diff options
| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2025-04-08 10:36:31 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-04-08 14:05:42 +0300 |
| commit | 936df52c29b0d422665c5e84b0cffae61611411b (patch) | |
| tree | 6a544ddc2a262f7422f240d7ead3424363eaf48a | |
| parent | 50faedda12e46918a11194a30c2bedf2b983fae2 (diff) | |
| download | linux-936df52c29b0d422665c5e84b0cffae61611411b.tar.xz | |
regulator: rpi-panel-attiny: use new GPIO line value setter callbacks
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@linaro.org>
Link: https://patch.msgid.link/20250408-gpiochip-set-rv-regulator-v1-4-a18b6154b31a@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | drivers/regulator/rpi-panel-attiny-regulator.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/regulator/rpi-panel-attiny-regulator.c b/drivers/regulator/rpi-panel-attiny-regulator.c index 43a7c4737cb4..58dbf8bffa5d 100644 --- a/drivers/regulator/rpi-panel-attiny-regulator.c +++ b/drivers/regulator/rpi-panel-attiny-regulator.c @@ -205,7 +205,7 @@ static int attiny_gpio_get_direction(struct gpio_chip *gc, unsigned int off) return GPIO_LINE_DIRECTION_OUT; } -static void attiny_gpio_set(struct gpio_chip *gc, unsigned int off, int val) +static int attiny_gpio_set(struct gpio_chip *gc, unsigned int off, int val) { struct attiny_lcd *state = gpiochip_get_data(gc); u8 last_val; @@ -232,6 +232,8 @@ static void attiny_gpio_set(struct gpio_chip *gc, unsigned int off, int val) msleep(100); } + + return 0; } static int attiny_i2c_read(struct i2c_client *client, u8 reg, unsigned int *buf) @@ -349,7 +351,7 @@ static int attiny_i2c_probe(struct i2c_client *i2c) state->gc.base = -1; state->gc.ngpio = NUM_GPIO; - state->gc.set = attiny_gpio_set; + state->gc.set_rv = attiny_gpio_set; state->gc.get_direction = attiny_gpio_get_direction; state->gc.can_sleep = true; |