diff options
Diffstat (limited to 'sound/firewire/fireface/ff-transaction.c')
-rw-r--r-- | sound/firewire/fireface/ff-transaction.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/sound/firewire/fireface/ff-transaction.c b/sound/firewire/fireface/ff-transaction.c index 5f4ddfd55403..065e045d3fb5 100644 --- a/sound/firewire/fireface/ff-transaction.c +++ b/sound/firewire/fireface/ff-transaction.c @@ -11,69 +11,6 @@ #define SND_FF_REG_MIDI_RX_PORT_0 0x000080180000ull #define SND_FF_REG_MIDI_RX_PORT_1 0x000080190000ull -int snd_ff_transaction_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: 0x02, 0x06, 0x07? */ - switch ((data >> 10) & 0x07) { - case 0x00: - *src = SND_FF_CLOCK_SRC_ADAT1; - break; - case 0x01: - *src = SND_FF_CLOCK_SRC_ADAT2; - break; - 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; - default: - return -EIO; - } - } - - return 0; -} - static void finish_transmit_midi_msg(struct snd_ff *ff, unsigned int port, int rcode) { |