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kernel add
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/*
* 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>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#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;
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);
}
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