diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-dvb.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-dvb.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/media/video/cx18/cx18-dvb.c b/drivers/media/video/cx18/cx18-dvb.c index afc694e7bdb..bd5e6f3fd4d 100644 --- a/drivers/media/video/cx18/cx18-dvb.c +++ b/drivers/media/video/cx18/cx18-dvb.c @@ -2,6 +2,7 @@ * cx18 functions for DVB support * * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> + * Copyright (C) 2008 Andy Walls <awalls@radix.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -107,20 +108,23 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed) if (!demux->dmx.frontend) return -EINVAL; - if (stream) { - mutex_lock(&stream->dvb.feedlock); - if (stream->dvb.feeding++ == 0) { - CX18_DEBUG_INFO("Starting Transport DMA\n"); - ret = cx18_start_v4l2_encode_stream(stream); - if (ret < 0) { - CX18_DEBUG_INFO( - "Failed to start Transport DMA\n"); - stream->dvb.feeding--; - } - } else - ret = 0; - mutex_unlock(&stream->dvb.feedlock); - } + if (!stream) + return -EINVAL; + + mutex_lock(&stream->dvb.feedlock); + if (stream->dvb.feeding++ == 0) { + CX18_DEBUG_INFO("Starting Transport DMA\n"); + set_bit(CX18_F_S_STREAMING, &stream->s_flags); + ret = cx18_start_v4l2_encode_stream(stream); + if (ret < 0) { + CX18_DEBUG_INFO("Failed to start Transport DMA\n"); + stream->dvb.feeding--; + if (stream->dvb.feeding == 0) + clear_bit(CX18_F_S_STREAMING, &stream->s_flags); + } + } else + ret = 0; + mutex_unlock(&stream->dvb.feedlock); return ret; } @@ -213,6 +217,10 @@ int cx18_dvb_register(struct cx18_stream *stream) dvb_net_init(dvb_adapter, &dvb->dvbnet, dmx); CX18_INFO("DVB Frontend registered\n"); + CX18_INFO("Registered DVB adapter%d for %s (%d x %d kB)\n", + stream->dvb.dvb_adapter.num, stream->name, + stream->buffers, stream->buf_size/1024); + mutex_init(&dvb->feedlock); dvb->enabled = 1; return ret; |