staging:iio:dac:ad5446: Remove duplicated write sample functions

AD5620_LOAD and AD5446_LOAD are both 0, so all these three functions are
identical and we can replace them with only one.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c
index de796c2..0da5c6c 100644 (file)
--- a/drivers/staging/iio/dac/ad5446.c
+++ b/drivers/staging/iio/dac/ad5446.c
@@ -26,19 +26,9 @@
 
 static void ad5446_store_sample(struct ad5446_state *st, unsigned val)
 {
-       st->data.d16 = cpu_to_be16(AD5446_LOAD | val);
-}
-
-static void ad5542_store_sample(struct ad5446_state *st, unsigned val)
-{
        st->data.d16 = cpu_to_be16(val);
 }
 
-static void ad5620_store_sample(struct ad5446_state *st, unsigned val)
-{
-       st->data.d16 = cpu_to_be16(AD5620_LOAD | val);
-}
-
 static void ad5660_store_sample(struct ad5446_state *st, unsigned val)
 {
        val |= AD5660_LOAD;
@@ -174,61 +164,61 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
        },
        [ID_AD5541A] = {
                .channel = AD5446_CHANNEL(16, 16, 0),
-               .store_sample = ad5542_store_sample,
+               .store_sample = ad5446_store_sample,
        },
        [ID_AD5542A] = {
                .channel = AD5446_CHANNEL(16, 16, 0),
-               .store_sample = ad5542_store_sample,
+               .store_sample = ad5446_store_sample,
        },
        [ID_AD5543] = {
                .channel = AD5446_CHANNEL(16, 16, 0),
-               .store_sample = ad5542_store_sample,
+               .store_sample = ad5446_store_sample,
        },
        [ID_AD5512A] = {
                .channel = AD5446_CHANNEL(12, 16, 4),
-               .store_sample = ad5542_store_sample,
+               .store_sample = ad5446_store_sample,
        },
        [ID_AD5553] = {
                .channel = AD5446_CHANNEL(14, 16, 0),
-               .store_sample = ad5542_store_sample,
+               .store_sample = ad5446_store_sample,
        },
        [ID_AD5601] = {
                .channel = AD5446_CHANNEL(8, 16, 6),
-               .store_sample = ad5542_store_sample,
+               .store_sample = ad5446_store_sample,
                .store_pwr_down = ad5620_store_pwr_down,
        },
        [ID_AD5611] = {
                .channel = AD5446_CHANNEL(10, 16, 4),
-               .store_sample = ad5542_store_sample,
+               .store_sample = ad5446_store_sample,
                .store_pwr_down = ad5620_store_pwr_down,
        },
        [ID_AD5621] = {
                .channel = AD5446_CHANNEL(12, 16, 2),
-               .store_sample = ad5542_store_sample,
+               .store_sample = ad5446_store_sample,
                .store_pwr_down = ad5620_store_pwr_down,
        },
        [ID_AD5620_2500] = {
                .channel = AD5446_CHANNEL(12, 16, 2),
                .int_vref_mv = 2500,
-               .store_sample = ad5620_store_sample,
+               .store_sample = ad5446_store_sample,
                .store_pwr_down = ad5620_store_pwr_down,
        },
        [ID_AD5620_1250] = {
                .channel = AD5446_CHANNEL(12, 16, 2),
                .int_vref_mv = 1250,
-               .store_sample = ad5620_store_sample,
+               .store_sample = ad5446_store_sample,
                .store_pwr_down = ad5620_store_pwr_down,
        },
        [ID_AD5640_2500] = {
                .channel = AD5446_CHANNEL(14, 16, 0),
                .int_vref_mv = 2500,
-               .store_sample = ad5620_store_sample,
+               .store_sample = ad5446_store_sample,
                .store_pwr_down = ad5620_store_pwr_down,
        },
        [ID_AD5640_1250] = {
                .channel = AD5446_CHANNEL(14, 16, 0),
                .int_vref_mv = 1250,
-               .store_sample = ad5620_store_sample,
+               .store_sample = ad5446_store_sample,
                .store_pwr_down = ad5620_store_pwr_down,
        },
        [ID_AD5660_2500] = {