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Message-ID: <2179677.irdbgypaU6@jernej-laptop>
Date: Mon, 29 Apr 2024 20:47:49 +0200
From: Jernej Škrabec <jernej.skrabec@...il.com>
To: Ban Tao <fengzheng923@...il.com>, Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>, Chen-Yu Tsai <wens@...e.org>,
Samuel Holland <samuel@...lland.org>, Joao Schim <joao@...imsalabim.eu>
Cc: alsa-devel@...a-project.org, linux-sound@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
linux-kernel@...r.kernel.org
Subject:
Re: [PATCH] ASoC: sunxi: DMIC: Add controls for adjusting the mic gains
Dne ponedeljek, 29. april 2024 ob 20:39:24 GMT +2 je Joao Schim napisal(a):
> On 4/26/24 16:39, Jernej Škrabec wrote:
> > 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
>
> Right, apparently i sneaked in another D in the name. That explains i
> could not find it.
>
> Will send v1 in a few minutes. Thanks.
that would be v2?
v1 is first submission and it's usually not marked as such.
Best regards,
Jernej
>
> Kind regards,
>
> Joao
>
> > 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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