iio: adc: rn5t618-adc: make use of regmap_set_bits()

Instead of using regmap_update_bits() and passing the mask twice, use
regmap_set_bits().

Suggested-by: Uwe Kleine-König <[e-mail]>
Signed-off-by: Trevor Gamblin <[e-mail]>
Acked-by: Uwe Kleine-König <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/iio/adc/rn5t618-adc.c

···
 
 	init_completion(&adc->conv_completion);
 	/* single conversion */
-	ret = regmap_update_bits(adc->rn5t618->regmap, RN5T618_ADCCNT3,
-				 RN5T618_ADCCNT3_GODONE,
-				 RN5T618_ADCCNT3_GODONE);
+	ret = regmap_set_bits(adc->rn5t618->regmap, RN5T618_ADCCNT3,
+			      RN5T618_ADCCNT3_GODONE);
 	if (ret < 0)
 		return ret;