Commit e18788af authored by Jonathan Cameron's avatar Jonathan Cameron
Browse files

Revert "iio: hi8435: cleanup reset gpio" 



This reverts commit 61305664.

This commit was applied prematurely and will break some existing
situations where the signal is inverted as part of voltage level
conversions.

Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 0a178fd7

drivers/iio/adc/hi8435.c

+5 −7
Original line number Diff line number Diff line
@@ -476,15 +476,13 @@ static int hi8435_probe(struct spi_device *spi) 
	priv->spi = spi;



	reset_gpio = devm_gpiod_get(&spi->dev, NULL, GPIOD_OUT_LOW);

	if (!IS_ERR(reset_gpio)) {

		/* need >=100ns low pulse to reset chip */

		gpiod_set_raw_value_cansleep(reset_gpio, 0);

		udelay(1);

		gpiod_set_raw_value_cansleep(reset_gpio, 1);

	} else {

		/* s/w reset chip if h/w reset is not available */

	if (IS_ERR(reset_gpio)) {

		/* chip s/w reset if h/w reset failed */

		hi8435_writeb(priv, HI8435_CTRL_REG, HI8435_CTRL_SRST);

		hi8435_writeb(priv, HI8435_CTRL_REG, 0);

	} else {

		udelay(5);

		gpiod_set_value(reset_gpio, 1);

	}



	spi_set_drvdata(spi, idev);