static int bluesleep_lpm_btwrite(const char *val, const struct kernel_param *kp)
{
int ret;
ret = param_set_int(val, kp);
if (ret) {
BT_ERR("HCIATH3K: lpm btwrite parameter set failed");
return ret;
}
BT_DBG("btwrite : %d", lpm_btwrite);
if (is_lpm_enabled) {
if (lpm_btwrite == 0) {
/*Setting TXEXPIRED bit to make it
compatible with current solution*/
set_bit(BT_TXEXPIRED, &flags);
hsuart_serial_clock_off(bsi->uport);
} else if (lpm_btwrite == 1) {
ath_wakeup_ar3k();
clear_bit(BT_TXEXPIRED, &flags);
} else {
BT_ERR("HCIATH3K invalid btwrite value");
return -EINVAL;
}
}
return 0;
}
static void ath_hci_uart_work(struct work_struct *work)
{
int status;
struct ath_struct *ath;
struct hci_uart *hu;
ath = container_of(work, struct ath_struct, ctxtsw);
hu = ath->hu;
/* verify and wake up controller */
if (test_bit(BT_SLEEPENABLE, &flags))
status = ath_wakeup_ar3k();
/* Ready to send Data */
clear_bit(HCI_UART_SENDING, &hu->tx_state);
hci_uart_tx_wakeup(hu);
}
static void ath_hci_uart_work(struct work_struct *work)
{
int status;
struct ath_struct *ath;
struct hci_uart *hu;
struct tty_struct *tty;
ath = container_of(work, struct ath_struct, ctxtsw);
hu = ath->hu;
tty = hu->tty;
/* verify and wake up controller */
if (ath->cur_sleep) {
status = ath_wakeup_ar3k(tty);
if (!(status & TIOCM_CTS))
return;
}
/* Ready to send Data */
clear_bit(HCI_UART_SENDING, &hu->tx_state);
hci_uart_tx_wakeup(hu);
}
