Merge "iio: adc: Increase VADC polling delay for EOC to 300ms"

 * clock rate, fast average samples with no measurement in queue.

 * Set the timeout to a max of 100ms.

 */

#define ADC_CONV_TIME_MIN_US			263

#define ADC_CONV_TIME_MAX_US			264

#define ADC_CONV_TIME_RETRY_POLL		570

#define ADC_CONV_TIME_RETRY				190

#define ADC_POLL_DELAY_MIN_US			10000

#define ADC_POLL_DELAY_MAX_US			10001

#define ADC_CONV_TIME_RETRY_POLL		40

#define ADC_CONV_TIME_RETRY			30

#define ADC_CONV_TIMEOUT			msecs_to_jiffies(100)

/* CAL peripheral */

		status1 &= ADC_USR_STATUS1_REQ_STS_EOC_MASK;

		if (status1 == ADC_USR_STATUS1_EOC)

			return 0;

		usleep_range(ADC_CONV_TIME_MIN_US, ADC_CONV_TIME_MAX_US);

		usleep_range(ADC_POLL_DELAY_MIN_US, ADC_POLL_DELAY_MAX_US);

	}

	return -ETIMEDOUT;