Messages in this thread Patch in this message | | | From | Philippe Schenker <> | Subject | [PATCH 5/5] iio: stmpe-adc: Reset possible interrupts | Date | Tue, 7 May 2019 16:36:15 +0200 |
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From: Philippe Schenker <philippe.schenker@toradex.com>
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>
---
drivers/iio/adc/stmpe-adc.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/iio/adc/stmpe-adc.c b/drivers/iio/adc/stmpe-adc.c index cc752a47444c..a5990e9f2c80 100644 --- a/drivers/iio/adc/stmpe-adc.c +++ b/drivers/iio/adc/stmpe-adc.c @@ -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; } @@ -326,6 +328,9 @@ 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); } -- 2.21.0
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