[PATCH v1] Input: mpr121 - Switch to use device_property_count_u32()

[Andy Shevchenko]

Use use device_property_count_u32() directly, that makes code neater.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/input/keyboard/mpr121_touchkey.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/input/keyboard/mpr121_touchkey.c b/drivers/input/keyboard/mpr121_touchkey.c
index 884a74d8a7ed..1119db6dbca5 100644
--- a/drivers/input/keyboard/mpr121_touchkey.c
+++ b/drivers/input/keyboard/mpr121_touchkey.c
@@ -257,8 +257,7 @@ static int mpr_touchkey_probe(struct i2c_client *client,
 
 	mpr121->client = client;
 	mpr121->input_dev = input_dev;
-	mpr121->keycount = device_property_read_u32_array(dev, "linux,keycodes",
-							  NULL, 0);
+	mpr121->keycount = device_property_count_u32(dev, "linux,keycodes");
 	if (mpr121->keycount > MPR121_MAX_KEY_COUNT) {
 		dev_err(dev, "too many keys defined (%d)\n", mpr121->keycount);
 		return -EINVAL;
-- 
2.20.1