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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Driver for the Conexant CX23885/7/8 PCIe bridge4 *5 * AV device support routines - non-input, non-vl42_subdev routines6 *7 * Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net>8 */9 10#include "cx23885.h"11#include "cx23885-av.h"12#include "cx23885-video.h"13 14void cx23885_av_work_handler(struct work_struct *work)15{16 struct cx23885_dev *dev =17 container_of(work, struct cx23885_dev, cx25840_work);18 bool handled = false;19 20 v4l2_subdev_call(dev->sd_cx25840, core, interrupt_service_routine,21 PCI_MSK_AV_CORE, &handled);22 23 /* Getting here with the interrupt not handled24 then probbaly flatiron does have pending interrupts.25 */26 if (!handled) {27 /* clear left and right adc channel interrupt request flag */28 cx23885_flatiron_write(dev, 0x1f,29 cx23885_flatiron_read(dev, 0x1f) | 0x80);30 cx23885_flatiron_write(dev, 0x23,31 cx23885_flatiron_read(dev, 0x23) | 0x80);32 }33 34 cx23885_irq_enable(dev, PCI_MSK_AV_CORE);35}36