Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3e4334f2 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

staging:iio:ad7793: Use usleep_range instead of msleep 



It is recommended to use usleep_range instead of msleep for durations smaller
than a 20ms.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent e4ac7283

drivers/staging/iio/adc/ad7793.c

+1 −1
Original line number Diff line number Diff line
@@ -122,7 +122,7 @@ static int ad7793_setup(struct iio_dev *indio_dev, 
	ret = spi_write(st->sd.spi, (u8 *)&ret, sizeof(ret));

	if (ret < 0)

		goto out;

	msleep(1); /* Wait for at least 500us */

	usleep_range(500, 2000); /* Wait for at least 500us */



	/* write/read test for device presence */

	ret = ad_sd_read_reg(&st->sd, AD7793_REG_ID, 1, &id);