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Mon, 15 Jun 2026 11:57:21 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 810DBF80038 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=EzR7mdaa Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 24F43600AB; Mon, 15 Jun 2026 09:57:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CC7841F000E9; Mon, 15 Jun 2026 09:57:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781517438; bh=zURo25oDAcUEDafHHDnfkoawMEwQG3t1Hi9SA5YXxnY=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=EzR7mdaaoMDXFQhb6iFgYjHZlv2BTZ7lUIqI7gG7m43c7cdV+MbC9EqBbr4X4bYrP 06Yx3MUJ4lpZpLRNmTPc1Ae/+d9815tShnq2zeBaUDB5bv7cn7qNtFQZfs9N06SzBp eWdU/xnwpCpTIX2fGVZE/6aOuzoIA3bqay4M4Kt4AMeFaPj5U+FWxBQ1D1LC8xKhzY oCkaJgStQ37yBK0ZtMy+cU2s8HFtsAc5rp7d7LXkG98cNZ8ij2lRbLLRHOysiw8qpZ E9Xkq/z7pdKLNQpuMZwSx5m+aFrMjHAuhaAOkYhxMLEoAcr/cPaHjxDzdR9/Lysya3 aLpH4Od8zH7DA== Message-ID: <241d0fab-26ea-4c06-9928-e256f2cc5d1c@kernel.org> Date: Mon, 15 Jun 2026 11:57:13 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 7/7] ASoC: dt-bindings: ES8389: Add members about HPF and clock To: Zhang Yi Cc: alsa-devel@alsa-project.org, broonie@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, krzk+dt@kernel.org, robh@kernel.org, tiwai@suse.com References: <20260615060744.18775-1-zhangyi@everest-semi.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Message-ID-Hash: SSLSJ72RBJERLKMNOHLINUAKSR4IXXKB X-Message-ID-Hash: SSLSJ72RBJERLKMNOHLINUAKSR4IXXKB X-MailFrom: krzk@kernel.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On 15/06/2026 08:07, Zhang Yi wrote: >>>>> + $ref: /schemas/types.yaml#/definitions/flag >>>>> + description: >>>>> + Indicates that SCLK is used as the internal clock. >>>> >>>> And what happens with mclk in such case? Is it still wired? >>> >>> Yes, setting mclk-from-sclk does not affect the MCLK connection. >> >> I am asking about wiring of the device. If MCLK is used from SCLK, but >> SCLK is used as the internal clock, then how can you still have MCLK >> connected? > > If MCLK is derived from SCLK, whether the 'MCLK' pin on the device is > connected or not has no effect on operation. If MCLK is connected, why would you derive it from SCLK? That's the point - your clocks property already might be telling everything needed here. > >>>>> + >>>>> + everest,hpfl: >>>>> + $ref: /schemas/types.yaml#/definitions/uint8 >>>>> + description: >>>>> + the HPF value of ADCL. >>>> >>>> Is HPF value in dB? If so, use proper unit suffix and proper units. >>> >>> No, the values here correspond to the values in the registers. >>> The value is not in dB >> >> What are the meanings of the register values? > > The value of everest,hpfl is equal to the value of the corresponding register, > not the cutoff frequency of the HPF. You keep avoiding answers. I don't want you to encode standard units as register values. Best regards, Krzysztof