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Commit 3e17af25 authored by Dan Murphy's avatar Dan Murphy Committed by Greg Kroah-Hartman
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iio: ti-ads8688: Update buffer allocation for timestamps 



commit f214ff521fb1f861c8d7f7d0af98b06bf61b3369 upstream.

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: 2a864877 ("iio: adc: ti-ads8688: add trigger and buffer support")
Signed-off-by: default avatarDan Murphy <dmurphy@ti.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent af770a15

drivers/iio/adc/ti-ads8688.c

+2 −1
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ 


#define ADS8688_VREF_MV			4096

#define ADS8688_REALBITS		16

#define ADS8688_MAX_CHANNELS		8



/*

 * enum ads8688_range - ADS8688 reference voltage range
@@ -385,7 +386,7 @@ static irqreturn_t ads8688_trigger_handler(int irq, void *p) 
{

	struct iio_poll_func *pf = p;

	struct iio_dev *indio_dev = pf->indio_dev;

	u16 buffer[8];

	u16 buffer[ADS8688_MAX_CHANNELS + sizeof(s64)/sizeof(u16)];

	int i, j = 0;



	for (i = 0; i < indio_dev->masklength; i++) {