int lc823450_wm8776initialize(int minor)
{
FAR struct audio_lowerhalf_s *wm8776;
FAR struct audio_lowerhalf_s *pcm;
FAR struct i2c_master_s *i2c;
FAR struct i2s_dev_s *i2s;
char devname[12];
int ret;
ainfo("Initializing WM8776 \n");
/* Initialize I2C */
i2c = lc823450_i2cbus_initialize(WM8776_I2C_PORTNO);
if (!i2c)
{
return -ENODEV;
}
i2s = lc823450_i2sdev_initialize();
#ifdef CONFIG_AUDIO_I2SCHAR
i2schar_register(i2s, 0);
#endif
wm8776 = wm8776_initialize(i2c, i2s, &g_wm8776info);
if (!wm8776)
{
auderr("ERROR: Failed to initialize the WM8904\n");
return -ENODEV;
}
pcm = pcm_decode_initialize(wm8776);
if (!pcm)
{
auderr("ERROR: Failed create the PCM decoder\n");
return -ENODEV;
}
snprintf(devname, 12, "pcm%d", minor);
ret = audio_register(devname, pcm);
if (ret < 0)
{
auderr("ERROR: Failed to register /dev/%s device: %d\n", devname, ret);
}
return 0;
}
static void lc823450_i2c_register(int bus)
{
FAR struct i2c_master_s *i2c;
int ret;
i2c = lc823450_i2cbus_initialize(bus);
if (i2c == NULL)
{
syslog(LOG_ERR, "ERROR: Failed to get I2C%d interface\n", bus);
}
else
{
ret = i2c_register(i2c, bus);
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: Failed to register I2C%d driver: %d\n",
bus, ret);
lc823450_i2cbus_uninitialize(i2c);
}
}
}