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usb: cdc_acm: trigger TX IRQ when CDC ACM class is ready #37924

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Merged
merged 1 commit into from
Aug 26, 2021
Merged

usb: cdc_acm: trigger TX IRQ when CDC ACM class is ready #37924

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10 changes: 8 additions & 2 deletions subsys/usb/class/cdc_acm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -358,9 +358,15 @@ static void cdc_acm_do_cb(struct cdc_acm_dev_data_t *dev_data,
if (!dev_data->configured) {
cdc_acm_read_cb(cfg->endpoint[ACM_OUT_EP_IDX].ep_addr, 0,
dev_data);
dev_data->configured = true;
}
if (!dev_data->tx_ready) {
dev_data->tx_ready = true;
/* if wait tx irq, invoke callback */
if (dev_data->cb != NULL && dev_data->tx_irq_ena) {
k_work_submit_to_queue(&USB_WORK_Q, &dev_data->cb_work);
}
}
dev_data->configured = true;
dev_data->tx_ready = true;
break;
case USB_DC_DISCONNECTED:
LOG_INF("Device disconnected");
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