iio: hi8435: Use gpiod_set_value_cansleep()
authorAndrey Smirnov <andrew.smirnov@gmail.com>
Sun, 11 Aug 2019 05:45:11 +0000 (22:45 -0700)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 11 Aug 2019 08:46:13 +0000 (09:46 +0100)
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>
drivers/iio/adc/hi8435.c

index 35951c47004eb762cb3f48405ee3c5c200e5983f..c15f0e154e4d1b5e3ced5d571d13c4309b861e41 100644 (file)
@@ -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);