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V4L/DVB (9326): ivtv: avoid green flashing when loading ivtv 

When loading ivtv the TV-out of the PVR-350 will flash green since the
saa712x is activated before the MPEG decoder has been initialized.

Deactivate the saa712x until the MPEG decoder has been initialized.

Signed-off-by: Martin Dauskardt <martin.dauskardt@gmx.de>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Martin Dauskardt 2008-10-18 14:59:09 -03:00 committed by Mauro Carvalho Chehab
parent 09882f0044
commit 323a491a29
1 changed files with 12 additions and 0 deletions
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12
drivers/media/video/ivtv/ivtv-driver.c
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@ -1211,6 +1211,10 @@ static int __devinit ivtv_probe(struct pci_dev *dev,
if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std);
/* Turn off the output signal. The mpeg decoder is not yet
active so without this you would get a green image until the
mpeg decoder becomes active. */
ivtv_saa7127(itv, VIDIOC_STREAMOFF, NULL);
}
/* clear interrupt mask, effectively disabling interrupts */
@ -1330,6 +1334,10 @@ int ivtv_init_on_first_open(struct ivtv *itv)
ivtv_s_frequency(NULL, &fh, &vf);
if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
/* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
the mpeg decoder so now the saa7127 receives a proper
signal. */
ivtv_saa7127(itv, VIDIOC_STREAMON, NULL);
ivtv_init_mpeg_decoder(itv);
}
ivtv_s_std(NULL, &fh, &itv->tuner_std);
@ -1366,6 +1374,10 @@ static void ivtv_remove(struct pci_dev *pci_dev)
/* Stop all decoding */
IVTV_DEBUG_INFO("Stopping decoding\n");
/* Turn off the TV-out */
if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
ivtv_saa7127(itv, VIDIOC_STREAMOFF, NULL);
if (atomic_read(&itv->decoding) > 0) {
int type;