[8895] thermal: samsung: Save avg_con value

At this moment, G3D sensor doesn't have right value
for controlling AVG_CON register. So, save the value
of CPU and set it.

Change-Id: Ibac586e5ff5692af882738571155898c2d144966
Signed-off-by: Soomin Kim <sm8326.kim@samsung.com>

diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index 576a299595fddf582263c5ea50283faeddbb427d..2fbd0df9729f4f7122f1b633392cd2d081f62c5c 100644 (file)
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -136,6 +136,8 @@ static DEFINE_MUTEX (thermal_suspend_lock);
 static LIST_HEAD(dtm_dev_list);
 struct cpufreq_frequency_table gpu_freq_table[10];
 
+static u32 global_avg_con;
+
 static int find_sensor(struct exynos_tmu_data *data, int start)
 {
        int i;
@@ -611,6 +613,9 @@ static void exynos8895_tmu_control(struct platform_device *pdev, bool on)
                avg_con |= EXYNOS_TMU_DEM_ENABLE << EXYNOS_TMU_DEM_SHIFT;
        }
 
+       if (data->id == 0 || data->id == 1)
+               global_avg_con = avg_con;
+
        /* Set MUX_ADDR SFR according to sensor_type */
        switch (data->pdata->sensor_type) {
                case TEM1456X :
@@ -669,7 +674,7 @@ static void exynos8895_tmu_control(struct platform_device *pdev, bool on)
 
        /* Only TEM1002X sensor needs AVG_CON setting */
        if (data->pdata->sensor_type == TEM1002X)
-               writel(avg_con, data->base + EXYNOS_TMU_REG_AVG_CON);
+               writel(global_avg_con, data->base + EXYNOS_TMU_REG_AVG_CON);
 
 }
 static int exynos_get_temp(void *p, int *temp)