diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-hdw.c')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 0c745b142fb7..e97f8e0e466c 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -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 @@ -4076,6 +4082,7 @@ 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, |