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| author | Adrian Knoth | 2013-07-05 11:28:09 +0200 |
|---|---|---|
| committer | Takashi Iwai | 2013-07-05 14:52:04 +0200 |
| commit | d3c36ed8e578185b752dac4277819965fa5f6879 (patch) | |
| tree | 3f10c575acdb85c5ad6e43d4c4247fdbb3c34bad /sound/pci/rme9652 | |
| parent | ALSA: hdspm - AES32: Add TCO and Sync-In text entries (diff) | |
| download | kernel-qcow2-linux-d3c36ed8e578185b752dac4277819965fa5f6879.tar.gz kernel-qcow2-linux-d3c36ed8e578185b752dac4277819965fa5f6879.tar.xz kernel-qcow2-linux-d3c36ed8e578185b752dac4277819965fa5f6879.zip | |
ALSA: hdspm - Introduce hdspm_get_aes_sample_rate()
Helper function to return the AES sample rate class. This class needs to
be translated via HDSPM_bit2freq() to get the more common
representation.
Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/rme9652')
| -rw-r--r-- | sound/pci/rme9652/hdspm.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index 8e6ce1473333..b7702b225c3e 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -2224,6 +2224,23 @@ static int hdspm_get_sync_in_sample_rate(struct hdspm *hdspm) return 0; } +/** + * Returns the AES sample rate class for the given card. + **/ +static int hdspm_get_aes_sample_rate(struct hdspm *hdspm, int index) +{ + int timecode; + + switch (hdspm->io_type) { + case AES32: + timecode = hdspm_read(hdspm, HDSPM_timecodeRegister); + return (timecode >> (4*index)) & 0xF; + break; + default: + break; + } + return 0; +} /** * Returns the sample rate class for input source <idx> for |