iio:adc:mcp3422 Fix incorrect scales table

commit 9e128ced3851d2802b6db870f6b2e93f449ce013 upstream.

This patch fixes uncorrect order of mcp3422_scales table, the values
was erroneously transposed.
It removes also an unused array and a wrong comment.

Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index 47dcb34ff44c47f6317a62c99e025df6eb6b27f6..3a615f3b5d80cbeac7bec24a2c092658b61fea8b 100644 (file)
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -57,20 +57,11 @@
                .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
        }
 
-/* LSB is in nV to eliminate floating point */
-static const u32 rates_to_lsb[] = {1000000, 250000, 62500, 15625};
-
-/*
- *  scales calculated as:
- *  rates_to_lsb[sample_rate] / (1 << pga);
- *  pga is 1 for 0, 2
- */
-
 static const int mcp3422_scales[4][4] = {
-       { 1000000, 250000, 62500, 15625 },
-       { 500000 , 125000, 31250, 7812 },
-       { 250000 , 62500 , 15625, 3906 },
-       { 125000 , 31250 , 7812 , 1953 } };
+       { 1000000, 500000, 250000, 125000 },
+       { 250000 , 125000, 62500 , 31250  },
+       { 62500  , 31250 , 15625 , 7812   },
+       { 15625  , 7812  , 3906  , 1953   } };
 
 /* Constant msleep times for data acquisitions */
 static const int mcp3422_read_times[4] = {