aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/staging/iio/adc/mxs-lradc.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index 2856b8fd44ad..163c638e4095 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -690,7 +690,6 @@ static void mxs_lradc_trigger_remove(struct iio_dev *iio)
690static int mxs_lradc_buffer_preenable(struct iio_dev *iio) 690static int mxs_lradc_buffer_preenable(struct iio_dev *iio)
691{ 691{
692 struct mxs_lradc *lradc = iio_priv(iio); 692 struct mxs_lradc *lradc = iio_priv(iio);
693 struct iio_buffer *buffer = iio->buffer;
694 int ret = 0, chan, ofs = 0; 693 int ret = 0, chan, ofs = 0;
695 unsigned long enable = 0; 694 unsigned long enable = 0;
696 uint32_t ctrl4_set = 0; 695 uint32_t ctrl4_set = 0;
@@ -698,7 +697,7 @@ static int mxs_lradc_buffer_preenable(struct iio_dev *iio)
698 uint32_t ctrl1_irq = 0; 697 uint32_t ctrl1_irq = 0;
699 const uint32_t chan_value = LRADC_CH_ACCUMULATE | 698 const uint32_t chan_value = LRADC_CH_ACCUMULATE |
700 ((LRADC_DELAY_TIMER_LOOP - 1) << LRADC_CH_NUM_SAMPLES_OFFSET); 699 ((LRADC_DELAY_TIMER_LOOP - 1) << LRADC_CH_NUM_SAMPLES_OFFSET);
701 const int len = bitmap_weight(buffer->scan_mask, LRADC_MAX_TOTAL_CHANS); 700 const int len = bitmap_weight(iio->active_scan_mask, LRADC_MAX_TOTAL_CHANS);
702 701
703 if (!len) 702 if (!len)
704 return -EINVAL; 703 return -EINVAL;
@@ -725,7 +724,7 @@ static int mxs_lradc_buffer_preenable(struct iio_dev *iio)
725 lradc->base + LRADC_CTRL1 + STMP_OFFSET_REG_CLR); 724 lradc->base + LRADC_CTRL1 + STMP_OFFSET_REG_CLR);
726 writel(0xff, lradc->base + LRADC_CTRL0 + STMP_OFFSET_REG_CLR); 725 writel(0xff, lradc->base + LRADC_CTRL0 + STMP_OFFSET_REG_CLR);
727 726
728 for_each_set_bit(chan, buffer->scan_mask, LRADC_MAX_TOTAL_CHANS) { 727 for_each_set_bit(chan, iio->active_scan_mask, LRADC_MAX_TOTAL_CHANS) {
729 ctrl4_set |= chan << LRADC_CTRL4_LRADCSELECT_OFFSET(ofs); 728 ctrl4_set |= chan << LRADC_CTRL4_LRADCSELECT_OFFSET(ofs);
730 ctrl4_clr |= LRADC_CTRL4_LRADCSELECT_MASK(ofs); 729 ctrl4_clr |= LRADC_CTRL4_LRADCSELECT_MASK(ofs);
731 ctrl1_irq |= LRADC_CTRL1_LRADC_IRQ_EN(ofs); 730 ctrl1_irq |= LRADC_CTRL1_LRADC_IRQ_EN(ofs);