From: Jacek Anaszewski Date: Tue, 2 Jul 2013 10:13:00 +0000 (+0100) Subject: iio: lps331ap: Modify in_temp_scale calculation way X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1003eb67baf00cca8aa51f5833090c61938aa82e;p=linux-beck.git 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 Signed-off-by: Kyungmin Park Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index 81e2d5b030a6..43b3a55e1130 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -31,6 +31,9 @@ #define ST_PRESS_LSB_PER_MBAR 4096UL #define ST_PRESS_KPASCAL_NANO_SCALE (100000000UL / \ 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 /* DEFAULT VALUE FOR SENSORS */ @@ -53,8 +56,8 @@ #define ST_PRESS_1_FS_ADDR 0x23 #define ST_PRESS_1_FS_MASK 0x30 #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_TEMP_GAIN ST_PRESS_CELSIUS_NANO_SCALE #define ST_PRESS_1_BDU_ADDR 0x20 #define ST_PRESS_1_BDU_MASK 0x04 #define ST_PRESS_1_DRDY_IRQ_ADDR 0x22