[U-Boot] [PATCH 4/6] input: Ban digit numbers if 'Num Lock' is not on

[Bin Meng]

When 'Num Lock' is not on, we should not send these digit numbers
(0-9 and dot) to the output buffer.

Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
---

 drivers/input/input.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 5c3fad9..23afd06 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -474,6 +474,12 @@ static int input_keycodes_to_ascii(struct input_config *config,
 			if ((config->flags & FLAG_CAPS_LOCK) &&
 			    ch >= 'a' && ch <= 'z')
 				ch -= 'a' - 'A';
+			/* ban digit numbers if 'Num Lock' is not on */
+			if (!(config->flags & FLAG_NUM_LOCK)) {
+				if (key >= KEY_KP7 && key <= KEY_KPDOT &&
+				    key != KEY_KPMINUS && key != KEY_KPPLUS)
+					ch = 0xff;
+			}
 			if (ch_count < max_chars && ch != 0xff)
 				output_ch[ch_count++] = (uchar)ch;
 		} else {
-- 
1.8.2.1