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iio: ti-ads8688: Update buffer allocation for timestamps
Per Jonathan Cameron, the buffer needs to allocate room for a
64 bit timestamp as well as the channels. Change the buffer
to allocate this additional space.
Fixes: 2a86487786
("iio: adc: ti-ads8688: add trigger and buffer support")
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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parent
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1 changed files with 2 additions and 1 deletions
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@ -41,6 +41,7 @@
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#define ADS8688_VREF_MV 4096
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#define ADS8688_REALBITS 16
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#define ADS8688_MAX_CHANNELS 8
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/*
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* enum ads8688_range - ADS8688 reference voltage range
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@ -385,7 +386,7 @@ static irqreturn_t ads8688_trigger_handler(int irq, void *p)
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{
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struct iio_poll_func *pf = p;
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struct iio_dev *indio_dev = pf->indio_dev;
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u16 buffer[8];
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u16 buffer[ADS8688_MAX_CHANNELS + sizeof(s64)/sizeof(u16)];
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int i, j = 0;
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for (i = 0; i < indio_dev->masklength; i++) {
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