diff options
Diffstat (limited to 'drivers/thermal/samsung/exynos_tmu.c')
| -rw-r--r-- | drivers/thermal/samsung/exynos_tmu.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 958a7c430b9f..7ec806170c12 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -165,6 +165,9 @@ #define EXYNOS7_EMUL_DATA_SHIFT 7 #define EXYNOS7_EMUL_DATA_MASK 0x1ff +#define EXYNOS_FIRST_POINT_TRIM 25 +#define EXYNOS_SECOND_POINT_TRIM 85 + #define MCELSIUS 1000 /** * struct exynos_tmu_data : A structure to hold the private data of the TMU @@ -251,11 +254,11 @@ static int temp_to_code(struct exynos_tmu_data *data, u8 temp) struct exynos_tmu_platform_data *pdata = data->pdata; if (pdata->cal_type == TYPE_ONE_POINT_TRIMMING) - return temp + data->temp_error1 - pdata->first_point_trim; + return temp + data->temp_error1 - EXYNOS_FIRST_POINT_TRIM; - return (temp - pdata->first_point_trim) * + return (temp - EXYNOS_FIRST_POINT_TRIM) * (data->temp_error2 - data->temp_error1) / - (pdata->second_point_trim - pdata->first_point_trim) + + (EXYNOS_SECOND_POINT_TRIM - EXYNOS_FIRST_POINT_TRIM) + data->temp_error1; } @@ -268,12 +271,12 @@ static int code_to_temp(struct exynos_tmu_data *data, u16 temp_code) struct exynos_tmu_platform_data *pdata = data->pdata; if (pdata->cal_type == TYPE_ONE_POINT_TRIMMING) - return temp_code - data->temp_error1 + pdata->first_point_trim; + return temp_code - data->temp_error1 + EXYNOS_FIRST_POINT_TRIM; return (temp_code - data->temp_error1) * - (pdata->second_point_trim - pdata->first_point_trim) / + (EXYNOS_SECOND_POINT_TRIM - EXYNOS_FIRST_POINT_TRIM) / (data->temp_error2 - data->temp_error1) + - pdata->first_point_trim; + EXYNOS_FIRST_POINT_TRIM; } static void sanitize_temp_error(struct exynos_tmu_data *data, u32 trim_info) @@ -1142,11 +1145,6 @@ static int exynos_of_sensor_conf(struct device_node *np, of_property_read_u32(np, "samsung,tmu_max_efuse_value", &pdata->max_efuse_value); - of_property_read_u32(np, "samsung,tmu_first_point_trim", &value); - pdata->first_point_trim = (u8)value; - of_property_read_u32(np, "samsung,tmu_second_point_trim", &value); - pdata->second_point_trim = (u8)value; - of_property_read_u32(np, "samsung,tmu_cal_type", &pdata->cal_type); of_node_put(np); |