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SubjectRe: [PATCH] ASoC: sunxi: DMIC: Add controls for adjusting the mic gains
Date
Dne četrtek, 25. april 2024 ob 13:03:56 GMT +2 je Joao Schim napisal(a):
> On 4/24/24 20:42, Jernej Škrabec wrote:
> > Hi Joao,
> Hi Jernej, thanks for your prompt response.
> >
> > Dne ponedeljek, 22. april 2024 ob 17:02:13 GMT +2 je Joao Schim napisal(a):
> >> The AllWinner H6 and later SoCs that sport a DMIC block contain a set of registers to control
> >> the gain (left + right) of each of the four supported channels.
> >>
> >> Add ASoC controls for changing each of the stereo channel gains using alsamixer and alike
> > Add SoB tag.
> Yeah, i realized that too late. Thanks for bringing that to my
> attention. I will add it in v1.
> >
> >> ---
> >> sound/soc/sunxi/sun50i-dmic.c | 34 ++++++++++++++++++++++++++++++++++
> >> 1 file changed, 34 insertions(+)
> >>
> >> diff --git a/sound/soc/sunxi/sun50i-dmic.c b/sound/soc/sunxi/sun50i-dmic.c
> >> index c76628bc86c6..f8613d8c3462 100644
> >> --- a/sound/soc/sunxi/sun50i-dmic.c
> >> +++ b/sound/soc/sunxi/sun50i-dmic.c
> >> @@ -14,6 +14,7 @@
> >> #include <sound/dmaengine_pcm.h>
> >> #include <sound/pcm_params.h>
> >> #include <sound/soc.h>
> >> +#include <sound/tlv.h>
> >>
> >> #define SUN50I_DMIC_EN_CTL (0x00)
> >> #define SUN50I_DMIC_EN_CTL_GLOBE BIT(8)
> >> @@ -43,6 +44,17 @@
> >> #define SUN50I_DMIC_CH_NUM_N_MASK GENMASK(2, 0)
> >> #define SUN50I_DMIC_CNT (0x2c)
> >> #define SUN50I_DMIC_CNT_N (1 << 0)
> >> +#define SUN50I_DMIC_D0D1_VOL_CTR (0x30)
> >> + #define SUN50I_DMIC_D0D1_VOL_CTR_0R (0)
> >> + #define SUN50I_DMIC_D0D1_VOL_CTR_0L (8)
> >> + #define SUN50I_DMIC_D0D1_VOL_CTR_1R (16)
> >> + #define SUN50I_DMIC_D0D1_VOL_CTR_1L (24)
> >> +#define SUN50I_DMIC_D2D3_VOL_CTR (0x34)
> >> + #define SUN50I_DMIC_D2D3_VOL_CTR_2R (0)
> >> + #define SUN50I_DMIC_D2D3_VOL_CTR_2L (8)
> >> + #define SUN50I_DMIC_D2D3_VOL_CTR_3R (16)
> >> + #define SUN50I_DMIC_D2D3_VOL_CTR_3L (24)
> >> +
> >> #define SUN50I_DMIC_HPF_CTRL (0x38)
> >> #define SUN50I_DMIC_VERSION (0x50)
> >>
> >> @@ -273,8 +285,30 @@ static const struct of_device_id sun50i_dmic_of_match[] = {
> >> };
> >> MODULE_DEVICE_TABLE(of, sun50i_dmic_of_match);
> >>
> >> +static const DECLARE_TLV_DB_SCALE(sun50i_dmic_vol_scale, -12000, 75, 1);
> > DECLARE_TLV_DB_SCALE is old name, SNDRV_CTL_TLVD_DECLARE_DB_SCALE should be
> > used instead.
> I can't seem to find that define in HEAD. what code-base are you
> referring to that i should checkout ?

Here is define:
https://elixir.bootlin.com/linux/v6.9-rc1/source/include/uapi/sound/tlv.h#L52

However, I'm not sure if this message means DECLARE_TLV_DB_SCALE is
deprecated or not:
https://elixir.bootlin.com/linux/v6.9-rc1/source/include/sound/tlv.h#L12

Best regards,
Jernej

> >
> > Other than that, it looks fine.
>
> Thanks.
>
> > Best regards,
> > Jernej
> >
> >> +
> >> +static const struct snd_kcontrol_new sun50i_dmic_controls[] = {
> >> +
> >> + SOC_DOUBLE_TLV("DMIC Channel 0 Capture Volume", SUN50I_DMIC_D0D1_VOL_CTR,
> >> + SUN50I_DMIC_D0D1_VOL_CTR_0L, SUN50I_DMIC_D0D1_VOL_CTR_0R,
> >> + 0xFF, 0, sun50i_dmic_vol_scale),
> >> + SOC_DOUBLE_TLV("DMIC Channel 1 Capture Volume", SUN50I_DMIC_D0D1_VOL_CTR,
> >> + SUN50I_DMIC_D0D1_VOL_CTR_1L, SUN50I_DMIC_D0D1_VOL_CTR_1R,
> >> + 0xFF, 0, sun50i_dmic_vol_scale),
> >> + SOC_DOUBLE_TLV("DMIC Channel 2 Capture Volume", SUN50I_DMIC_D2D3_VOL_CTR,
> >> + SUN50I_DMIC_D2D3_VOL_CTR_2L, SUN50I_DMIC_D2D3_VOL_CTR_2R,
> >> + 0xFF, 0, sun50i_dmic_vol_scale),
> >> + SOC_DOUBLE_TLV("DMIC Channel 3 Capture Volume", SUN50I_DMIC_D2D3_VOL_CTR,
> >> + SUN50I_DMIC_D2D3_VOL_CTR_3L, SUN50I_DMIC_D2D3_VOL_CTR_3R,
> >> + 0xFF, 0, sun50i_dmic_vol_scale),
> >> +
> >> +
> >> +};
> >> +
> >> static const struct snd_soc_component_driver sun50i_dmic_component = {
> >> .name = "sun50i-dmic",
> >> + .controls = sun50i_dmic_controls,
> >> + .num_controls = ARRAY_SIZE(sun50i_dmic_controls),
> >> };
> >>
> >> static int sun50i_dmic_runtime_suspend(struct device *dev)
> >>
> >
> >
> >
> Kind regards,
>
> Joao
>
>





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