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authorMartin Dauskardt <martin.dauskardt@gmx.de>2008-10-18 14:59:09 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-21 14:31:31 -0200
commit323a491a29d0bb1e91263ca347cb42c4de28adfc (patch)
tree5ca8eb4fc03973d1fce09840f78ffcebd5a0f077
parent09882f0044b7cf6e506c82a5182ad768ebb660f2 (diff)
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>
-rw-r--r--drivers/media/video/ivtv/ivtv-driver.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c
index aeaa13f6cb3..d36485023b6 100644
--- a/drivers/media/video/ivtv/ivtv-driver.c
+++ b/drivers/media/video/ivtv/ivtv-driver.c
@@ -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;