diff options
Diffstat (limited to 'drivers/iio/adc/mcp3422.c')
| -rw-r--r-- | drivers/iio/adc/mcp3422.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c index 47dcb34ff44c..3a615f3b5d80 100644 --- 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] = { |