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input: Ban digit numbers if 'Num Lock' is not on

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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@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2015-11-12 05:33:04 -08:00 committed by Simon Glass
parent 377a069643
commit e5f330c482
1 changed files with 6 additions and 0 deletions
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6
drivers/input/input.c
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@ -479,6 +479,12 @@ 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 {