Add support for 352k8 and 384k samples rates to pcm5102a codec driver, with SNDRV_PCM_RATE_KNOT and a constraint list.

Signed-off-by: Clive Messer clive.messer@digitaldreamtime.co.uk --- sound/soc/codecs/pcm5102a.c | 38 +++++++++++++++++++++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/pcm5102a.c b/sound/soc/codecs/pcm5102a.c index ed51567..53dfc99 100644 --- a/sound/soc/codecs/pcm5102a.c +++ b/sound/soc/codecs/pcm5102a.c @@ -20,16 +20,52 @@

#include <sound/soc.h>

+static const u32 pcm5102a_rates[] = { + 8000, 16000, 32000, 44100, 48000, 88200, 96000, 176400, 192000, + 352800, 384000, +}; + +static const struct snd_pcm_hw_constraint_list pcm5102a_constraint_rates = { + .count = ARRAY_SIZE(pcm5102a_rates), + .list = pcm5102a_rates, +}; + +static int pcm5102a_dai_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_codec *codec = dai->codec; + struct pcm5102a_priv *priv = snd_soc_codec_get_drvdata(codec); + int ret; + + dev_dbg(codec->dev, "%s: set rates (8k-384k) constraint\n", __func__); + + ret = snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &pcm5102a_constraint_rates); + if (ret != 0) { + dev_err(codec->dev, "%s: Failed to set rates constraint: %d\n", + __func__, ret); + return ret; + } + + return 0; +} + +static const struct snd_soc_dai_ops pcm5102a_dai_ops = { + .startup = pcm5102a_dai_startup, +}; + static struct snd_soc_dai_driver pcm5102a_dai = { .name = "pcm5102a-hifi", .playback = { .channels_min = 2, .channels_max = 2, - .rates = SNDRV_PCM_RATE_8000_192000, + .rates = SNDRV_PCM_RATE_KNOT, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE }, + .ops = &pcm5102a_dai_ops, };

static struct snd_soc_codec_driver soc_codec_dev_pcm5102a;