IIO: GYRO: ADXRS450: enforce sequential transfer delay of at least 0.1ms

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/iio/gyro/adxrs450_core.c b/drivers/staging/iio/gyro/adxrs450_core.c
index 5671276580f0829c70e3080b9e708f3edf9ed611..d73acff438462e892e683a709a67bd684285ef59 100644 (file)
--- a/drivers/staging/iio/gyro/adxrs450_core.c
+++ b/drivers/staging/iio/gyro/adxrs450_core.c
@@ -116,6 +116,7 @@ static int adxrs450_spi_write_reg_16(struct device *dev,
        if (ret)
                dev_err(&st->us->dev, "problem while writing 16 bit register 0x%02x\n",
                                reg_address);
+       msleep(1); /* enforce sequential transfer delay 0.1ms */
        mutex_unlock(&st->buf_lock);
        return ret;
 }