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path: root/drivers/input/rmi4/rmi_f01.c
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Diffstat (limited to 'drivers/input/rmi4/rmi_f01.c')
-rw-r--r--drivers/input/rmi4/rmi_f01.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c
index e50ecc6699e7..eb362bc71a4c 100644
--- a/drivers/input/rmi4/rmi_f01.c
+++ b/drivers/input/rmi4/rmi_f01.c
@@ -247,6 +247,50 @@ char *rmi_f01_get_product_ID(struct rmi_function *fn)
return f01->properties.product_id;
}
+#ifdef CONFIG_OF
+static int rmi_f01_of_probe(struct device *dev,
+ struct rmi_device_platform_data *pdata)
+{
+ int retval;
+ u32 val;
+
+ retval = rmi_of_property_read_u32(dev,
+ (u32 *)&pdata->power_management.nosleep,
+ "syna,nosleep-mode", 1);
+ if (retval)
+ return retval;
+
+ retval = rmi_of_property_read_u32(dev, &val,
+ "syna,wakeup-threshold", 1);
+ if (retval)
+ return retval;
+
+ pdata->power_management.wakeup_threshold = val;
+
+ retval = rmi_of_property_read_u32(dev, &val,
+ "syna,doze-holdoff-ms", 1);
+ if (retval)
+ return retval;
+
+ pdata->power_management.doze_holdoff = val * 100;
+
+ retval = rmi_of_property_read_u32(dev, &val,
+ "syna,doze-interval-ms", 1);
+ if (retval)
+ return retval;
+
+ pdata->power_management.doze_interval = val / 10;
+
+ return 0;
+}
+#else
+static inline int rmi_f01_of_probe(struct device *dev,
+ struct rmi_device_platform_data *pdata)
+{
+ return -ENODEV;
+}
+#endif
+
static int rmi_f01_probe(struct rmi_function *fn)
{
struct rmi_device *rmi_dev = fn->rmi_dev;
@@ -258,6 +302,12 @@ static int rmi_f01_probe(struct rmi_function *fn)
u8 device_status;
u8 temp;
+ if (fn->dev.of_node) {
+ error = rmi_f01_of_probe(&fn->dev, pdata);
+ if (error)
+ return error;
+ }
+
f01 = devm_kzalloc(&fn->dev, sizeof(struct f01_data), GFP_KERNEL);
if (!f01)
return -ENOMEM;