diff options
| author |   Philippe Schenker <philippe.schenker@toradex.com> | 2019-05-07 16:36:15 +0200 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2019-05-11 11:18:34 +0100 |
| commit | ed1f310ee23d277d5386f532165911df69afe62f (patch) | |
| tree | 65768adf1d06700eb5bdd5be4430a9ec3db804e2 /drivers/iio/adc | |
| parent | iio: stmpe-adc: Use wait_for_completion_timeout (diff) | |
| download | linux-dev-ed1f310ee23d277d5386f532165911df69afe62f.tar.xz linux-dev-ed1f310ee23d277d5386f532165911df69afe62f.zip | |
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 <philippe.schenker@toradex.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/adc')
| -rw-r--r-- | drivers/iio/adc/stmpe-adc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iio/adc/stmpe-adc.c b/drivers/iio/adc/stmpe-adc.c index 40a4648f0bc5..bd72727fc417 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); } |