Lines Matching refs:le
524 struct gpio_v2_line_event *le) in linereq_put_event() argument
533 kfifo_in(&lr->events, le, 1); in linereq_put_event()
553 struct gpio_v2_line_event le; in edge_irq_thread() local
557 memset(&le, 0, sizeof(le)); in edge_irq_thread()
560 le.timestamp_ns = line->timestamp_ns; in edge_irq_thread()
567 le.timestamp_ns = line_event_timestamp(line); in edge_irq_thread()
579 le.id = GPIO_V2_LINE_EVENT_RISING_EDGE; in edge_irq_thread()
582 le.id = GPIO_V2_LINE_EVENT_FALLING_EDGE; in edge_irq_thread()
585 le.id = GPIO_V2_LINE_EVENT_RISING_EDGE; in edge_irq_thread()
588 le.id = GPIO_V2_LINE_EVENT_FALLING_EDGE; in edge_irq_thread()
593 le.line_seqno = line->line_seqno; in edge_irq_thread()
594 le.seqno = (lr->num_lines == 1) ? le.line_seqno : line->req_seqno; in edge_irq_thread()
595 le.offset = gpio_chip_hwgpio(line->desc); in edge_irq_thread()
597 linereq_put_event(lr, &le); in edge_irq_thread()
651 struct gpio_v2_line_event le; in debounce_work_func() local
683 memset(&le, 0, sizeof(le)); in debounce_work_func()
686 le.timestamp_ns = line_event_timestamp(line); in debounce_work_func()
687 le.offset = gpio_chip_hwgpio(line->desc); in debounce_work_func()
689 le.line_seqno = line->line_seqno; in debounce_work_func()
690 le.seqno = (lr->num_lines == 1) ? in debounce_work_func()
691 le.line_seqno : atomic_inc_return(&lr->seqno); in debounce_work_func()
695 le.id = GPIO_V2_LINE_EVENT_RISING_EDGE; in debounce_work_func()
698 le.id = GPIO_V2_LINE_EVENT_FALLING_EDGE; in debounce_work_func()
700 linereq_put_event(lr, &le); in debounce_work_func()
1230 struct gpio_v2_line_event le; in linereq_read() local
1234 if (count < sizeof(le)) in linereq_read()
1258 ret = kfifo_out(&lr->events, &le, 1); in linereq_read()
1270 if (copy_to_user(buf + bytes_read, &le, sizeof(le))) in linereq_read()
1272 bytes_read += sizeof(le); in linereq_read()
1273 } while (count >= bytes_read + sizeof(le)); in linereq_read()
1496 struct lineevent_state *le = file->private_data; in lineevent_poll() local
1499 poll_wait(file, &le->wait, wait); in lineevent_poll()
1501 if (!kfifo_is_empty_spinlocked_noirqsave(&le->events, &le->wait.lock)) in lineevent_poll()
1517 struct lineevent_state *le = file->private_data; in lineevent_read() local
1540 spin_lock(&le->wait.lock); in lineevent_read()
1541 if (kfifo_is_empty(&le->events)) { in lineevent_read()
1543 spin_unlock(&le->wait.lock); in lineevent_read()
1548 spin_unlock(&le->wait.lock); in lineevent_read()
1552 ret = wait_event_interruptible_locked(le->wait, in lineevent_read()
1553 !kfifo_is_empty(&le->events)); in lineevent_read()
1555 spin_unlock(&le->wait.lock); in lineevent_read()
1560 ret = kfifo_out(&le->events, &ge, 1); in lineevent_read()
1561 spin_unlock(&le->wait.lock); in lineevent_read()
1580 static void lineevent_free(struct lineevent_state *le) in lineevent_free() argument
1582 if (le->irq) in lineevent_free()
1583 free_irq(le->irq, le); in lineevent_free()
1584 if (le->desc) in lineevent_free()
1585 gpiod_free(le->desc); in lineevent_free()
1586 kfree(le->label); in lineevent_free()
1587 put_device(&le->gdev->dev); in lineevent_free()
1588 kfree(le); in lineevent_free()
1600 struct lineevent_state *le = file->private_data; in lineevent_ioctl() local
1613 val = gpiod_get_value_cansleep(le->desc); in lineevent_ioctl()
1648 struct lineevent_state *le = p; in lineevent_irq_thread() local
1659 if (!le->timestamp) in lineevent_irq_thread()
1662 ge.timestamp = le->timestamp; in lineevent_irq_thread()
1664 if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE in lineevent_irq_thread()
1665 && le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) { in lineevent_irq_thread()
1666 int level = gpiod_get_value_cansleep(le->desc); in lineevent_irq_thread()
1674 } else if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE) { in lineevent_irq_thread()
1677 } else if (le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) { in lineevent_irq_thread()
1684 ret = kfifo_in_spinlocked_noirqsave(&le->events, &ge, in lineevent_irq_thread()
1685 1, &le->wait.lock); in lineevent_irq_thread()
1687 wake_up_poll(&le->wait, EPOLLIN); in lineevent_irq_thread()
1696 struct lineevent_state *le = p; in lineevent_irq_handler() local
1702 le->timestamp = ktime_get_ns(); in lineevent_irq_handler()
1710 struct lineevent_state *le; in lineevent_create() local
1750 le = kzalloc(sizeof(*le), GFP_KERNEL); in lineevent_create()
1751 if (!le) in lineevent_create()
1753 le->gdev = gdev; in lineevent_create()
1758 le->label = kstrndup(eventreq.consumer_label, in lineevent_create()
1761 if (!le->label) { in lineevent_create()
1767 ret = gpiod_request(desc, le->label); in lineevent_create()
1770 le->desc = desc; in lineevent_create()
1771 le->eflags = eflags; in lineevent_create()
1787 le->irq = irq; in lineevent_create()
1797 INIT_KFIFO(le->events); in lineevent_create()
1798 init_waitqueue_head(&le->wait); in lineevent_create()
1801 ret = request_threaded_irq(le->irq, in lineevent_create()
1805 le->label, in lineevent_create()
1806 le); in lineevent_create()
1818 le, in lineevent_create()
1843 lineevent_free(le); in lineevent_create()