36 lines
984 B
C
36 lines
984 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Driver for the Conexant CX23885/7/8 PCIe bridge
|
|
*
|
|
* AV device support routines - non-input, non-vl42_subdev routines
|
|
*
|
|
* Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net>
|
|
*/
|
|
|
|
#include "cx23885.h"
|
|
#include "cx23885-av.h"
|
|
#include "cx23885-video.h"
|
|
|
|
void cx23885_av_work_handler(struct work_struct *work)
|
|
{
|
|
struct cx23885_dev *dev =
|
|
container_of(work, struct cx23885_dev, cx25840_work);
|
|
bool handled = false;
|
|
|
|
v4l2_subdev_call(dev->sd_cx25840, core, interrupt_service_routine,
|
|
PCI_MSK_AV_CORE, &handled);
|
|
|
|
/* Getting here with the interrupt not handled
|
|
then probbaly flatiron does have pending interrupts.
|
|
*/
|
|
if (!handled) {
|
|
/* clear left and right adc channel interrupt request flag */
|
|
cx23885_flatiron_write(dev, 0x1f,
|
|
cx23885_flatiron_read(dev, 0x1f) | 0x80);
|
|
cx23885_flatiron_write(dev, 0x23,
|
|
cx23885_flatiron_read(dev, 0x23) | 0x80);
|
|
}
|
|
|
|
cx23885_irq_enable(dev, PCI_MSK_AV_CORE);
|
|
}
|