设备树中的矩阵键盘的keymap中的值是 行 列 键值 。键值是怎么来的呢?第一次写键盘驱动。希望提点啊!
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设备树中的矩阵键盘的keymap中的值是 行 列 键值 。键值是怎么来的呢?第一次写键盘驱动。希望提点啊!