diff options
Diffstat (limited to 'sound/firewire/fireface/ff-protocol-ff400.c')
| -rw-r--r-- | sound/firewire/fireface/ff-protocol-ff400.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/sound/firewire/fireface/ff-protocol-ff400.c b/sound/firewire/fireface/ff-protocol-ff400.c index 31c381dcb452..d2fbb0382223 100644 --- a/sound/firewire/fireface/ff-protocol-ff400.c +++ b/sound/firewire/fireface/ff-protocol-ff400.c @@ -19,65 +19,6 @@ #define FF400_MIDI_RX_PORT_0 0x000080180000ull #define FF400_MIDI_RX_PORT_1 0x000080190000ull -static int ff400_get_clock(struct snd_ff *ff, unsigned int *rate, - enum snd_ff_clock_src *src) -{ - __le32 reg; - u32 data; - int err; - - err = snd_fw_transaction(ff->unit, TCODE_READ_QUADLET_REQUEST, - SND_FF_REG_CLOCK_CONFIG, ®, sizeof(reg), 0); - if (err < 0) - return err; - data = le32_to_cpu(reg); - - /* Calculate sampling rate. */ - switch ((data >> 1) & 0x03) { - case 0x01: - *rate = 32000; - break; - case 0x00: - *rate = 44100; - break; - case 0x03: - *rate = 48000; - break; - case 0x02: - default: - return -EIO; - } - - if (data & 0x08) - *rate *= 2; - else if (data & 0x10) - *rate *= 4; - - /* Calculate source of clock. */ - if (data & 0x01) { - *src = SND_FF_CLOCK_SRC_INTERNAL; - } else { - /* TODO: 0x00, 0x01, 0x02, 0x06, 0x07? */ - switch ((data >> 10) & 0x07) { - case 0x03: - *src = SND_FF_CLOCK_SRC_SPDIF; - break; - case 0x04: - *src = SND_FF_CLOCK_SRC_WORD; - break; - case 0x05: - *src = SND_FF_CLOCK_SRC_LTC; - break; - case 0x00: - default: - *src = SND_FF_CLOCK_SRC_ADAT; - break; - } - } - - return 0; -} - static int ff400_begin_session(struct snd_ff *ff, unsigned int rate) { __le32 reg; @@ -169,7 +110,6 @@ static int ff400_switch_fetching_mode(struct snd_ff *ff, bool enable) } const struct snd_ff_protocol snd_ff_protocol_ff400 = { - .get_clock = ff400_get_clock, .begin_session = ff400_begin_session, .finish_session = ff400_finish_session, .switch_fetching_mode = ff400_switch_fetching_mode, |