From: Balsam CHIHI <bchihi@xxxxxxxxxxxx>
Add suspend and resume support to LVTS driver.
Signed-off-by: Balsam CHIHI <bchihi@xxxxxxxxxxxx>
Signed-off-by: Bernhard Rosenkränzer <bero@xxxxxxxxxxxx>
Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
---
drivers/thermal/mediatek/lvts_thermal.c | 34 +++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index d0a3f95b7884b..5ea8a9d569ea6 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -1169,6 +1169,38 @@ static int lvts_remove(struct platform_device *pdev)
return 0;
}
+static int lvts_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct lvts_domain *lvts_td;
+ int i;
+
+ lvts_td = platform_get_drvdata(pdev);
+
+ for (i = 0; i < lvts_td->num_lvts_ctrl; i++)
+ lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], false);
+
+ clk_disable_unprepare(lvts_td->clk);
+
+ return 0;
+}
+
+static int lvts_resume(struct platform_device *pdev)
+{
+ struct lvts_domain *lvts_td;
+ int i, ret;
+
+ lvts_td = platform_get_drvdata(pdev);
+
+ ret = clk_prepare_enable(lvts_td->clk);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < lvts_td->num_lvts_ctrl; i++)
+ lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], true);
+
+ return 0;
+}
+
static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] = {
{
.cal_offset = { 0x04, 0x07 },
@@ -1268,6 +1300,8 @@ MODULE_DEVICE_TABLE(of, lvts_of_match);
static struct platform_driver lvts_driver = {
.probe = lvts_probe,
.remove = lvts_remove,
+ .suspend = lvts_suspend,
+ .resume = lvts_resume,
.driver = {
.name = "mtk-lvts-thermal",
.of_match_table = lvts_of_match,
--
2.41.0.rc2
