shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-04 18:19:28 +09:00
Code Issues Packages Projects Releases Wiki Activity

iio: ti-ads8688: Update buffer allocation for timestamps

Browse Source 
commit f214ff521f 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: 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Murphy
2019-01-11 13:57:07 -06:00
committed by Greg Kroah-Hartman
parent af770a1558
commit 3e17af253e
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/iio/adc/ti-ads8688.c
View File

@@ -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++) {