rk3368: thermal: add log trigger for tsadc

[firefly-linux-kernel-4.4.55.git] / drivers / thermal / rockchip_thermal.c

diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 9413acde81b9f67cc02901b3cdbd827fc6ec6fdc..158d4821298033b06855b3857631ee007c00b6a0 100755 (executable)
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -117,6 +117,7 @@ struct rockchip_thermal_data {
        int cpu_temp_adjust;
        int gpu_temp_adjust;
        int cpu_temp;
+       bool logout;
 
        void __iomem *regs;
 
@@ -827,7 +828,9 @@ static int rockchip_thermal_user_mode_get_temp(struct rockchip_thermal_data *the
        temp_cpu = rk_tsadcv3_code_to_temp((val_cpu * voltage + 500000) / 1000000) / 1000;
        temp_cpu = temp_cpu + thermal->cpu_temp_adjust;
        thermal->cpu_temp = temp_cpu;
-       thermal_dbg(&thermal->pdev->dev, "cpu[%d, %d], voltage: %d\n", val_cpu, temp_cpu, voltage);
+       if(thermal->logout)
+               printk("cpu[%d, %d], voltage: %d\n"
+                       , val_cpu, temp_cpu, voltage);
 #endif
 
        return temp_cpu;
@@ -891,6 +894,29 @@ static ssize_t rockchip_thermal_temp_adjust_test_show(struct kobject *kobj
        return (str - buf);
 }
 
+static ssize_t rockchip_thermal_temp_test_store(struct kobject *kobj
+       , struct kobj_attribute *attr, const char *buf, size_t n)
+{
+       struct rockchip_thermal_data *thermal = rockchip_thermal_get_data();
+       char cmd;
+       const char *buftmp = buf;
+
+       sscanf(buftmp, "%c", &cmd);
+       switch (cmd) {
+       case 't':
+               thermal->logout = true;
+               break;
+       case 'f':
+               thermal->logout = false;
+               break;
+       default:
+               printk("Unknown command\n");
+               break;
+       }
+
+       return n;
+}
+
 static ssize_t rockchip_thermal_temp_test_show(struct kobject *kobj
        , struct kobj_attribute *attr, char *buf)
 {
@@ -915,7 +941,7 @@ static struct rockchip_thermal_attribute rockchip_thermal_attrs[] = {
        __ATTR(temp_adjust, S_IRUGO | S_IWUSR, rockchip_thermal_temp_adjust_test_show
                , rockchip_thermal_temp_adjust_test_store),
        __ATTR(temp, S_IRUGO | S_IWUSR, rockchip_thermal_temp_test_show
-               , NULL),
+               , rockchip_thermal_temp_test_store),
 };
 
 static int rockchip_thermal_probe(struct platform_device *pdev)