diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-01-28 23:33:29 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-31 13:04:11 +1000 |
| commit | 54e74b87e2a9941c6fa82189f270b47cceeba714 (patch) | |
| tree | 4a41222df8d4f525a9686947d10884642eb95211 | |
| parent | 1ca05b7fc2672ea870bd58f45dc8d36d2b980f94 (diff) | |
Input: rc-keymap - return KEY_RESERVED for unknown mappings
Do not respond with -EINVAL to EVIOCGKEYCODE for not-yet-mapped
scancodes, but rather return KEY_RESERVED.
This fixes breakage with Ubuntu's input-kbd utility that stopped
returning full keymaps for remote controls.
Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Mark Lord <kernel@teksavvy.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/media/rc/rc-main.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 72be8a02118..512a2f4ada0 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -458,21 +458,27 @@ static int ir_getkeycode(struct input_dev *idev, index = ir_lookup_by_scancode(rc_map, scancode); } - if (index >= rc_map->len) { - if (!(ke->flags & INPUT_KEYMAP_BY_INDEX)) - IR_dprintk(1, "unknown key for scancode 0x%04x\n", - scancode); + if (index < rc_map->len) { + entry = &rc_map->scan[index]; + + ke->index = index; + ke->keycode = entry->keycode; + ke->len = sizeof(entry->scancode); + memcpy(ke->scancode, &entry->scancode, sizeof(entry->scancode)); + + } else if (!(ke->flags & INPUT_KEYMAP_BY_INDEX)) { + /* + * We do not really know the valid range of scancodes + * so let's respond with KEY_RESERVED to anything we + * do not have mapping for [yet]. + */ + ke->index = index; + ke->keycode = KEY_RESERVED; + } else { retval = -EINVAL; goto out; } - entry = &rc_map->scan[index]; - - ke->index = index; - ke->keycode = entry->keycode; - ke->len = sizeof(entry->scancode); - memcpy(ke->scancode, &entry->scancode, sizeof(entry->scancode)); - retval = 0; out: |