Input: edt-ft5x06 - use generic properties API

Instead of only parsing device tree properties let's switch to using
generic properties API so that the driver can also work on other platforms.

Tested-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 134c66c..ef8a7cd 100644 (file)
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -808,20 +808,24 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client,
        return 0;
 }
 
-#define EDT_GET_PROP(name, reg) {                              \
-       u32 val;                                                \
-       if (of_property_read_u32(np, #name, &val) == 0)         \
-               edt_ft5x06_register_write(tsdata, reg, val);    \
-}
-
-static void edt_ft5x06_ts_get_defaults(struct device_node *np,
+static void edt_ft5x06_ts_get_defaults(struct device *dev,
                                       struct edt_ft5x06_ts_data *tsdata)
 {
        struct edt_reg_addr *reg_addr = &tsdata->reg_addr;
+       u32 val;
+       int error;
+
+       error = device_property_read_u32(dev, "threshold", &val);
+       if (!error)
+               reg_addr->reg_threshold = val;
+
+       error = device_property_read_u32(dev, "gain", &val);
+       if (!error)
+               reg_addr->reg_gain = val;
 
-       EDT_GET_PROP(threshold, reg_addr->reg_threshold);
-       EDT_GET_PROP(gain, reg_addr->reg_gain);
-       EDT_GET_PROP(offset, reg_addr->reg_offset);
+       error = device_property_read_u32(dev, "offset", &val);
+       if (!error)
+               reg_addr->reg_offset = val;
 }
 
 static void
@@ -928,7 +932,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
        }
 
        edt_ft5x06_ts_set_regs(tsdata);
-       edt_ft5x06_ts_get_defaults(client->dev.of_node, tsdata);
+       edt_ft5x06_ts_get_defaults(&client->dev, tsdata);
        edt_ft5x06_ts_get_parameters(tsdata);
 
        dev_dbg(&client->dev,