iio: intel_dc_ti_adc: switch to using FIELD_GET_SIGNED()

Switch from sign_extend32(FIELD_GET()) to the dedicated
FIELD_GET_SIGNED() and don't provide the fields length explicitly.

Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Yury Norov <ynorov@nvidia.com>

diff --git a/drivers/iio/adc/intel_dc_ti_adc.c b/drivers/iio/adc/intel_dc_ti_adc.c
index 0fe34f1c338e8fbd33830a223960cc479166cd3c..b5afad713e2d059d04ab95ee0c1f2e800705010d 100644 (file)
--- a/drivers/iio/adc/intel_dc_ti_adc.c
+++ b/drivers/iio/adc/intel_dc_ti_adc.c
@@ -290,8 +290,8 @@ static int dc_ti_adc_probe(struct platform_device *pdev)
        if (ret)
                return ret;
 
-       info->vbat_zse = sign_extend32(FIELD_GET(DC_TI_VBAT_ZSE, val), 3);
-       info->vbat_ge = sign_extend32(FIELD_GET(DC_TI_VBAT_GE, val), 3);
+       info->vbat_zse = FIELD_GET_SIGNED(DC_TI_VBAT_ZSE, val);
+       info->vbat_ge = FIELD_GET_SIGNED(DC_TI_VBAT_GE, val);
 
        dev_dbg(dev, "vbat-zse %d vbat-ge %d\n", info->vbat_zse, info->vbat_ge);