iio: lps331ap: Modify in_temp_scale calculation way

This patch modifies the way how the in_temp_scale output value is
calculated. With this implementation it is more clear how the value
is obtained.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Jacek Anaszewski 2013-07-02 11:13:00 +01:00 committed by Jonathan Cameron
parent bace48f44a
commit 1003eb67ba

View File

@ -31,6 +31,9 @@
#define ST_PRESS_LSB_PER_MBAR 4096UL #define ST_PRESS_LSB_PER_MBAR 4096UL
#define ST_PRESS_KPASCAL_NANO_SCALE (100000000UL / \ #define ST_PRESS_KPASCAL_NANO_SCALE (100000000UL / \
ST_PRESS_LSB_PER_MBAR) ST_PRESS_LSB_PER_MBAR)
#define ST_PRESS_LSB_PER_CELSIUS 480UL
#define ST_PRESS_CELSIUS_NANO_SCALE (1000000000UL / \
ST_PRESS_LSB_PER_CELSIUS)
#define ST_PRESS_NUMBER_DATA_CHANNELS 1 #define ST_PRESS_NUMBER_DATA_CHANNELS 1
/* DEFAULT VALUE FOR SENSORS */ /* DEFAULT VALUE FOR SENSORS */
@ -53,8 +56,8 @@
#define ST_PRESS_1_FS_ADDR 0x23 #define ST_PRESS_1_FS_ADDR 0x23
#define ST_PRESS_1_FS_MASK 0x30 #define ST_PRESS_1_FS_MASK 0x30
#define ST_PRESS_1_FS_AVL_1260_VAL 0x00 #define ST_PRESS_1_FS_AVL_1260_VAL 0x00
#define ST_PRESS_1_FS_AVL_TEMP_GAIN 2083000
#define ST_PRESS_1_FS_AVL_1260_GAIN ST_PRESS_KPASCAL_NANO_SCALE #define ST_PRESS_1_FS_AVL_1260_GAIN ST_PRESS_KPASCAL_NANO_SCALE
#define ST_PRESS_1_FS_AVL_TEMP_GAIN ST_PRESS_CELSIUS_NANO_SCALE
#define ST_PRESS_1_BDU_ADDR 0x20 #define ST_PRESS_1_BDU_ADDR 0x20
#define ST_PRESS_1_BDU_MASK 0x04 #define ST_PRESS_1_BDU_MASK 0x04
#define ST_PRESS_1_DRDY_IRQ_ADDR 0x22 #define ST_PRESS_1_DRDY_IRQ_ADDR 0x22