diff options
Diffstat (limited to 'sound/pci/ice1712')
| -rw-r--r-- | sound/pci/ice1712/ice1724.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 92362973764d..812d10e43ae0 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -1013,6 +1013,25 @@ static int set_rate_constraints(struct snd_ice1712 *ice, ice->hw_rates); } +/* if the card has the internal rate locked (is_pro_locked), limit runtime + hw rates to the current internal rate only. +*/ +static void constrain_rate_if_locked(struct snd_pcm_substream *substream) +{ + struct snd_ice1712 *ice = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + unsigned int rate; + if (is_pro_rate_locked(ice)) { + rate = ice->get_rate(ice); + if (rate >= runtime->hw.rate_min + && rate <= runtime->hw.rate_max) { + runtime->hw.rate_min = rate; + runtime->hw.rate_max = rate; + } + } +} + + /* multi-channel playback needs alignment 8x32bit regardless of the channels * actually used */ @@ -1046,6 +1065,7 @@ static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream) VT1724_BUFFER_ALIGN); snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, VT1724_BUFFER_ALIGN); + constrain_rate_if_locked(substream); if (ice->pro_open) ice->pro_open(ice, substream); return 0; @@ -1066,6 +1086,7 @@ static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream) VT1724_BUFFER_ALIGN); snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, VT1724_BUFFER_ALIGN); + constrain_rate_if_locked(substream); if (ice->pro_open) ice->pro_open(ice, substream); return 0; @@ -1215,6 +1236,7 @@ static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream) VT1724_BUFFER_ALIGN); snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, VT1724_BUFFER_ALIGN); + constrain_rate_if_locked(substream); if (ice->spdif.ops.open) ice->spdif.ops.open(ice, substream); return 0; @@ -1251,6 +1273,7 @@ static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream) VT1724_BUFFER_ALIGN); snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, VT1724_BUFFER_ALIGN); + constrain_rate_if_locked(substream); if (ice->spdif.ops.open) ice->spdif.ops.open(ice, substream); return 0; |