diff --git a/drivers/iio/dac/ds4424.c b/drivers/iio/dac/ds4424.c index 3e72a40d053c..f9cdc695032d 100644 --- a/drivers/iio/dac/ds4424.c +++ b/drivers/iio/dac/ds4424.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include @@ -244,7 +245,13 @@ static int ds4424_probe(struct i2c_client *client) return ret; } - usleep_range(1000, 1200); + /* + * The datasheet does not specify a power-up to I2C ready time. + * Maintain the existing conservative 1ms delay to ensure the + * device is ready for communication. + */ + fsleep(1 * USEC_PER_MSEC); + ret = ds4424_verify_chip(indio_dev); if (ret < 0) goto fail;