On Wed, 14 Aug 2019 at 10:28, Jernej Škrabec <jernej.skrabec@xxxxxxxxx> wrote: > > Hi! > > Dne sreda, 14. avgust 2019 ob 08:08:53 CEST je codekipper@xxxxxxxxx > napisal(a): > > From: Marcus Cooper <codekipper@xxxxxxxxx> > > > > Extend the functionality of the driver to include support of 20 and > > 24 bits per sample for the earlier SoCs. > > > > Newer SoCs can also handle 32bit samples. > > > > Signed-off-by: Marcus Cooper <codekipper@xxxxxxxxx> > > --- > > sound/soc/sunxi/sun4i-i2s.c | 21 +++++++++++++++++++-- > > 1 file changed, 19 insertions(+), 2 deletions(-) > > > > diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c > > index a71969167053..d3c8789f70bb 100644 > > --- a/sound/soc/sunxi/sun4i-i2s.c > > +++ b/sound/soc/sunxi/sun4i-i2s.c > > @@ -690,6 +690,11 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream > > *substream, case 16: > > width = DMA_SLAVE_BUSWIDTH_2_BYTES; > > break; > > + case 20: > > + case 24: > > + case 32: > > params_physical_width() returns 32 also for 20 and 24-bit formats, so drop 20 > and 24. ACK > > Best regards, > Jernej > > > + width = DMA_SLAVE_BUSWIDTH_4_BYTES; > > + break; > > default: > > dev_err(dai->dev, "Unsupported physical sample width: > %d\n", > > params_physical_width(params)); > > @@ -1015,6 +1020,13 @@ static int sun4i_i2s_dai_probe(struct snd_soc_dai > > *dai) return 0; > > } > > > > +#define SUN4I_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ > > + SNDRV_PCM_FMTBIT_S20_LE | \ > > + SNDRV_PCM_FMTBIT_S24_LE) > > + > > +#define SUN8I_FORMATS (SUN4I_FORMATS | \ > > + SNDRV_PCM_FMTBIT_S32_LE) > > + > > static struct snd_soc_dai_driver sun4i_i2s_dai = { > > .probe = sun4i_i2s_dai_probe, > > .capture = { > > @@ -1022,14 +1034,14 @@ static struct snd_soc_dai_driver sun4i_i2s_dai = { > > .channels_min = 2, > > .channels_max = 2, > > .rates = SNDRV_PCM_RATE_8000_192000, > > - .formats = SNDRV_PCM_FMTBIT_S16_LE, > > + .formats = SUN4I_FORMATS, > > }, > > .playback = { > > .stream_name = "Playback", > > .channels_min = 2, > > .channels_max = 2, > > .rates = SNDRV_PCM_RATE_8000_192000, > > - .formats = SNDRV_PCM_FMTBIT_S16_LE, > > + .formats = SUN4I_FORMATS, > > }, > > .ops = &sun4i_i2s_dai_ops, > > .symmetric_rates = 1, > > @@ -1505,6 +1517,11 @@ static int sun4i_i2s_probe(struct platform_device > > *pdev) goto err_pm_disable; > > } > > > > + if (i2s->variant->has_fmt_set_lrck_period) { > > + soc_dai->playback.formats = SUN8I_FORMATS; > > + soc_dai->capture.formats = SUN8I_FORMATS; > > + } > > + > > if (!of_property_read_u32(pdev->dev.of_node, > > "allwinner,playback-channels", > &val)) { > > if (val >= 2 && val <= 8) > > > > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel