Messages in this thread Patch in this message | | | From | Jiri Slaby <> | Subject | [PATCH 3.12 131/170] iio: ti_am335x_adc: Fix: Use same step id at FIFOs both ends | Date | Fri, 18 Jul 2014 14:12:16 +0200 |
| |
From: Jan Kardell <jan.kardell@telliq.com>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit baa3c65298c089a9014b4e523a14ec2885cca1bc upstream.
Since AI lines could be selected at will (linux-3.11) the sending and receiving ends of the FIFO does not agree about what step is used for a line. It only works if the last lines are used, like 5,6,7, and fails if ie 2,4,6 is selected in DT.
Signed-off-by: Jan Kardell <jan.kardell@telliq.com> Tested-by: Zubair Lutfullah <zubair.lutfullah@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Jiri Slaby <jslaby@suse.cz> --- drivers/iio/adc/ti_am335x_adc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index a952538a1a8b..b9ed661293a7 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -155,7 +155,7 @@ static int tiadc_read_raw(struct iio_dev *indio_dev, if (time_after(jiffies, timeout)) return -EAGAIN; } - map_val = chan->channel + TOTAL_CHANNELS; + map_val = adc_dev->channel_step[chan->scan_index]; /* * When the sub-system is first enabled, -- 2.0.0
| |