修改内核路径

hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/include/sound/hdmi-codec.h
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@@ -1,18 +1,10 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * hdmi-codec.h - HDMI Codec driver API
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  *
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- * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
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+ * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com
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  *
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  * Author: Jyri Sarha <jsarha@ti.com>
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * version 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- * General Public License for more details.
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  */
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 #ifndef __HDMI_CODEC_H__
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@@ -42,6 +34,11 @@
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 	unsigned int frame_clk_inv:1;
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 	unsigned int bit_clk_master:1;
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 	unsigned int frame_clk_master:1;
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+	/* bit_fmt could be standard PCM format or
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+	 * IEC958 encoded format. ALSA IEC958 plugin will pass
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+	 * IEC958_SUBFRAME format to the underneath driver.
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+	 */
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+	snd_pcm_format_t bit_fmt;
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 };
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 /*
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@@ -53,13 +50,6 @@
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 	int sample_rate;
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 	int sample_width;
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 	int channels;
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-	int mode;
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-};
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-
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-enum {
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-	LPCM = 0,
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-	NLPCM,
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-	HBR,
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 };
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 typedef void (*hdmi_codec_plugged_cb)(struct device *dev,
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@@ -75,11 +65,21 @@
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 	/*
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 	 * Configures HDMI-encoder for audio stream.
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-	 * Mandatory
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+	 * Having either prepare or hw_params is mandatory.
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 	 */
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 	int (*hw_params)(struct device *dev, void *data,
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 			 struct hdmi_codec_daifmt *fmt,
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 			 struct hdmi_codec_params *hparms);
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+
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+	/*
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+	 * Configures HDMI-encoder for audio stream. Can be called
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+	 * multiple times for each setup.
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+	 *
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+	 * Having either prepare or hw_params is mandatory.
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+	 */
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+	int (*prepare)(struct device *dev, void *data,
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+		       struct hdmi_codec_daifmt *fmt,
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+		       struct hdmi_codec_params *hparms);
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 	/*
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 	 * Shuts down the audio stream.
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@@ -91,7 +91,8 @@
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 	 * Mute/unmute HDMI audio stream.
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 	 * Optional
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 	 */
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-	int (*digital_mute)(struct device *dev, void *data, bool enable);
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+	int (*mute_stream)(struct device *dev, void *data,
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+			   bool enable, int direction);
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 	/*
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 	 * Provides EDID-Like-Data from connected HDMI device.
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@@ -114,6 +115,9 @@
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 	int (*hook_plugged_cb)(struct device *dev, void *data,
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 			       hdmi_codec_plugged_cb fn,
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 			       struct device *codec_dev);
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+
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+	/* bit field */
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+	unsigned int no_capture_mute:1;
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 };
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 /* HDMI codec initalization data */