diff options
Diffstat (limited to 'sound/firewire/bebob/bebob_stream.c')
| -rw-r--r-- | sound/firewire/bebob/bebob_stream.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/sound/firewire/bebob/bebob_stream.c b/sound/firewire/bebob/bebob_stream.c index 85b4fd661787..4a21dcf95d95 100644 --- a/sound/firewire/bebob/bebob_stream.c +++ b/sound/firewire/bebob/bebob_stream.c @@ -119,13 +119,27 @@ end: int snd_bebob_stream_check_internal_clock(struct snd_bebob *bebob, bool *internal) { + struct snd_bebob_clock_spec *clk_spec = bebob->spec->clock; u8 addr[AVC_BRIDGECO_ADDR_BYTES], input[7]; + unsigned int id; int err = 0; *internal = false; + /* 1.The device has its own operation to switch source of clock */ + if (clk_spec) { + err = clk_spec->get(bebob, &id); + if (err < 0) + dev_err(&bebob->unit->device, + "fail to get clock source: %d\n", err); + else if (strncmp(clk_spec->labels[id], SND_BEBOB_CLOCK_INTERNAL, + strlen(SND_BEBOB_CLOCK_INTERNAL)) == 0) + *internal = true; + goto end; + } + /* - * 1.The device don't support to switch source of clock then assumed + * 2.The device don't support to switch source of clock then assumed * to use internal clock always */ if (bebob->sync_input_plug < 0) { @@ -134,7 +148,7 @@ snd_bebob_stream_check_internal_clock(struct snd_bebob *bebob, bool *internal) } /* - * 2.The device supports to switch source of clock by an usual way. + * 3.The device supports to switch source of clock by an usual way. * Let's check input for 'Music Sub Unit Sync Input' plug. */ avc_bridgeco_fill_msu_addr(addr, AVC_BRIDGECO_PLUG_DIR_IN, @@ -442,6 +456,7 @@ end: int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, int rate) { + struct snd_bebob_rate_spec *rate_spec = bebob->spec->rate; struct amdtp_stream *master, *slave; atomic_t *slave_substreams; enum cip_flags sync_mode; @@ -508,7 +523,7 @@ int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, int rate) break_both_connections(bebob); /* stop streams if rate is different */ - err = snd_bebob_stream_get_rate(bebob, &curr_rate); + err = rate_spec->get(bebob, &curr_rate); if (err < 0) { dev_err(&bebob->unit->device, "fail to get sampling rate: %d\n", err); @@ -532,7 +547,7 @@ int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, int rate) * If establishing connections at first, Yamaha GO46 * (and maybe Terratec X24) don't generate sound. */ - err = snd_bebob_stream_set_rate(bebob, rate); + err = rate_spec->set(bebob, rate); if (err < 0) { dev_err(&bebob->unit->device, "fail to set sampling rate: %d\n", @@ -822,6 +837,7 @@ end: int snd_bebob_stream_discover(struct snd_bebob *bebob) { + struct snd_bebob_clock_spec *clk_spec = bebob->spec->clock; u8 plugs[AVC_PLUG_INFO_BUF_BYTES], addr[AVC_BRIDGECO_ADDR_BYTES]; enum avc_bridgeco_plug_type type; unsigned int i; @@ -908,7 +924,8 @@ int snd_bebob_stream_discover(struct snd_bebob *bebob) } /* for check source of clock later */ - err = seek_msu_sync_input_plug(bebob); + if (!clk_spec) + err = seek_msu_sync_input_plug(bebob); end: return err; } |