int i2schar_devinit(void)
{
static bool initialized;
struct i2s_dev_s *i2s;
int ret;
/* Have we already initialized? */
if (!initialized) {
/* Call s5j_i2s_initialize() to get an instance of the I2S interface */
i2s = s5j_i2s_initialize(0);
if (!i2s) {
auddbg("ERROR: Failed to get the S5J I2S driver\n");
return -ENODEV;
}
/* Register the I2S character driver at "/dev/i2schar0" */
ret = i2schar_register(i2s, CONFIG_S5JT200_I2SCHAR_MINOR);
if (ret < 0) {
auddbg("ERROR: i2schar_register failed: %d\n", ret);
return ret;
}
I2S_ERR_CB_REG(i2s, err_cb, "Error_Test_String");
/* Now we are initialized */
initialized = true;
}
return OK;
}
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;
}
int i2schar_devinit(void)
{
static bool initialized = false;
struct i2s_dev_s *i2s;
int ret;
/* Have we already initialized? */
if (!initialized)
{
/* Call sam_ssc_initialize() to get an instance of the SSC/I2S interface */
i2s = sam_ssc_initialize(CONFIG_SAMA5D3XPLAINED_SSC_PORT);
if (!i2s)
{
_err("ERROR: Failed to get the SAMA5 SSC/I2S driver for SSC%d\n",
CONFIG_SAMA5D3XPLAINED_SSC_PORT);
return -ENODEV;
}
/* Register the I2S character driver at "/dev/i2schar0" */
ret = i2schar_register(i2s, CONFIG_SAMA5D3XPLAINED_I2SCHAR_MINOR);
if (ret < 0)
{
aerr("ERROR: i2schar_register failed: %d\n", ret);
return ret;
}
/* Now we are initialized */
initialized = true;
}
return OK;
}
