1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Driver for the Conexant CX23885/7/8 PCIe bridge 4 * 5 * AV device support routines - non-input, non-vl42_subdev routines 6 * 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 14 void 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 handled 24 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