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input: Add debugging for key matrix key codes

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These are read from the fdt - add a debug feature to display the mapping
on start-up.

See that we get debug output listing the keycodes

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2012-09-27 15:18:43 +00:00 committed by Tom Rini
parent 71dc6bca4e
commit 14813f19e3
1 changed files with 2 additions and 0 deletions
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drivers/input/key_matrix.c
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@ -145,6 +145,8 @@ static uchar *create_keymap(struct key_matrix *config, u32 *data, int len,
key_code = tmp & 0xffff;
entry = row * config->num_cols + col;
map[entry] = key_code;
debug(" map %d, %d: pos=%d, keycode=%d\n", row, col,
entry, key_code);
if (pos && map_keycode == key_code)
*pos = entry;
}