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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/media/pci/cx23885/cx23885-av.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/pci/cx23885/cx23885-av.c')
-rw-r--r--drivers/media/pci/cx23885/cx23885-av.c35
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);
+}