[PATCH v2 3/7] ASoC: fsl_sai: Add support for more sample rates
From: Shengjiu Wang <hidden>
Date: 2022-06-17 07:59:28
Also in:
alsa-devel, linux-devicetree, lkml
Subsystem:
freescale soc sound drivers, sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Shengjiu Wang, Xiubo Li, Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds
Add support for more sample rates, because PDM format bitstream has higher sample rates. for example DSD512 format, the bit clock is 22.5792MHz, if the word width is U8_LE, then the max sample rate is 2822400. Signed-off-by: Shengjiu Wang <redacted> --- sound/soc/fsl/fsl_sai.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index d11ee3b6f163..9d2828b55c07 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c@@ -30,7 +30,8 @@ static const unsigned int fsl_sai_rates[] = { 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, 64000, - 88200, 96000, 176400, 192000 + 88200, 96000, 176400, 192000, 352800, + 384000, 705600, 768000, 1411200, 2822400, }; static const struct snd_pcm_hw_constraint_list fsl_sai_rate_constraints = {
@@ -763,7 +764,7 @@ static struct snd_soc_dai_driver fsl_sai_dai_template = { .channels_min = 1, .channels_max = 32, .rate_min = 8000, - .rate_max = 192000, + .rate_max = 2822400, .rates = SNDRV_PCM_RATE_KNOT, .formats = FSL_SAI_FORMATS, },
@@ -772,7 +773,7 @@ static struct snd_soc_dai_driver fsl_sai_dai_template = { .channels_min = 1, .channels_max = 32, .rate_min = 8000, - .rate_max = 192000, + .rate_max = 2822400, .rates = SNDRV_PCM_RATE_KNOT, .formats = FSL_SAI_FORMATS, },
--
2.17.1