[U-Boot] [PATCH v3 03/12] input: Handle caps lock

[Bin Meng]

On Thu, Nov 12, 2015 at 1:05 AM, Simon Glass <sjg at chromium.org> wrote:
> 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 at chromium.org>
> ---
>
> Changes in v3: None
> Changes in v2: None
>
>  drivers/input/input.c | 13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/input/input.c b/drivers/input/input.c
> index 7513226..a8a15c9 100644
> --- a/drivers/input/input.c
> +++ b/drivers/input/input.c
> @@ -453,16 +453,19 @@ 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);
> --

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
Tested-by: Bin Meng <bmeng.cn at gmail.com>