On 20.10.2015 11:10, Lars-Peter Clausen wrote: > On 10/15/2015 01:16 PM, pascal.huerst@xxxxxxxxx wrote: >> From: Pascal Huerst <pascal.huerst@xxxxxxxxx> >> >> According to the datasheet, this device does also support 44.1 KHz >> as sample rate. This adds the necessary changes to support this. >> >> See Datasheet: Rev. B / page 39 / SR[1:0] >> >> Signed-off-by: Pascal Huerst <pascal.huerst@xxxxxxxxx> > > Hm, right. The sample rates that part can run at depend on the external > clock rate. It can run at ext_clk / 256, ext_clk / 128 or ext_clk / 64. > Maybe we should just implement it like that. > > Do you have support for switching the external clock at runtime on your > platform? Yes, I can switch th eclock at runtime. >> --- >> sound/soc/codecs/adau1701.c | 5 +++-- >> 1 file changed, 3 insertions(+), 2 deletions(-) >> >> diff --git a/sound/soc/codecs/adau1701.c b/sound/soc/codecs/adau1701.c >> index de53c0d..8b3ba51 100644 >> --- a/sound/soc/codecs/adau1701.c >> +++ b/sound/soc/codecs/adau1701.c >> @@ -459,6 +459,7 @@ static int adau1701_hw_params(struct snd_pcm_substream *substream, >> case 96000: >> val = ADAU1701_DSPCTRL_SR_96; >> break; >> + case 44100: >> case 48000: >> val = ADAU1701_DSPCTRL_SR_48; >> break; >> @@ -623,8 +624,8 @@ static int adau1701_startup(struct snd_pcm_substream *substream, >> return sigmadsp_restrict_params(adau1701->sigmadsp, substream); >> } >> >> -#define ADAU1701_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | \ >> - SNDRV_PCM_RATE_192000) >> +#define ADAU1701_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ >> + SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000) >> >> #define ADAU1701_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ >> SNDRV_PCM_FMTBIT_S24_LE) >> > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
