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[media] cx23885: video instead of vbi register used 

The VID_A_GPCNT register is for video, not vbi. Read from the right
register and don't write to the video register.

Based upon Devin's initial patch made for an older kernel which I
cleaned up and rebased. Thanks to Kernel Labs for that work.

Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2015-11-30 14:47:00 -02:00 committed by Mauro Carvalho Chehab
parent 6c43a2178e
commit ecc2fe20e6
1 changed files with 1 additions and 2 deletions
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3
drivers/media/pci/cx23885/cx23885-vbi.c
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@ -83,7 +83,7 @@ int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status)
if (status & VID_BC_MSK_VBI_RISCI1) {
dprintk(1, "%s() VID_BC_MSK_VBI_RISCI1\n", __func__);
spin_lock(&dev->slock);
count = cx_read(VID_A_GPCNT);
count = cx_read(VBI_A_GPCNT);
cx23885_video_wakeup(dev, &dev->vbiq, count);
spin_unlock(&dev->slock);
handled++;
@ -103,7 +103,6 @@ static int cx23885_start_vbi_dma(struct cx23885_dev *dev,
VBI_LINE_LENGTH, buf->risc.dma);
/* reset counter */
cx_write(VID_A_GPCNT_CTL, 3);
cx_write(VID_A_VBI_CTRL, 3);
cx_write(VBI_A_GPCNT_CTL, 3);
q->count = 0;