From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-183.mta0.migadu.com (out-183.mta0.migadu.com [91.218.175.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D4649367B74 for ; Sun, 26 Jul 2026 18:52:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785091956; cv=none; b=nZdGChjqeUErBWxJpPDprlaRxQ+IU7hjXLR3iY1ruropogwQSMG3mYPGyntVOFQMlRTnfiNvb9odNUEFgss/VQULIApDSBWb5dD8Iu9ZKhyT2BuLIixkhFGEXrDScoEHuOgFD+4alY3Gl9s+LSwnzyFmtOFR/J8DyhQACb6v9No= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785091956; c=relaxed/simple; bh=f5VsaewYlZt1i8Ky4wjPa72Q5JN1KS3rGI+PD3xWVw8=; h=Date:From:To:CC:Subject:In-Reply-To:References:Message-ID: MIME-Version:Content-Type; b=sOJrC9iS/sVU+VW3N+DWH1ZN+R8o8X4LLtWFcPaJrC4ZE5ZBdgK8ZUiLy3uy48ZLILgaZZdzYIoMZyw5jYlszo5gFwYuMqnm5om1HdCsz3cetLpLQOHk+MO548xluYeVQGt0xPqVlGgrKP+0SzaG/Ru8aFJ5KySj1ijA+coYPQI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=Kv+ULN+O; arc=none smtp.client-ip=91.218.175.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="Kv+ULN+O" Date: Mon, 27 Jul 2026 00:52:23 +0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1785091952; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=whdVcj23Ps7iEgQlji8s+nOuelww4Ms+98cWp5+eqzQ=; b=Kv+ULN+OEpd2rRZJctoj5+595vhDdQJj5caG41Bn1/ibhfVHn+de40AFjS4BZoBkEwA7ZM 2mlH8FY10c6eixu8oHfaQJjOSZQwlDM8JMobI1TEfMQU3mEymsOul+Tai6JKBpZ1RW2raq FbnMWgKLQ+8tCJeYP+8cVGX7lsH4ov0= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Siratul Islam To: Lukas , Jonathan Cameron CC: David Lechner , =?ISO-8859-1?Q?Nuno_S=E1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v2 2/2] iio: dac: dac8163: Add driver for DAC8163 In-Reply-To: References: <20260708-dac8163-work-v2-0-3acd1bf20182@gmx.net> <20260708-dac8163-work-v2-2-3acd1bf20182@gmx.net> <6b3f1b6188afbb8ebf9576274894b5ed292eca92@linux.dev> <20260726191833.67dcfac2@jic23-huawei> Message-ID: <1E57F5BA-1864-4644-932D-3612AE7B1AB5@linux.dev> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT On July 27, 2026 12:46:23 AM GMT+06:00, Lukas wrot= e: >On Sun, Jul 26, 2026 at 07:18:33PM +0100, Jonathan Cameron wrote: >>=20 >> As this has come up, I'd favour just having two static const regmap_con= fig structures >> and picking between them=2E Obviously I haven't checked but I'd guess = that any >> overhead of extra text data for those is not that different to the extr= a code of the current >> approach=2E Generally if you can make this sort of thing data rather t= han code it >> is a net gain=2E >>=20 >> Jonathan > >I actually misspoke before=2E Since all dacxxx3 devices have different >default values (mid-scale varies for different resolutions), 4 >different reg_defaults are needed to cover all the devices=2E I could >define 4 static const regmap_configs and pick between them or go with >Siratul Islams approach=2E > >Best regards > >Lukas If you need 4 of them then it's a bit too much I think=2E I don't know if = it would be acceptable duplication at that point=2E -- Best regards, Sirat