rk3288:tsadc:slove pull down power_hold when power on

diff --git a/drivers/hwmon/rockchip_tsadc.c b/drivers/hwmon/rockchip_tsadc.c
index 18fc1d4d3de253b26764d871728eb96f3361de7e..eb7002042490e965356d3bc09085c11d013f5ecb 100755 (executable)
--- a/drivers/hwmon/rockchip_tsadc.c
+++ b/drivers/hwmon/rockchip_tsadc.c
@@ -468,9 +468,6 @@ int rockchip_hwmon_init(struct rockchip_temp *data)
        g_dev = rockchip_tsadc_data;
        data->plat_data = rockchip_tsadc_data;
 
-       ret = tsadc_readl(TSADC_AUTO_CON);
-       tsadc_writel(ret | (1 << 8) , TSADC_AUTO_CON);/*gpio0_b2 = 0 shutdown*/
-
        if (of_property_read_u32(np, "tsadc-ht-temp",
                &tsadc_ht_temp)) {
                dev_err(&data->pdev->dev, "Missing  tsadc_ht_temp in the DT.\n");
@@ -487,15 +484,22 @@ int rockchip_hwmon_init(struct rockchip_temp *data)
                return -EPERM;
        }
 
-       uap = devm_kzalloc(&data->pdev->dev, sizeof(struct tsadc_port),
-                          GFP_KERNEL);
-       if (uap == NULL)
-               dev_err(&data->pdev->dev,
-               "uap is not set %s,line=%d\n", __func__, __LINE__);
-       uap->pctl = devm_pinctrl_get(&data->pdev->dev);
-       uap->pins_default = pinctrl_lookup_state(uap->pctl, "default");
-       uap->pins_tsadc_int = pinctrl_lookup_state(uap->pctl, "tsadc_int");
-       pinctrl_select_state(uap->pctl, uap->pins_tsadc_int);
+       if (tsadc_ht_pull_gpio){
+               /*bit8=1 gpio0_b2 = 1 shutdown else gpio0_b2 =1 shutdown*/
+               /*
+               ret = tsadc_readl(TSADC_AUTO_CON);
+               tsadc_writel(ret | (1 << 8) , TSADC_AUTO_CON);
+               */
+               uap = devm_kzalloc(&data->pdev->dev, sizeof(struct tsadc_port),
+               GFP_KERNEL);
+               if (uap == NULL)
+                       dev_err(&data->pdev->dev,
+                       "uap is not set %s,line=%d\n", __func__, __LINE__);
+               uap->pctl = devm_pinctrl_get(&data->pdev->dev);
+               uap->pins_default = pinctrl_lookup_state(uap->pctl, "default");
+               uap->pins_tsadc_int = pinctrl_lookup_state(uap->pctl, "tsadc_int");
+               pinctrl_select_state(uap->pctl, uap->pins_tsadc_int);
+       }
 
        rockchip_tsadc_set_auto_temp(1);