input: Handle caps lock
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>
diff --git a/drivers/input/input.c b/drivers/input/input.c
index a64bd87..5de8d9d 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -452,16 +452,19 @@
/* 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);