diff options
| author | Markus Bollinger <bollinger@digigram.com> | 2012-06-20 08:34:40 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-06-20 08:35:37 +0200 |
| commit | fdfbaf69e0b9d6843c0da6501caf4ecacec0f775 (patch) | |
| tree | d8d8104c9b310f87d18d5995ce6da12908211054 /sound/pci/pcxhr/pcxhr_mix22.c | |
| parent | d7dc9e32ae64b5db777017344da61a285c2347f8 (diff) | |
ALSA: pcxhr: Add LTC support
add LTC (linear timecode) read function via proc interface to the pcxhr driver
Signed-off-by: Markus Bollinger <bollinger@digigram.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/pcxhr/pcxhr_mix22.c')
| -rw-r--r-- | sound/pci/pcxhr/pcxhr_mix22.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/pci/pcxhr/pcxhr_mix22.c b/sound/pci/pcxhr/pcxhr_mix22.c index 1cb82c0a9cb..84fe57626eb 100644 --- a/sound/pci/pcxhr/pcxhr_mix22.c +++ b/sound/pci/pcxhr/pcxhr_mix22.c @@ -53,6 +53,7 @@ #define PCXHR_DSP_RESET_DSP 0x01 #define PCXHR_DSP_RESET_MUTE 0x02 #define PCXHR_DSP_RESET_CODEC 0x08 +#define PCXHR_DSP_RESET_SMPTE 0x10 #define PCXHR_DSP_RESET_GPO_OFFSET 5 #define PCXHR_DSP_RESET_GPO_MASK 0x60 @@ -527,6 +528,16 @@ int hr222_write_gpo(struct pcxhr_mgr *mgr, int value) return 0; } +int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable) +{ + if (enable) + mgr->dsp_reset |= PCXHR_DSP_RESET_SMPTE; + else + mgr->dsp_reset &= ~PCXHR_DSP_RESET_SMPTE; + + PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, mgr->dsp_reset); + return 0; +} int hr222_update_analog_audio_level(struct snd_pcxhr *chip, int is_capture, int channel) |