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* Re: [alsa-devel] [PATCH] ASoC: wm8524: Add support S32_LE
@ 2019-11-05  3:25 S.j. Wang
  0 siblings, 0 replies; 3+ messages in thread
From: S.j. Wang @ 2019-11-05  3:25 UTC (permalink / raw)
  To: Charles Keepax
  Cc: kstewart, alsa-devel, linux-kernel, patches, tiwai, lgirdwood,
	broonie, tglx, info, allison

Hi

> On Fri, Nov 01, 2019 at 06:34:54AM +0000, S.j. Wang wrote:
> > Allow 32bit sample with this codec.
> >
> > Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
> > ---
> >  sound/soc/codecs/wm8524.c | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/sound/soc/codecs/wm8524.c b/sound/soc/codecs/wm8524.c
> > index 91e3d1570c45..4e9ab542f648 100644
> > --- a/sound/soc/codecs/wm8524.c
> > +++ b/sound/soc/codecs/wm8524.c
> > @@ -159,7 +159,9 @@ static int wm8524_mute_stream(struct
> snd_soc_dai
> > *dai, int mute, int stream)
> >
> >  #define WM8524_RATES SNDRV_PCM_RATE_8000_192000
> >
> > -#define WM8524_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |
> > SNDRV_PCM_FMTBIT_S24_LE)
> > +#define WM8524_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
> > +                     SNDRV_PCM_FMTBIT_S24_LE |\
> > +                     SNDRV_PCM_FMTBIT_S32_LE)
> >
> 
> The device doesn't actually support 32bit though, I guess it will ignore the
> extra LSBs so it should work. But is that really supporting 32 bit?
> 
I also think it may ignore the extra LSBs just as you said, but don't really
Support 32bit.  This change is to make driver accept S32_LE format.

Best regards
Wang shengjiu

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [alsa-devel] [PATCH] ASoC: wm8524: Add support S32_LE
  2019-11-01  6:34 S.j. Wang
@ 2019-11-04 10:24 ` Charles Keepax
  0 siblings, 0 replies; 3+ messages in thread
From: Charles Keepax @ 2019-11-04 10:24 UTC (permalink / raw)
  To: S.j. Wang
  Cc: kstewart, alsa-devel, linux-kernel, patches, tiwai, lgirdwood,
	broonie, tglx, info, allison

On Fri, Nov 01, 2019 at 06:34:54AM +0000, S.j. Wang wrote:
> Allow 32bit sample with this codec.
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
> ---
>  sound/soc/codecs/wm8524.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/soc/codecs/wm8524.c b/sound/soc/codecs/wm8524.c
> index 91e3d1570c45..4e9ab542f648 100644
> --- a/sound/soc/codecs/wm8524.c
> +++ b/sound/soc/codecs/wm8524.c
> @@ -159,7 +159,9 @@ static int wm8524_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
>  
>  #define WM8524_RATES SNDRV_PCM_RATE_8000_192000
>  
> -#define WM8524_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
> +#define WM8524_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
> +			SNDRV_PCM_FMTBIT_S24_LE |\
> +			SNDRV_PCM_FMTBIT_S32_LE)
>  

The device doesn't actually support 32bit though, I guess it will
ignore the extra LSBs so it should work. But is that really
supporting 32 bit?

Thanks,
Charles
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^ permalink raw reply	[flat|nested] 3+ messages in thread

* [alsa-devel] [PATCH] ASoC: wm8524: Add support S32_LE
@ 2019-11-01  6:34 S.j. Wang
  2019-11-04 10:24 ` Charles Keepax
  0 siblings, 1 reply; 3+ messages in thread
From: S.j. Wang @ 2019-11-01  6:34 UTC (permalink / raw)
  To: lgirdwood, broonie, perex, tiwai, tglx, allison, kstewart, info,
	S.j. Wang, patches, alsa-devel, linux-kernel

Allow 32bit sample with this codec.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
 sound/soc/codecs/wm8524.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8524.c b/sound/soc/codecs/wm8524.c
index 91e3d1570c45..4e9ab542f648 100644
--- a/sound/soc/codecs/wm8524.c
+++ b/sound/soc/codecs/wm8524.c
@@ -159,7 +159,9 @@ static int wm8524_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
 
 #define WM8524_RATES SNDRV_PCM_RATE_8000_192000
 
-#define WM8524_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
+#define WM8524_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+			SNDRV_PCM_FMTBIT_S24_LE |\
+			SNDRV_PCM_FMTBIT_S32_LE)
 
 static const struct snd_soc_dai_ops wm8524_dai_ops = {
 	.startup	= wm8524_startup,
-- 
2.21.0

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2019-11-01  6:34 S.j. Wang
2019-11-04 10:24 ` Charles Keepax

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