static int usf_release(struct inode *inode, struct file *file)
{
struct usf_type *usf = file->private_data;
pr_debug("%s: release entry\n", __func__);
usf_release_input(usf);
usf_disable(&usf->usf_tx);
usf_disable(&usf->usf_rx);
s_opened_devs[usf->dev_ind] = 0;
kfree(usf);
pr_debug("%s: release exit\n", __func__);
return 0;
}
static int usf_stop_tx(struct usf_type *usf)
{
struct usf_xx_type *usf_xx = &usf->usf_tx;
usf_release_input(usf);
usf_disable(usf_xx);
return 0;
} /* usf_stop_tx */
static int usf_release(struct inode *inode, struct file *file)
{
struct usf_type *usf = file->private_data;
pr_info("%s: release entry\n", __func__);
if (usf->input_if != NULL) {
input_unregister_device(usf->input_if);
usf->input_if = NULL;
pr_info("%s input_unregister_device\n", __func__);
}
usf_disable(&usf->usf_tx);
usf_disable(&usf->usf_rx);
s_opened_devs[usf->dev_ind] = 0;
kfree(usf);
pr_info("%s: release exit\n", __func__);
return 0;
}
static int usf_release(struct inode *inode, struct file *file)
{
struct usf_type *usf = file->private_data;
mutex_lock(&session_lock);
pr_debug("%s: release entry\n", __func__);
usf_release_input(usf);
usf_disable(&usf->usf_tx);
usf_disable(&usf->usf_rx);
s_opened_devs[usf->dev_ind] = 0;
kfree(usf);
#ifdef SKY_ULTRASOUNDPEN_FEATURE
touch_clear_finger(0);
#endif
pr_debug("%s: release exit\n", __func__);
mutex_unlock(&session_lock);
return 0;
}
static int usf_stop_tx(struct usf_type *usf)
{
struct usf_xx_type *usf_xx = &usf->usf_tx;
if (usf->input_if != NULL) {
input_unregister_device(usf->input_if);
usf->input_if = NULL;
pr_info("%s input_unregister_device",
__func__);
}
usf_disable(usf_xx);
return 0;
} /* usf_stop_tx */
static long usf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int rc = 0;
struct usf_type *usf = file->private_data;
struct usf_xx_type *usf_xx = NULL;
switch (cmd) {
case US_START_TX: {
usf_xx = &usf->usf_tx;
if (usf_xx->usf_state == USF_CONFIGURED_STATE)
rc = usf_start_tx(usf_xx);
else {
pr_err("%s: start_tx: wrong state[%d]\n",
__func__,
usf_xx->usf_state);
return -EBADFD;
}
break;
}
case US_START_RX: {
usf_xx = &usf->usf_rx;
if (usf_xx->usf_state == USF_CONFIGURED_STATE)
rc = usf_start_rx(usf_xx);
else {
pr_err("%s: start_rx: wrong state[%d]\n",
__func__,
usf_xx->usf_state);
return -EBADFD;
}
break;
}
case US_SET_TX_INFO: {
usf_xx = &usf->usf_tx;
if (usf_xx->usf_state == USF_OPENED_STATE)
rc = usf_set_tx_info(usf, arg);
else {
pr_err("%s: set_tx_info: wrong state[%d]\n",
__func__,
usf_xx->usf_state);
return -EBADFD;
}
break;
} /* US_SET_TX_INFO */
case US_SET_RX_INFO: {
usf_xx = &usf->usf_rx;
if (usf_xx->usf_state == USF_OPENED_STATE)
rc = usf_set_rx_info(usf, arg);
else {
pr_err("%s: set_rx_info: wrong state[%d]\n",
__func__,
usf_xx->usf_state);
return -EBADFD;
}
break;
} /* US_SET_RX_INFO */
case US_GET_TX_UPDATE: {
struct usf_xx_type *usf_xx = &usf->usf_tx;
if (usf_xx->usf_state == USF_WORK_STATE)
rc = usf_get_tx_update(usf, arg);
else {
pr_err("%s: get_tx_update: wrong state[%d]\n", __func__,
usf_xx->usf_state);
rc = -EBADFD;
}
break;
} /* US_GET_TX_UPDATE */
case US_SET_RX_UPDATE: {
struct usf_xx_type *usf_xx = &usf->usf_rx;
if (usf_xx->usf_state == USF_WORK_STATE)
rc = usf_set_rx_update(usf_xx, arg);
else {
pr_err("%s: set_rx_update: wrong state[%d]\n",
__func__,
usf_xx->usf_state);
rc = -EBADFD;
}
break;
} /* US_SET_RX_UPDATE */
case US_STOP_TX: {
usf_xx = &usf->usf_tx;
if (usf_xx->usf_state == USF_WORK_STATE)
rc = usf_stop_tx(usf);
else {
pr_err("%s: stop_tx: wrong state[%d]\n",
__func__,
usf_xx->usf_state);
return -EBADFD;
}
break;
} /* US_STOP_TX */
case US_STOP_RX: {
usf_xx = &usf->usf_rx;
if (usf_xx->usf_state == USF_WORK_STATE)
usf_disable(usf_xx);
else {
pr_err("%s: stop_rx: wrong state[%d]\n",
__func__,
usf_xx->usf_state);
return -EBADFD;
}
break;
} /* US_STOP_RX */
case US_SET_DETECTION: {
struct usf_xx_type *usf_xx = &usf->usf_tx;
if (usf_xx->usf_state == USF_WORK_STATE)
rc = usf_set_us_detection(usf, arg);
else {
pr_err("%s: set us detection: wrong state[%d]\n",
__func__,
usf_xx->usf_state);
rc = -EBADFD;
}
break;
} /* US_SET_DETECTION */
case US_GET_VERSION: {
rc = usf_get_version(arg);
break;
} /* US_GET_VERSION */
default:
pr_err("%s: unsupported IOCTL command [%d]\n",
__func__,
cmd);
rc = -ENOTTY;
break;
}
if (rc &&
((cmd == US_SET_TX_INFO) ||
(cmd == US_SET_RX_INFO)))
release_xx(usf_xx);
return rc;
} /* usf_ioctl */
