mfd: ti_am335x_tscadc: Don't read back REG_SE

[~andy/linux] / drivers / iio / adc / ti_am335x_adc.c

diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index ce8d03ac900fdd444f60e49e5f536aabce0074b4..95eef8e8997982431b845d3109f284de4dff237f 100644 (file)
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -181,7 +181,7 @@ static int tiadc_buffer_postenable(struct iio_dev *indio_dev)
                enb |= (get_adc_step_bit(adc_dev, bit) << 1);
        adc_dev->buffer_en_ch_steps = enb;
 
-       am335x_tsc_se_set(adc_dev->mfd_tscadc, enb);
+       am335x_tsc_se_set_cache(adc_dev->mfd_tscadc, enb);
 
        tiadc_writel(adc_dev,  REG_IRQSTATUS, IRQENB_FIFO1THRES
                                | IRQENB_FIFO1OVRRUN | IRQENB_FIFO1UNDRFLW);
@@ -332,7 +332,7 @@ static int tiadc_read_raw(struct iio_dev *indio_dev,
                return -EBUSY;
 
        step_en = get_adc_step_mask(adc_dev);
-       am335x_tsc_se_set(adc_dev->mfd_tscadc, step_en);
+       am335x_tsc_se_set_once(adc_dev->mfd_tscadc, step_en);
 
        /* Wait for ADC sequencer to complete sampling */
        while (tiadc_readl(adc_dev, REG_ADCFSM) & SEQ_STATUS) {