On Thu, 22 Aug 2019 11:56:50 +0200,
Srinivas Kandagatla wrote:
>
> From: Vidyakumar Athota <vathota@xxxxxxxxxxxxxx>
>
> Most of the modern codecs supports 352.8KHz and 384KHz sample rates.
> Currenlty HW params fails to set 352.8Kz and 384KHz sample rate
> as these are not in known rates list.
> Add these new rates to known list to allow them.
>
> This patch also adds defines in pcm.h so that drivers can use it.
>
> Signed-off-by: Vidyakumar Athota <vathota@xxxxxxxxxxxxxx>
> Signed-off-by: Banajit Goswami <bgoswami@xxxxxxxxxxxxxx>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
About this API change:
Reviewed-by: Takashi Iwai <tiwai@xxxxxxx>
thanks,
Takashi
> ---
> include/sound/pcm.h | 5 +++++
> sound/core/pcm_native.c | 2 +-
> 2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/include/sound/pcm.h b/include/sound/pcm.h
> index 1e9bb1c91770..bbe6eb1ff5d2 100644
> --- a/include/sound/pcm.h
> +++ b/include/sound/pcm.h
> @@ -117,6 +117,8 @@ struct snd_pcm_ops {
> #define SNDRV_PCM_RATE_96000 (1<<10) /* 96000Hz */
> #define SNDRV_PCM_RATE_176400 (1<<11) /* 176400Hz */
> #define SNDRV_PCM_RATE_192000 (1<<12) /* 192000Hz */
> +#define SNDRV_PCM_RATE_352800 (1<<13) /* 352800Hz */
> +#define SNDRV_PCM_RATE_384000 (1<<14) /* 384000Hz */
>
> #define SNDRV_PCM_RATE_CONTINUOUS (1<<30) /* continuous range */
> #define SNDRV_PCM_RATE_KNOT (1<<31) /* supports more non-continuos rates */
> @@ -129,6 +131,9 @@ struct snd_pcm_ops {
> SNDRV_PCM_RATE_88200|SNDRV_PCM_RATE_96000)
> #define SNDRV_PCM_RATE_8000_192000 (SNDRV_PCM_RATE_8000_96000|SNDRV_PCM_RATE_176400|\
> SNDRV_PCM_RATE_192000)
> +#define SNDRV_PCM_RATE_8000_384000 (SNDRV_PCM_RATE_8000_192000|\
> + SNDRV_PCM_RATE_352800|\
> + SNDRV_PCM_RATE_384000)
> #define _SNDRV_PCM_FMTBIT(fmt) (1ULL << (__force int)SNDRV_PCM_FORMAT_##fmt)
> #define SNDRV_PCM_FMTBIT_S8 _SNDRV_PCM_FMTBIT(S8)
> #define SNDRV_PCM_FMTBIT_U8 _SNDRV_PCM_FMTBIT(U8)
> diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
> index 703857aab00f..11e653c8aa0e 100644
> --- a/sound/core/pcm_native.c
> +++ b/sound/core/pcm_native.c
> @@ -2170,7 +2170,7 @@ static int snd_pcm_hw_rule_sample_bits(struct snd_pcm_hw_params *params,
>
> static const unsigned int rates[] = {
> 5512, 8000, 11025, 16000, 22050, 32000, 44100,
> - 48000, 64000, 88200, 96000, 176400, 192000
> + 48000, 64000, 88200, 96000, 176400, 192000, 352800, 384000
> };
>
> const struct snd_pcm_hw_constraint_list snd_pcm_known_rates = {
> --
> 2.21.0
>
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