diff options
Diffstat (limited to 'drivers/input/keyboard/lpc32xx-keys.c')
| -rw-r--r-- | drivers/input/keyboard/lpc32xx-keys.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/input/keyboard/lpc32xx-keys.c b/drivers/input/keyboard/lpc32xx-keys.c index 1b8add6cfb9..42181435fe6 100644 --- a/drivers/input/keyboard/lpc32xx-keys.c +++ b/drivers/input/keyboard/lpc32xx-keys.c @@ -144,12 +144,13 @@ static int lpc32xx_parse_dt(struct device *dev, { struct device_node *np = dev->of_node; u32 rows = 0, columns = 0; + int err; - of_property_read_u32(np, "keypad,num-rows", &rows); - of_property_read_u32(np, "keypad,num-columns", &columns); - if (!rows || rows != columns) { - dev_err(dev, - "rows and columns must be specified and be equal!\n"); + err = matrix_keypad_parse_of_params(dev, &rows, &columns); + if (err) + return err; + if (rows != columns) { + dev_err(dev, "rows and columns must be equal!\n"); return -EINVAL; } |