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authorIngo Molnar <mingo@elte.hu>2009-09-07 08:19:51 +0200
committerIngo Molnar <mingo@elte.hu>2009-09-07 08:19:51 +0200
commita1922ed661ab2c1637d0b10cde933bd9cd33d965 (patch)
tree0f1777542b385ebefd30b3586d830fd8ed6fda5b /drivers/media/video/pvrusb2/pvrusb2-hdw.c
parent75e33751ca8bbb72dd6f1a74d2810ddc8cbe4bdf (diff)
parentd28daf923ac5e4a0d7cecebae56f3e339189366b (diff)
downloadlinux-2.6.38-lt-ux500-a1922ed661ab2c1637d0b10cde933bd9cd33d965.tar.gz
Merge branch 'tracing/core' into tracing/hw-breakpoints
Conflicts: arch/Kconfig kernel/trace/trace.h Merge reason: resolve the conflicts, plus adopt to the new ring-buffer APIs. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-hdw.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-hdw.c60
1 files changed, 34 insertions, 26 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 0c745b142fb..cbc388729d7 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -85,8 +85,8 @@ MODULE_PARM_DESC(video_std,"specify initial video standard");
module_param_array(tolerance, int, NULL, 0444);
MODULE_PARM_DESC(tolerance,"specify stream error tolerance");
-/* US Broadcast channel 7 (175.25 MHz) */
-static int default_tv_freq = 175250000L;
+/* US Broadcast channel 3 (61.25 MHz), to help with testing */
+static int default_tv_freq = 61250000L;
/* 104.3 MHz, a usable FM station for my area */
static int default_radio_freq = 104300000L;
@@ -1987,6 +1987,34 @@ static unsigned int pvr2_copy_i2c_addr_list(
}
+static void pvr2_hdw_cx25840_vbi_hack(struct pvr2_hdw *hdw)
+{
+ /*
+ Mike Isely <isely@pobox.com> 19-Nov-2006 - This bit of nuttiness
+ for cx25840 causes that module to correctly set up its video
+ scaling. This is really a problem in the cx25840 module itself,
+ but we work around it here. The problem has not been seen in
+ ivtv because there VBI is supported and set up. We don't do VBI
+ here (at least not yet) and thus we never attempted to even set
+ it up.
+ */
+ struct v4l2_format fmt;
+ if (hdw->decoder_client_id != PVR2_CLIENT_ID_CX25840) {
+ /* We're not using a cx25840 so don't enable the hack */
+ return;
+ }
+
+ pvr2_trace(PVR2_TRACE_INIT,
+ "Module ID %u:"
+ " Executing cx25840 VBI hack",
+ hdw->decoder_client_id);
+ memset(&fmt, 0, sizeof(fmt));
+ fmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
+ v4l2_device_call_all(&hdw->v4l2_dev, hdw->decoder_client_id,
+ video, s_fmt, &fmt);
+}
+
+
static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
const struct pvr2_device_client_desc *cd)
{
@@ -2078,30 +2106,6 @@ static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
/* client-specific setup... */
switch (mid) {
case PVR2_CLIENT_ID_CX25840:
- hdw->decoder_client_id = mid;
- {
- /*
- Mike Isely <isely@pobox.com> 19-Nov-2006 - This
- bit of nuttiness for cx25840 causes that module
- to correctly set up its video scaling. This is
- really a problem in the cx25840 module itself,
- but we work around it here. The problem has not
- been seen in ivtv because there VBI is supported
- and set up. We don't do VBI here (at least not
- yet) and thus we never attempted to even set it
- up.
- */
- struct v4l2_format fmt;
- pvr2_trace(PVR2_TRACE_INIT,
- "Module ID %u:"
- " Executing cx25840 VBI hack",
- mid);
- memset(&fmt, 0, sizeof(fmt));
- fmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
- v4l2_device_call_all(&hdw->v4l2_dev, mid,
- video, s_fmt, &fmt);
- }
- break;
case PVR2_CLIENT_ID_SAA7115:
hdw->decoder_client_id = mid;
break;
@@ -2202,6 +2206,8 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
cptr->info->set_value(cptr,~0,cptr->info->default_value);
}
+ pvr2_hdw_cx25840_vbi_hack(hdw);
+
/* Set up special default values for the television and radio
frequencies here. It's not really important what these defaults
are, but I set them to something usable in the Chicago area just
@@ -2954,6 +2960,7 @@ static void pvr2_subdev_update(struct pvr2_hdw *hdw)
vs = hdw->std_mask_cur;
v4l2_device_call_all(&hdw->v4l2_dev, 0,
core, s_std, vs);
+ pvr2_hdw_cx25840_vbi_hack(hdw);
}
hdw->tuner_signal_stale = !0;
hdw->cropcap_stale = !0;
@@ -4076,6 +4083,7 @@ int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *hdw)
if (hdw->decoder_client_id) {
v4l2_device_call_all(&hdw->v4l2_dev, hdw->decoder_client_id,
core, reset, 0);
+ pvr2_hdw_cx25840_vbi_hack(hdw);
return 0;
}
pvr2_trace(PVR2_TRACE_INIT,