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| author | Takashi Iwai <tiwai@suse.de> | 2005-10-12 10:04:42 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2005-11-04 13:18:37 +0100 |
| commit | 2dfbeca9e9b3857e005afc9b933e2e1be07a9ea0 (patch) | |
| tree | 73dd679dd97c70c272577ccf66456261f78a5a04 /sound | |
| parent | [ALSA] Add the missing forward declration (diff) | |
| download | linux-2dfbeca9e9b3857e005afc9b933e2e1be07a9ea0.tar.xz linux-2dfbeca9e9b3857e005afc9b933e2e1be07a9ea0.zip | |
[ALSA] Add support of high-rate SPDIF output
Modules: ICE1724 driver
Add support of SPDIF output with sample rates higher than 48kHz.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/ice1712/ice1724.c | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index c3ce8f93740b..a1133c53412f 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -675,9 +675,12 @@ static snd_pcm_hardware_t snd_vt1724_spdif = SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START), .formats = SNDRV_PCM_FMTBIT_S32_LE, - .rates = SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000, + .rates = (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100| + SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200| + SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400| + SNDRV_PCM_RATE_192000), .rate_min = 32000, - .rate_max = 48000, + .rate_max = 192000, .channels_min = 2, .channels_max = 2, .buffer_bytes_max = (1UL << 18), /* 16bits dword */ @@ -905,6 +908,10 @@ static void update_spdif_rate(ice1712_t *ice, unsigned int rate) case 44100: break; case 48000: nval |= 2 << 12; break; case 32000: nval |= 3 << 12; break; + case 88200: nval |= 4 << 12; break; + case 96000: nval |= 5 << 12; break; + case 192000: nval |= 6 << 12; break; + case 176400: nval |= 7 << 12; break; } if (val != nval) update_spdif_bits(ice, nval); @@ -1292,22 +1299,32 @@ static int snd_vt1724_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * static unsigned int encode_spdif_bits(snd_aes_iec958_t *diga) { - unsigned int val; + unsigned int val, rbits; val = diga->status[0] & 0x03; /* professional, non-audio */ if (val & 0x01) { /* professional */ if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) val |= 1U << 3; - switch (diga->status[0] & IEC958_AES0_PRO_FS) { - case IEC958_AES0_PRO_FS_44100: - break; - case IEC958_AES0_PRO_FS_32000: - val |= 3U << 12; - break; - default: - val |= 2U << 12; - break; + rbits = (diga->status[4] >> 3) & 0x0f; + if (rbits) { + switch (rbits) { + case 2: val |= 5 << 12; break; /* 96k */ + case 3: val |= 6 << 12; break; /* 192k */ + case 10: val |= 4 << 12; break; /* 88.2k */ + case 11: val |= 7 << 12; break; /* 176.4k */ + } + } else { + switch (diga->status[0] & IEC958_AES0_PRO_FS) { + case IEC958_AES0_PRO_FS_44100: + break; + case IEC958_AES0_PRO_FS_32000: + val |= 3U << 12; + break; + default: + val |= 2U << 12; + break; + } } } else { /* consumer */ |