static int dvb_usb_fe_sleep(struct dvb_frontend *fe)
{
int ret;
struct dvb_usb_adapter *adap = fe->dvb->priv;
struct dvb_usb_device *d = adap_to_d(adap);
dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
fe->id);
if (!adap->suspend_resume_active)
mutex_lock(&adap->sync_mutex);
if (adap->fe_sleep[fe->id]) {
ret = adap->fe_sleep[fe->id](fe);
if (ret < 0)
goto err;
}
if (d->props->frontend_ctrl) {
ret = d->props->frontend_ctrl(fe, 0);
if (ret < 0)
goto err;
}
ret = dvb_usbv2_device_power_ctrl(d, 0);
if (ret < 0)
goto err;
err:
if (!adap->suspend_resume_active) {
adap->active_fe = -1;
mutex_unlock(&adap->sync_mutex);
}
dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
return ret;
}
int dvb_usbv2_reset_resume(struct usb_interface *intf)
{
struct dvb_usb_device *d = usb_get_intfdata(intf);
int ret;
dev_dbg(&d->udev->dev, "%s:\n", __func__);
dvb_usbv2_device_power_ctrl(d, 1);
if (d->props->init)
d->props->init(d);
ret = dvb_usbv2_resume_common(d);
dvb_usbv2_device_power_ctrl(d, 0);
return ret;
}
static int dvb_usbv2_init(struct dvb_usb_device *d)
{
int ret;
dev_dbg(&d->udev->dev, "%s:\n", __func__);
dvb_usbv2_device_power_ctrl(d, 1);
if (d->props->read_config) {
ret = d->props->read_config(d);
if (ret < 0)
goto err;
}
ret = dvb_usbv2_i2c_init(d);
if (ret < 0)
goto err;
ret = dvb_usbv2_adapter_init(d);
if (ret < 0)
goto err;
if (d->props->init) {
ret = d->props->init(d);
if (ret < 0)
goto err;
}
ret = dvb_usbv2_remote_init(d);
if (ret < 0)
goto err;
dvb_usbv2_device_power_ctrl(d, 0);
return 0;
err:
dvb_usbv2_device_power_ctrl(d, 0);
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int dvb_usb_fe_sleep(struct dvb_frontend *fe)
{
int ret;
struct dvb_usb_adapter *adap = fe->dvb->priv;
struct dvb_usb_device *d = adap_to_d(adap);
dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
fe->id);
if (!adap->suspend_resume_active) {
set_bit(ADAP_SLEEP, &adap->state_bits);
wait_on_bit(&adap->state_bits, ADAP_STREAMING,
TASK_UNINTERRUPTIBLE);
}
if (adap->fe_sleep[fe->id]) {
ret = adap->fe_sleep[fe->id](fe);
if (ret < 0)
goto err;
}
if (d->props->frontend_ctrl) {
ret = d->props->frontend_ctrl(fe, 0);
if (ret < 0)
goto err;
}
ret = dvb_usbv2_device_power_ctrl(d, 0);
if (ret < 0)
goto err;
err:
if (!adap->suspend_resume_active) {
adap->active_fe = -1;
clear_bit(ADAP_SLEEP, &adap->state_bits);
smp_mb__after_atomic();
wake_up_bit(&adap->state_bits, ADAP_SLEEP);
}
dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
return ret;
}
static int dvb_usb_fe_init(struct dvb_frontend *fe)
{
int ret;
struct dvb_usb_adapter *adap = fe->dvb->priv;
struct dvb_usb_device *d = adap_to_d(adap);
dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
fe->id);
if (!adap->suspend_resume_active) {
adap->active_fe = fe->id;
set_bit(ADAP_INIT, &adap->state_bits);
}
ret = dvb_usbv2_device_power_ctrl(d, 1);
if (ret < 0)
goto err;
if (d->props->frontend_ctrl) {
ret = d->props->frontend_ctrl(fe, 1);
if (ret < 0)
goto err;
}
if (adap->fe_init[fe->id]) {
ret = adap->fe_init[fe->id](fe);
if (ret < 0)
goto err;
}
err:
if (!adap->suspend_resume_active) {
clear_bit(ADAP_INIT, &adap->state_bits);
smp_mb__after_atomic();
wake_up_bit(&adap->state_bits, ADAP_INIT);
}
dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
return ret;
}
