diff options
Diffstat (limited to 'drivers/media/pci/cx23885/cx23885-av.c')
| -rw-r--r-- | drivers/media/pci/cx23885/cx23885-av.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/media/pci/cx23885/cx23885-av.c b/drivers/media/pci/cx23885/cx23885-av.c new file mode 100644 index 000000000..f8ac29056 --- /dev/null +++ b/drivers/media/pci/cx23885/cx23885-av.c @@ -0,0 +1,35 @@ +// 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); +} |