static int configure_record_dev(struct cras_iodev *iodev)
{
struct loopback_iodev *loopdev = (struct loopback_iodev *)iodev;
struct cras_iodev *edev;
cras_iodev_init_audio_area(iodev, iodev->format->num_channels);
clock_gettime(CLOCK_MONOTONIC_RAW, &loopdev->dev_start_time);
loopdev->read_frames = 0;
edev = cras_iodev_list_get_first_enabled_iodev(CRAS_STREAM_OUTPUT);
register_loopback_hook(loopdev->loopback_type, edev, sample_hook,
(void *)iodev);
cras_iodev_list_set_device_enabled_callback(device_enabled_hook,
device_disabled_hook,
(void *)iodev);
return 0;
}
static int open_dev(struct cras_iodev *iodev)
{
struct hfp_io *hfpio = (struct hfp_io *)iodev;
int sk, err, mtu;
/* Assert format is set before opening device. */
if (iodev->format == NULL)
return -EINVAL;
iodev->format->format = SND_PCM_FORMAT_S16_LE;
cras_iodev_init_audio_area(iodev, iodev->format->num_channels);
if (hfp_info_running(hfpio->info))
goto add_dev;
sk = cras_bt_device_sco_connect(hfpio->device);
if (sk < 0)
goto error;
mtu = cras_bt_device_sco_mtu(hfpio->device, sk);
/* Start hfp_info */
err = hfp_info_start(sk, mtu, hfpio->info);
if (err)
goto error;
add_dev:
hfp_info_add_iodev(hfpio->info, iodev);
hfp_set_call_status(hfpio->slc, 1);
iodev->buffer_size = hfp_buf_size(hfpio->info, iodev);
return 0;
error:
syslog(LOG_ERR, "Failed to open HFP iodev");
return -1;
}