/gpio/gpio-wm8994.c
@@ -89,7 +89,8 @@ static int wm8994_gpio_direction_out(struct gpio_chip *chip,
 			       WM8994_GPN_DIR | WM8994_GPN_LVL, value);
 }
 
-static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static int wm8994_gpio_set(struct gpio_chip *chip, unsigned int offset,
+			   int value)
 {
 	struct wm8994_gpio *wm8994_gpio = gpiochip_get_data(chip);
 	struct wm8994 *wm8994 = wm8994_gpio->wm8994;
@@ -97,7 +98,8 @@ static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 	if (value)
 		value = WM8994_GPN_LVL;
 
-	wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset, WM8994_GPN_LVL, value);
+	return wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset, WM8994_GPN_LVL,
+			       value);
 }
 
 static int wm8994_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
@@ -254,7 +256,7 @@ static const struct gpio_chip template_chip = {
 	.direction_input	= wm8994_gpio_direction_in,
 	.get			= wm8994_gpio_get,
 	.direction_output	= wm8994_gpio_direction_out,
-	.set			= wm8994_gpio_set,
+	.set_rv			= wm8994_gpio_set,
 	.set_config		= wm8994_gpio_set_config,
 	.to_irq			= wm8994_gpio_to_irq,
 	.dbg_show		= wm8994_gpio_dbg_show,

-- 
2.48.1