| 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
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| 2 | /* |
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| 3 | * Driver for the Conexant CX23885/7/8 PCIe bridge |
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| 4 | * |
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| 5 | * AV device support routines - non-input, non-vl42_subdev routines |
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| 6 | * |
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| 7 | * Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net> |
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| 8 | */ |
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| 9 | |
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| 10 | #include "cx23885.h" |
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| 11 | #include "cx23885-av.h" |
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| 12 | #include "cx23885-video.h" |
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| 13 | |
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| 14 | void cx23885_av_work_handler(struct work_struct *work) |
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| 15 | { |
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| 16 | struct cx23885_dev *dev = |
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| 17 | container_of(work, struct cx23885_dev, cx25840_work); |
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| 18 | bool handled = false; |
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| 19 | |
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| 20 | v4l2_subdev_call(dev->sd_cx25840, core, interrupt_service_routine, |
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| 21 | PCI_MSK_AV_CORE, &handled); |
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| 22 | |
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| 23 | /* Getting here with the interrupt not handled |
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| 24 | then probbaly flatiron does have pending interrupts. |
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| 25 | */ |
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| 26 | if (!handled) { |
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| 27 | /* clear left and right adc channel interrupt request flag */ |
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| 28 | cx23885_flatiron_write(dev, reg: 0x1f, |
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| 29 | data: cx23885_flatiron_read(dev, reg: 0x1f) | 0x80); |
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| 30 | cx23885_flatiron_write(dev, reg: 0x23, |
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| 31 | data: cx23885_flatiron_read(dev, reg: 0x23) | 0x80); |
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| 32 | } |
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| 33 | |
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| 34 | cx23885_irq_enable(dev, PCI_MSK_AV_CORE); |
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| 35 | } |
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| 36 | |
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