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Commit 9e128ced authored by Angelo Compagnucci's avatar Angelo Compagnucci Committed by Jonathan Cameron
Browse files

iio:adc:mcp3422 Fix incorrect scales table 



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: default avatarAngelo Compagnucci <angelo.compagnucci@gmail.com>
Cc: Stable@vger.kernel.org
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 03305e53

drivers/iio/adc/mcp3422.c

+4 −13
Original line number Original line Diff line number Diff line
@@ -58,20 +58,11 @@ 
		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SAMP_FREQ), \

		.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] = {

static const int mcp3422_scales[4][4] = {

	{ 1000000, 250000, 62500, 15625 },

	{ 1000000, 500000, 250000, 125000 },

	{ 500000 , 125000, 31250, 7812 },

	{ 250000 , 125000, 62500 , 31250  },

	{ 250000 , 62500 , 15625, 3906 },

	{ 62500  , 31250 , 15625 , 7812   },

	{ 125000 , 31250 , 7812 , 1953 } };

	{ 15625  , 7812  , 3906  , 1953   } };





/* Constant msleep times for data acquisitions */

/* Constant msleep times for data acquisitions */

static const int mcp3422_read_times[4] = {

static const int mcp3422_read_times[4] = {