[alsa-devel] [PATCH v2 3/4] ASoC: qdsp6: q6afe-dai: Update max rate for slim and tdm dais
Srinivas Kandagatla
srinivas.kandagatla at linaro.org
Thu Aug 22 12:45:48 CEST 2019
On 22/08/2019 11:09, Takashi Iwai wrote:
> On Thu, 22 Aug 2019 11:56:52 +0200,
> Srinivas Kandagatla wrote:
>>
>> QDSP supports up to 384000 rates on SLIM dais and 352800 rate on TDM dais.
>> Add this missing rates.
>>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
>> ---
>> sound/soc/qcom/qdsp6/q6afe-dai.c | 92 +++++++++++---------------------
>> 1 file changed, 32 insertions(+), 60 deletions(-)
>>
>> diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c
>> index c1a7624eaf17..ae2baefdb6e2 100644
>> --- a/sound/soc/qcom/qdsp6/q6afe-dai.c
>> +++ b/sound/soc/qcom/qdsp6/q6afe-dai.c
>> @@ -18,14 +18,14 @@
>> .stream_name = pre" TDM"#num" Playback", \
>> .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
>> SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
>> - SNDRV_PCM_RATE_176400, \
>> + SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_352800,\
>
> This will support a lot more than advertised, e.g. it contains 64000Hz
> or 22050Hz. Is this supposed? If yes, mention it clearly in the
> changelog, too.
Some of the rates inbetween are not in the DSP supported rate list for TDM.
DSP should return error if we try to set any unsupported rate!
--srini
>
> thanks,
>
> Takashi
>
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