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input: Handle caps lock

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When caps lock is enabled we should convert lower case to upper case. Add
this to the input key processing so that caps lock works correctly.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2015-11-11 10:05:39 -07:00
parent a683d0d347
commit ba42034267
1 changed files with 8 additions and 5 deletions
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13
drivers/input/input.c
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@ -452,16 +452,19 @@ static int input_keycodes_to_ascii(struct input_config *config,
/* Start conversion by looking for the first new keycode (by same). */
for (i = same; i < num_keycodes; i++) {
int key = keycode[i];
int ch = (key < table->num_entries) ? table->xlate[key] : 0xff;
int ch;
/*
* For a normal key (with an ASCII value), add it; otherwise
* translate special key to escape sequence if possible.
*/
if (ch != 0xff) {
if (ch_count < max_chars)
output_ch[ch_count] = (uchar)ch;
ch_count++;
if (key < table->num_entries) {
ch = table->xlate[key];
if ((config->flags & FLAG_CAPS_LOCK) &&
ch >= 'a' && ch <= 'z')
ch -= 'a' - 'A';
if (ch_count < max_chars && ch != 0xff)
output_ch[ch_count++] = (uchar)ch;
} else {
ch_count += input_keycode_to_ansi364(config, key,
output_ch, max_chars);