add audio

hc

2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/sound/soc/rockchip/rockchip_pdm.h
..
..
@@ -1,17 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Rockchip PDM ALSA SoC Digital Audio Interface(DAI)  driver
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  *
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  * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd
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- *
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- * This software is licensed under the terms of the GNU General Public
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- * License version 2, as published by the Free Software Foundation, and
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- * may be copied, distributed, and modified under those terms.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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  */
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 #ifndef _ROCKCHIP_PDM_H