iio: hi8435: Use gpiod_set_value_cansleep()

Use gpiod_set_value_cansleep() instead of gpiod_set_value() to support
the case when reset pin is connected to a GPIO expander. See ZII VF610
SCU4 AIB for one such example.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-iio@vger.kernel.org
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Chris Healy <cphealy@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/hi8435.c b/drivers/iio/adc/hi8435.c
index 35951c4..c15f0e1 100644 (file)
--- a/drivers/iio/adc/hi8435.c
+++ b/drivers/iio/adc/hi8435.c
@@ -477,7 +477,7 @@ static int hi8435_probe(struct spi_device *spi)
                hi8435_writeb(priv, HI8435_CTRL_REG, 0);
        } else {
                udelay(5);
-               gpiod_set_value(reset_gpio, 1);
+               gpiod_set_value_cansleep(reset_gpio, 1);
        }
 
        spi_set_drvdata(spi, idev);