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yaml
---
r: 320616
b: refs/heads/master
c: e9530da
h: refs/heads/master
v: v3
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Manjunath Hadli authored and Mauro Carvalho Chehab committed Jul 30, 2012
1 parent a1cd1fc commit 4af7436
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Showing 2 changed files with 72 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 6964b1036388fee258c48a911ac4a3ff4e55b62d
refs/heads/master: e9530dac31c0c0296242e9209c89f5a580a2d64b
71 changes: 71 additions & 0 deletions trunk/drivers/media/video/davinci/vpif_display.c
Original file line number Diff line number Diff line change
Expand Up @@ -1882,10 +1882,81 @@ static int vpif_remove(struct platform_device *device)
return 0;
}

#ifdef CONFIG_PM
static int vpif_suspend(struct device *dev)
{
struct common_obj *common;
struct channel_obj *ch;
int i;

for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) {
/* Get the pointer to the channel object */
ch = vpif_obj.dev[i];
common = &ch->common[VPIF_VIDEO_INDEX];
mutex_lock(&common->lock);
if (atomic_read(&ch->usrs) && common->io_usrs) {
/* Disable channel */
if (ch->channel_id == VPIF_CHANNEL2_VIDEO) {
enable_channel2(0);
channel2_intr_enable(0);
}
if (ch->channel_id == VPIF_CHANNEL3_VIDEO ||
common->started == 2) {
enable_channel3(0);
channel3_intr_enable(0);
}
}
mutex_unlock(&common->lock);
}

return 0;
}

static int vpif_resume(struct device *dev)
{

struct common_obj *common;
struct channel_obj *ch;
int i;

for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) {
/* Get the pointer to the channel object */
ch = vpif_obj.dev[i];
common = &ch->common[VPIF_VIDEO_INDEX];
mutex_lock(&common->lock);
if (atomic_read(&ch->usrs) && common->io_usrs) {
/* Enable channel */
if (ch->channel_id == VPIF_CHANNEL2_VIDEO) {
enable_channel2(1);
channel2_intr_enable(1);
}
if (ch->channel_id == VPIF_CHANNEL3_VIDEO ||
common->started == 2) {
enable_channel3(1);
channel3_intr_enable(1);
}
}
mutex_unlock(&common->lock);
}

return 0;
}

static const struct dev_pm_ops vpif_pm = {
.suspend = vpif_suspend,
.resume = vpif_resume,
};

#define vpif_pm_ops (&vpif_pm)
#else
#define vpif_pm_ops NULL
#endif

static __refdata struct platform_driver vpif_driver = {
.driver = {
.name = "vpif_display",
.owner = THIS_MODULE,
.pm = vpif_pm_ops,
},
.probe = vpif_probe,
.remove = vpif_remove,
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