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Signed-off-by: Seven Lee Acked-by: Conor Dooley --- .../devicetree/bindings/sound/nuvoton,nau8821.yaml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml index 3e54abd4ca74..3380b6aa9542 100644 --- a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml +++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml @@ -89,6 +89,14 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32 default: 3072000 + nuvoton,dmic-slew-rate: + description: The range 0 to 7 represents the speed of DMIC slew rate. + The lowest value 0 means the slowest rate and the highest value + 7 means the fastest rate. + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 7 + default: 0 + nuvoton,left-input-single-end: description: Enable left input with single-ended settings if set. For the headset mic application, the single-ended control is @@ -127,6 +135,7 @@ examples: nuvoton,jack-insert-debounce = <7>; nuvoton,jack-eject-debounce = <0>; nuvoton,dmic-clk-threshold = <3072000>; + nuvoton,dmic-slew-rate= <0>; #sound-dai-cells = <0>; }; }; From patchwork Tue Nov 7 03:52:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Seven Lee X-Patchwork-Id: 162258 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:8f47:0:b0:403:3b70:6f57 with SMTP id j7csp3081634vqu; Mon, 6 Nov 2023 19:53:22 -0800 (PST) X-Google-Smtp-Source: AGHT+IErO8tEKbv75x659BeYFZU4/i0Lwgo51cBOEM5342Kr626cQKIWMhXdhBB94bNYIa77qOBZ X-Received: by 2002:a17:902:e847:b0:1cc:4559:ca with SMTP id t7-20020a170902e84700b001cc455900camr24012202plg.47.1699329202519; Mon, 06 Nov 2023 19:53:22 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1699329202; cv=pass; d=google.com; s=arc-20160816; b=Gq+sf30Akp1md61BilxqPeNzHxI+viDxczCVJX084Dn87q4E72Q/QJ+f8GQkhoyAut 91f2ymJ2QjZvOCh/g5+UsCIkGLCn3EXlbykibwm5o8YY9Ii/YY9SfTNl4L6TcWyzIjqw Ldi73f1b5PUd7RI8yJCi2xW38WsjLFo5eA3/Z6k6AAW/4Mf3bbxTgJzxCs7bD1FOyZRE KFjp7K2AUot4lyjolTUUyrHteTYq3LYHSLsn37E2lyam9Qstg++pUOkzPpQMRKvcrKCg xXzLe2IuI1jkGlZAbNicE6+LuOEZQWhNIEERepWDAcZdx3pRFlPvoUTp7Phu1sJ97syL FCKg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=VcaICetR5lyEKj6pIUQJ2asUqjV4ZwfHDhAFVDFV/yA=; fh=VK36niWAyT/WlOfWGoNeecpXVq9/Qt2dNybFL4BfA1Q=; b=YOKkRx06xIcL2SltqycS23a1ZFAI/DQhzpxh0s11FUx4Ee9tiLrNPzJazG62Hf5RXw HjL4LtZIykWFo7NSGiv9d4qtpl+RUCY6SnF/qpWdw99diXWRdXdGv+6ShZcACyCZBtu9 YQA8QOzXYyW67+yQ2o7sONNuKoRP3nequFHtmrOn4qyClEPqUrFmT8XomqOSm3JXy5kR mSUOIHYZJsW9M9MAlj4F29pLIZcqGLcvJUMfBnsJP49OBHn+JPv6b0rAs+Z9f8ILx0XN z45AWUSP+EBUCKCJgCbKEmHPV6UObrBWzv5wGDlzRkQ49BwVWEMtbC6h+mubMjlllk6k t5cg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@nuvoton.com header.s=selector1 header.b=ONsKZzrm; arc=pass (i=1 spf=pass spfdomain=nuvoton.com dmarc=pass fromdomain=nuvoton.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=nuvoton.com Received: from agentk.vger.email (agentk.vger.email. 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Signed-off-by: Seven Lee --- sound/soc/codecs/nau8821.c | 7 +++++++ sound/soc/codecs/nau8821.h | 3 +++ 2 files changed, 10 insertions(+) diff --git a/sound/soc/codecs/nau8821.c b/sound/soc/codecs/nau8821.c index 6e1b6b26298a..012e347e6391 100644 --- a/sound/soc/codecs/nau8821.c +++ b/sound/soc/codecs/nau8821.c @@ -1738,6 +1738,10 @@ static int nau8821_read_device_properties(struct device *dev, &nau8821->dmic_clk_threshold); if (ret) nau8821->dmic_clk_threshold = 3072000; + ret = device_property_read_u32(dev, "nuvoton,dmic-slew-rate", + &nau8821->dmic_slew_rate); + if (ret) + nau8821->dmic_slew_rate = 0; return 0; } @@ -1797,6 +1801,9 @@ static void nau8821_init_regs(struct nau8821 *nau8821) NAU8821_ADC_SYNC_DOWN_MASK, NAU8821_ADC_SYNC_DOWN_64); regmap_update_bits(regmap, NAU8821_R2C_DAC_CTRL1, NAU8821_DAC_OVERSAMPLE_MASK, NAU8821_DAC_OVERSAMPLE_64); + regmap_update_bits(regmap, NAU8821_R13_DMIC_CTRL, + NAU8821_DMIC_SLEW_MASK, nau8821->dmic_slew_rate << + NAU8821_DMIC_SLEW_SFT); if (nau8821->left_input_single_end) { regmap_update_bits(regmap, NAU8821_R6B_PGA_MUTE, NAU8821_MUTE_MICNL_EN, NAU8821_MUTE_MICNL_EN); diff --git a/sound/soc/codecs/nau8821.h b/sound/soc/codecs/nau8821.h index 00a888ed07ce..62eaad130b2e 100644 --- a/sound/soc/codecs/nau8821.h +++ b/sound/soc/codecs/nau8821.h @@ -236,6 +236,8 @@ #define NAU8821_DMIC_SRC_MASK (0x3 << NAU8821_DMIC_SRC_SFT) #define NAU8821_CLK_DMIC_SRC (0x2 << NAU8821_DMIC_SRC_SFT) #define NAU8821_DMIC_EN_SFT 0 +#define NAU8821_DMIC_SLEW_SFT 8 +#define NAU8821_DMIC_SLEW_MASK (0x7 << NAU8821_DMIC_SLEW_SFT) /* GPIO12_CTRL (0x1a) */ #define NAU8821_JKDET_PULL_UP (0x1 << 11) /* 0 - pull down, 1 - pull up */ @@ -573,6 +575,7 @@ struct nau8821 { int jack_eject_debounce; int fs; int dmic_clk_threshold; + int dmic_slew_rate; int key_enable; };