iio: stmpe-adc: Reset possible interrupts (ed1f310e) · Commits · 戴 / test

Clear any interrupt that still is on the device on every channel this driver is activated for in probe and specific channels in the timeout handler. Signed-off-by:

Philippe Schenker <philippe.schenker@toradex.com> Signed-off-by:

Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/adc/stmpe-adc.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -80,6 +80,8 @@ static int stmpe_read_voltage(struct stmpe_adc *info,
		ret = wait_for_completion_timeout(&info->completion, STMPE_ADC_TIMEOUT);

		if (ret <= 0) {
		stmpe_reg_write(info->stmpe, STMPE_REG_ADC_INT_STA,
		STMPE_ADC_CH(info->channel));
		mutex_unlock(&info->lock);
		return -ETIMEDOUT;
		}
		@@ -325,6 +327,9 @@ static int stmpe_adc_probe(struct platform_device *pdev)
		stmpe_reg_write(info->stmpe, STMPE_REG_ADC_INT_EN,
		~(norequest_mask & 0xFF));

		stmpe_reg_write(info->stmpe, STMPE_REG_ADC_INT_STA,
		~(norequest_mask & 0xFF));

		return devm_iio_device_register(&pdev->dev, indio_dev);
		}

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