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yaml
---
r: 306484
b: refs/heads/master
c: ef6a6dd
h: refs/heads/master
v: v3
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Tomasz Stanislawski authored and Mauro Carvalho Chehab committed May 20, 2012
1 parent 84a6b0d commit b5896c4
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Showing 3 changed files with 12 additions and 6 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2fd07a4a9e0d34fc53443601781ae58b2e8f1649
refs/heads/master: ef6a6ddc4d084774bac14df8b8867a42739cf142
1 change: 1 addition & 0 deletions trunk/drivers/media/video/s5p-tv/mixer.h
Original file line number Diff line number Diff line change
Expand Up @@ -226,6 +226,7 @@ struct mxr_resources {
/* event flags used */
enum mxr_devide_flags {
MXR_EVENT_VSYNC = 0,
MXR_EVENT_TOP = 1,
};

/** drivers instance */
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15 changes: 10 additions & 5 deletions trunk/drivers/media/video/s5p-tv/mixer_reg.c
Original file line number Diff line number Diff line change
Expand Up @@ -296,21 +296,25 @@ irqreturn_t mxr_irq_handler(int irq, void *dev_data)
/* wake up process waiting for VSYNC */
if (val & MXR_INT_STATUS_VSYNC) {
set_bit(MXR_EVENT_VSYNC, &mdev->event_flags);
/* toggle TOP field event if working in interlaced mode */
if (~mxr_read(mdev, MXR_CFG) & MXR_CFG_SCAN_PROGRASSIVE)
change_bit(MXR_EVENT_TOP, &mdev->event_flags);
wake_up(&mdev->event_queue);
}

/* clear interrupts */
if (~val & MXR_INT_EN_VSYNC) {
/* vsync interrupt use different bit for read and clear */
val &= ~MXR_INT_EN_VSYNC;
val &= ~MXR_INT_STATUS_VSYNC;
val |= MXR_INT_CLEAR_VSYNC;
}

/* clear interrupts */
mxr_write(mdev, MXR_INT_STATUS, val);

spin_unlock(&mdev->reg_slock);
/* leave on non-vsync event */
if (~val & MXR_INT_CLEAR_VSYNC)
return IRQ_HANDLED;
/* skip layer update on bottom field */
if (!test_bit(MXR_EVENT_TOP, &mdev->event_flags))
return IRQ_HANDLED;
for (i = 0; i < MXR_MAX_LAYERS; ++i)
mxr_irq_layer_handle(mdev->layer[i]);
return IRQ_HANDLED;
Expand All @@ -333,6 +337,7 @@ void mxr_reg_streamon(struct mxr_device *mdev)

/* start MIXER */
mxr_write_mask(mdev, MXR_STATUS, ~0, MXR_STATUS_REG_RUN);
set_bit(MXR_EVENT_TOP, &mdev->event_flags);

spin_unlock_irqrestore(&mdev->reg_slock, flags);
}
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