4
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  *   #ˆl–ßi~”ŠC]Šq@µpÜd*bÑ¿Çƒm‹_†I|¥+ÃÆ 	ø    #/* Standard include files. stdio.h is required. */
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <locale.h>

/* Used for select(2) */
#include <sys/types.h>
#include <sys/select.h>

#include <signal.h>

#include <errno.h>
#include <stdio.h>

/* Standard readline include files. */
#if defined (READLINE_LIBRARY)
#  include "readline.h"
#  include "history.h"
#else
#  include <readline/readline.h>
#  include <readline/history.h>
#endif

extern int errno;

static void cb_linehandler (char *);
static void signandler (int);

int running, sigwinch_received;
const char *prompt = "rltest$ ";

/* Handle SIGWINCH and window size changes when readline is not active and
   reading a character. */
static void
sighandler (int sig)
{
  sigwinch_received = 1;
}

/* Callback function called for each line when accept-line executed, EOF
   seen, or EOF character read.  This sets a flag and returns; it could
   also call exit(3). */
static void
cb_linehandler (char *line)
{
  /* Can use ^D (stty eof) or `exit' to exit. */
  if (line == NULL || strcmp (line, "exit") == 0)
    {
      if (line == 0)
        printf ("\n");
      printf ("exit\n");
      /* This function needs to be called to reset the terminal settings,
	 and calling it from the line handler keeps one extra prompt from
	 being displayed. */
      rl_callback_handler_remove ();

      running = 0;
    }
  else
    {
      if (*line)
	add_history (line);
      printf ("input line: %s\n", line);
      free (line);
    }
}

int
main (int c, char **v)
{
  fd_set fds;
  int r;


  setlocale (LC_ALL, "");

  /* Handle SIGWINCH */
  signal (SIGWINCH, sighandler);
  
  /* Install the line handler. */
  rl_callback_handler_install (prompt, cb_linehandler);

  /* Enter a simple event loop.  This waits until something is available
     to read on readline's input stream (defaults to standard input) and
     calls the builtin character read callback to read it.  It does not
     have to modify the user's terminal settings. */
  running = 1;
  while (running)
    {
      FD_ZERO (&fds);
      FD_SET (fileno (rl_instream), &fds);    

      r = select (FD_SETSIZE, &fds, NULL, NULL, NULL);
      if (r < 0 && errno != EINTR)
	{
	  perror ("rltest: select");
	  rl_callback_handler_remove ();
	  break;
	}
      if (sigwinch_received)
	{
	  rl_resize_terminal ();
	  sigwinch_received = 0;
	}
      if (r < 0)
	continue;

      if (FD_ISSET (fileno (rl_instream), &fds))
	rl_callback_read_char ();
    }

  printf ("rltest: Event loop has exited\n");
  return 0;
}
     %ˆÉÈƒd"s¾ÃÆ 6    %/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * hdmi-codec.h - HDMI Codec driver API
 *
 * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com
 *
 * Author: Jyri Sarha <jsarha@ti.com>
 */

#ifndef __HDMI_CODEC_H__
#define __HDMI_CODEC_H__

#include <linux/of_graph.h>
#include <linux/hdmi.h>
#include <drm/drm_edid.h>
#include <sound/asoundef.h>
#include <sound/soc.h>
#include <uapi/sound/asound.h>

/*
 * Protocol between ASoC cpu-dai and HDMI-encoder
 */
struct hdmi_codec_daifmt {
	enum {
		HDMI_I2S,
		HDMI_RIGHT_J,
		HDMI_LEFT_J,
		HDMI_DSP_A,
		HDMI_DSP_B,
		HDMI_AC97,
		HDMI_SPDIF,
	} fmt;
	unsigned int bit_clk_inv:1;
	unsigned int frame_clk_inv:1;
	unsigned int bit_clk_provider:1;
	unsigned int frame_clk_provider:1;
	/* bit_fmt could be standard PCM format or
	 * IEC958 encoded format. ALSA IEC958 plugin will pass
	 * IEC958_SUBFRAME format to the underneath driver.
	 */
	snd_pcm_format_t bit_fmt;
};

/*
 * HDMI audio parameters
 */
struct hdmi_codec_params {
	struct hdmi_audio_infoframe cea;
	struct snd_aes_iec958 iec;
	int sample_rate;
	int sample_width;
	int channels;
};

typedef void (*hdmi_codec_plugged_cb)(struct device *dev,
				      bool plugged);

struct hdmi_codec_pdata;
struct hdmi_codec_ops {
	/*
	 * Called when ASoC starts an audio stream setup.
	 * Optional
	 */
	int (*audio_startup)(struct device *dev, void *data);