summaryrefslogtreecommitdiffstats
path: root/drivers/iio
diff options
context:
space:
mode:
authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2013-12-19 16:28:30 +0100
committerLee Jones <lee.jones@linaro.org>2014-01-07 09:42:38 +0100
commit3954b7bfc665fed878cabe57342bae34d2391478 (patch)
treef5b7dc9cdcac9bf3268e87e619f6e3a1dac019a1 /drivers/iio
parentmfd: ti_am335x_tscadc: Don't read back REG_SE (diff)
downloadlinux-3954b7bfc665fed878cabe57342bae34d2391478.tar.xz
linux-3954b7bfc665fed878cabe57342bae34d2391478.zip
mfd: ti_am335x: Drop am335x_tsc_se_update() from resume path
The update of the SE register in MFD doesn't look right as it has nothing to do with it. The better place to do it is in TSC driver (which is already doing it) and in the ADC driver which needs this only in the continues mode. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/adc/ti_am335x_adc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index 95eef8e89979..e0dc2d0e7590 100644
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -199,6 +199,7 @@ static int tiadc_buffer_predisable(struct iio_dev *indio_dev)
tiadc_writel(adc_dev, REG_IRQCLR, (IRQENB_FIFO1THRES |
IRQENB_FIFO1OVRRUN | IRQENB_FIFO1UNDRFLW));
am335x_tsc_se_clr(adc_dev->mfd_tscadc, adc_dev->buffer_en_ch_steps);
+ adc_dev->buffer_en_ch_steps = 0;
/* Flush FIFO of leftover data in the time it takes to disable adc */
fifo1count = tiadc_readl(adc_dev, REG_FIFO1CNT);
@@ -491,6 +492,7 @@ static int tiadc_resume(struct device *dev)
tiadc_writel(adc_dev, REG_CTRL, restore);
tiadc_step_config(indio_dev);
+ am335x_tsc_se_set(adc_dev->mfd_tscadc, adc_dev->buffer_en_ch_steps);
return 0;
}