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V4L/DVB: v4l2_subdev: Move interrupt_service_routine ptr to v4l2_subdev_core_ops

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The CX2584x and related cores are multifunction subdevices with a number
of internal blocks that act as interrupt sources.  Move the v4L2_subdev
interrupt_service_routine callback from v4l_subdev_ir_ops to
v4l2_subdev_core_ops, as the video and audio blocks of a CX2584x and
related cores can generate interrupts along with the IR block.  This
change also makes sense for other subdev's that generate interrupts and
do not have an IR block.

Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Andy Walls 2010-07-18 20:54:52 -03:00 committed by Mauro Carvalho Chehab
parent 81f287da73
commit 260e689ba2
3 changed files with 9 additions and 12 deletions
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2
drivers/media/video/cx23885/cx23885-core.c
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@ -1765,7 +1765,7 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
handled += cx23885_video_irq(dev, vida_status);
if (pci_status & PCI_MSK_IR) {
v4l2_subdev_call(dev->sd_ir, ir, interrupt_service_routine,
v4l2_subdev_call(dev->sd_ir, core, interrupt_service_routine,
pci_status, &ir_handled);
if (ir_handled)
handled++;

3
drivers/media/video/cx23885/cx23888-ir.c
View File

@ -1126,11 +1126,10 @@ static const struct v4l2_subdev_core_ops cx23888_ir_core_ops = {
.g_register = cx23888_ir_g_register,
.s_register = cx23888_ir_s_register,
#endif
.interrupt_service_routine = cx23888_ir_irq_handler,
};
static const struct v4l2_subdev_ir_ops cx23888_ir_ir_ops = {
.interrupt_service_routine = cx23888_ir_irq_handler,
.rx_read = cx23888_ir_rx_read,
.rx_g_parameters = cx23888_ir_rx_g_parameters,
.rx_s_parameters = cx23888_ir_rx_s_parameters,

16
include/media/v4l2-subdev.h
View File

@ -131,6 +131,11 @@ struct v4l2_subdev_io_pin_config {
s_power: puts subdevice in power saving mode (on == 0) or normal operation
mode (on == 1).
interrupt_service_routine: Called by the bridge chip's interrupt service
handler, when an interrupt status has be raised due to this subdev,
so that this subdev can handle the details. It may schedule work to be
performed later. It must not sleep. *Called from an IRQ context*.
*/
struct v4l2_subdev_core_ops {
int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip);
@ -156,6 +161,8 @@ struct v4l2_subdev_core_ops {
int (*s_register)(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg);
#endif
int (*s_power)(struct v4l2_subdev *sd, int on);
int (*interrupt_service_routine)(struct v4l2_subdev *sd,
u32 status, bool *handled);
};
/* s_mode: switch the tuner to a specific tuner mode. Replacement of s_radio.
@ -330,11 +337,6 @@ struct v4l2_subdev_sensor_ops {
};
/*
interrupt_service_routine: Called by the bridge chip's interrupt service
handler, when an IR interrupt status has be raised due to this subdev,
so that this subdev can handle the details. It may schedule work to be
performed later. It must not sleep. *Called from an IRQ context*.
[rt]x_g_parameters: Get the current operating parameters and state of the
the IR receiver or transmitter.
@ -392,10 +394,6 @@ struct v4l2_subdev_ir_parameters {
};
struct v4l2_subdev_ir_ops {
/* Common to receiver and transmitter */
int (*interrupt_service_routine)(struct v4l2_subdev *sd,
u32 status, bool *handled);
/* Receiver */
int (*rx_read)(struct v4l2_subdev *sd, u8 *buf, size_t count,
ssize_t *num);