diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-06-22 12:33:51 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-06-22 12:33:51 -0400 |
| commit | ef7994fa2aecd8d1fb0d75034caa050ff908d26a (patch) | |
| tree | aa7bbe9499256ced149dce70891de5eedf33c283 /drivers/staging/iio/adc/mxs-lradc.c | |
| parent | ad8686bc05adc2b8301d749f5958bd904f3a46ee (diff) | |
| parent | a497c3ba1d97fc69c1e78e7b96435ba8c2cb42ee (diff) | |
Merge 3.16-rc2 into staging-next
We want the staging fixes here as well.
Diffstat (limited to 'drivers/staging/iio/adc/mxs-lradc.c')
| -rw-r--r-- | drivers/staging/iio/adc/mxs-lradc.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index d8619993c6ff..468327f4a753 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -846,6 +846,14 @@ static int mxs_lradc_read_single(struct iio_dev *iio_dev, int chan, int *val) LRADC_CTRL1); mxs_lradc_reg_clear(lradc, 0xff, LRADC_CTRL0); + /* Enable / disable the divider per requirement */ + if (test_bit(chan, &lradc->is_divided)) + mxs_lradc_reg_set(lradc, 1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET, + LRADC_CTRL2); + else + mxs_lradc_reg_clear(lradc, + 1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET, LRADC_CTRL2); + /* Clean the slot's previous content, then set new one. */ mxs_lradc_reg_clear(lradc, LRADC_CTRL4_LRADCSELECT_MASK(0), LRADC_CTRL4); @@ -961,15 +969,11 @@ static int mxs_lradc_write_raw(struct iio_dev *iio_dev, if (val == scale_avail[MXS_LRADC_DIV_DISABLED].integer && val2 == scale_avail[MXS_LRADC_DIV_DISABLED].nano) { /* divider by two disabled */ - writel(1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET, - lradc->base + LRADC_CTRL2 + STMP_OFFSET_REG_CLR); clear_bit(chan->channel, &lradc->is_divided); ret = 0; } else if (val == scale_avail[MXS_LRADC_DIV_ENABLED].integer && val2 == scale_avail[MXS_LRADC_DIV_ENABLED].nano) { /* divider by two enabled */ - writel(1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET, - lradc->base + LRADC_CTRL2 + STMP_OFFSET_REG_SET); set_bit(chan->channel, &lradc->is_divided); ret = 0; } |