forked from Minki/linux
e5514f104d
Interrupts from the AV Core are best handled by a workqueue handler since many I2C transactions are required to service the AV Core interrupt. The AV_CORE PCI interrupt is disabled by the IRQ handler and reenabled when the work handler is finished. Signed-off-by: Andy Walls <awalls@md.metrocast.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
/*
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* Driver for the Conexant CX23885/7/8 PCIe bridge
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*
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* AV device support routines - non-input, non-vl42_subdev routines
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*
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* Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include "cx23885.h"
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void cx23885_av_work_handler(struct work_struct *work)
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{
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struct cx23885_dev *dev =
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container_of(work, struct cx23885_dev, cx25840_work);
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bool handled;
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v4l2_subdev_call(dev->sd_cx25840, core, interrupt_service_routine,
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PCI_MSK_AV_CORE, &handled);
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cx23885_irq_enable(dev, PCI_MSK_AV_CORE);
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}
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