diff options
author | Mike Isely <isely@pobox.com> | 2009-03-07 03:21:30 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 15:43:34 (GMT) |
commit | af78e16b5d5ba74566814ba0f50ee1d736d933a5 (patch) | |
tree | e679949245b8ea7f79125f7140ba2909496a9635 /drivers/media/video/pvrusb2 | |
parent | 6907205bcbe7b8bcdc0720bc75e1d2558162d017 (diff) | |
download | linux-af78e16b5d5ba74566814ba0f50ee1d736d933a5.tar.xz |
V4L/DVB (11171): pvrusb2: Tie in sub-device decoder start/stop
Implement code to send appropriate streaming start/stop commands to
attached sub-devices
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/pvrusb2')
-rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 65 |
1 files changed, 39 insertions, 26 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 65e65a4..74b365f 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -1655,19 +1655,29 @@ static const char *pvr2_get_state_name(unsigned int st) static int pvr2_decoder_enable(struct pvr2_hdw *hdw,int enablefl) { - if (!hdw->decoder_ctrl) { - if (!hdw->flag_decoder_missed) { - pvr2_trace(PVR2_TRACE_ERROR_LEGS, - "WARNING: No decoder present"); - hdw->flag_decoder_missed = !0; - trace_stbit("flag_decoder_missed", - hdw->flag_decoder_missed); - } - return -EIO; + if (hdw->decoder_ctrl) { + hdw->decoder_ctrl->enable(hdw->decoder_ctrl->ctxt, enablefl); + return 0; } - hdw->decoder_ctrl->enable(hdw->decoder_ctrl->ctxt,enablefl); - // ????? - return 0; + /* Even though we really only care about the video decoder chip at + this point, we'll broadcast stream on/off to all sub-devices + anyway, just in case somebody else wants to hear the + command... */ + v4l2_device_call_all(&hdw->v4l2_dev, 0, video, s_stream, enablefl); + if (hdw->decoder_client_id) { + /* We get here if the encoder has been noticed. Otherwise + we'll issue a warning to the user (which should + normally never happen). */ + return 0; + } + if (!hdw->flag_decoder_missed) { + pvr2_trace(PVR2_TRACE_ERROR_LEGS, + "WARNING: No decoder present"); + hdw->flag_decoder_missed = !0; + trace_stbit("flag_decoder_missed", + hdw->flag_decoder_missed); + } + return -EIO; } @@ -4009,23 +4019,26 @@ int pvr2_hdw_cmd_powerdown(struct pvr2_hdw *hdw) int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *hdw) { - if (!hdw->decoder_ctrl) { - pvr2_trace(PVR2_TRACE_INIT, - "Unable to reset decoder: nothing attached"); - return -ENOTTY; + pvr2_trace(PVR2_TRACE_INIT, + "Requesting decoder reset"); + if (hdw->decoder_ctrl) { + if (!hdw->decoder_ctrl->force_reset) { + pvr2_trace(PVR2_TRACE_INIT, + "Unable to reset decoder: not implemented"); + return -ENOTTY; + } + hdw->decoder_ctrl->force_reset(hdw->decoder_ctrl->ctxt); + return 0; + } else { } - - if (!hdw->decoder_ctrl->force_reset) { - pvr2_trace(PVR2_TRACE_INIT, - "Unable to reset decoder: not implemented"); - return -ENOTTY; + if (hdw->decoder_client_id) { + v4l2_device_call_all(&hdw->v4l2_dev, hdw->decoder_client_id, + core, reset, 0); + return 0; } - pvr2_trace(PVR2_TRACE_INIT, - "Requesting decoder reset"); - hdw->decoder_ctrl->force_reset(hdw->decoder_ctrl->ctxt); - // ????? - return 0; + "Unable to reset decoder: nothing attached"); + return -ENOTTY; } |