From: Philippe Schenker Date: Tue, 7 May 2019 14:36:15 +0000 (+0200) Subject: iio: stmpe-adc: Reset possible interrupts X-Git-Tag: v5.15~5977^2~470^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ed1f310ee23d277d5386f532165911df69afe62f;p=platform%2Fkernel%2Flinux-starfive.git iio: stmpe-adc: Reset possible interrupts 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 Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/adc/stmpe-adc.c b/drivers/iio/adc/stmpe-adc.c index 40a4648..bd72727 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; } @@ -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); }