[alsa-devel] [PATCH 2/3] ALSA: hdspm - Add missing KNOT flag for AES32 rate restriction

[Takashi Iwai]

SNDRV_PCM_RATE_KNOW must be set for allowing non-standard sample rates
like 128kHz supported by AES32.

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/pci/rme9652/hdspm.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index c33f4a5..4add485 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -6006,6 +6006,7 @@ static int snd_hdspm_playback_open(struct snd_pcm_substream *substream)
 	}
 
 	if (AES32 == hdspm->io_type) {
+		runtime->hw.rates |= SNDRV_PCM_RATE_KNOT;
 		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 				&hdspm_hw_constraints_aes32_sample_rates);
 	} else {
@@ -6076,6 +6077,7 @@ static int snd_hdspm_capture_open(struct snd_pcm_substream *substream)
 	}
 
 	if (AES32 == hdspm->io_type) {
+		runtime->hw.rates |= SNDRV_PCM_RATE_KNOT;
 		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 				&hdspm_hw_constraints_aes32_sample_rates);
 	} else {
-- 
1.7.6