From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Inmjv7AE" Received: from mail-io1-xd41.google.com (mail-io1-xd41.google.com [IPv6:2607:f8b0:4864:20::d41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 082A5D1; Sat, 9 Dec 2023 02:54:58 -0800 (PST) Received: by mail-io1-xd41.google.com with SMTP id ca18e2360f4ac-7b6f2dd5633so131279739f.2; Sat, 09 Dec 2023 02:54:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1702119297; x=1702724097; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=lh2d4eIQQpeZhqaTpIu7fiK0w7WGTGpR/zV0sJF4iLA=; b=Inmjv7AE7OgRB5oBXDD6eGE39F0ExaXNIP83rOJOUM6R9Y5P2DuY4b+xHIx/mmHjIa 7gE6JPT49n+mj5V1TTj3jzZnwNgrhMZnDvaa4XyyALnQD+pm7Wo2LvTnIw2NsG9MkL5w E/qc4ugBxRsqyCwUG02HqSsd5XxXzuw69pFcRDMMLrIOkdzCOR1SbmBMCiNEJzrlbSv7 Hld8vYvpoekvBSw8r4aU3YJcHPsXgxSojd5kcN9s5jxQ5wa33n8SO94UrGY9HC0tAWjU FZE4IF7hE805HVzOZyYJ2118VG2vphjfZz1ZQeVwVKaPgBxiIxvSZ5+BBbx/ImEODO4g MBVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702119297; x=1702724097; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=lh2d4eIQQpeZhqaTpIu7fiK0w7WGTGpR/zV0sJF4iLA=; b=XakYoNib2EtzZNZFlC0W1zOsJo9wTProzwJmvbaBqx8fASkH/UtnwK417/pBQ3FTbc GuJrO2rxZgERmZGEFli1hf4AnQMne2q8PMBi9noItxsGvDDCFYTXZHQbcq2654scr0k8 ckew2qQ/WmR5txIBlCghQnZEKkNOERAVGdTn/FuKqHyCeND2f75J41994Q22xe38gy4T qzYwmnTx7mDcmU34GP/kFgscAMmixPlcnl7+UEsjGIwku+0dTOL/MmSoKeBbSGn2rVx1 tALQOBG8AeLKtJ/BYnlJuKDoGdmQNtX1wH1AJaQVquxty7+AtHA5ERJ/NI3t27XKitEF YUvA== X-Gm-Message-State: AOJu0YynM1me+5dQcfWrO1tk6q+X4PkP9JVXJVqxC10TGLiocGLxqF2J A1ojZGL+Pb6gP0AgkbbDAwo= X-Google-Smtp-Source: AGHT+IEJwcZQCoa9FXfx3Kann2ldxbN3Zhs2QlzLomT5wp7oOXzIx2TN5X3LHs9oFR7tqR36BvGnXg== X-Received: by 2002:a05:6e02:144e:b0:35d:a484:3d3 with SMTP id p14-20020a056e02144e00b0035da48403d3mr2428594ilo.81.1702119297312; Sat, 09 Dec 2023 02:54:57 -0800 (PST) Received: from dawn-virtual-machine.localdomain ([183.198.111.112]) by smtp.gmail.com with ESMTPSA id g192-20020a636bc9000000b0058901200bbbsm3012424pgc.40.2023.12.09.02.54.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 09 Dec 2023 02:54:56 -0800 (PST) From: Li peiyu <579lpy@gmail.com> To: jic23@kernel.org Cc: javier.carrasco.cruz@gmail.com, lars@metafoo.de, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v5 1/4] iio: core: introduce trough info element for minimum values Date: Sat, 9 Dec 2023 18:54:47 +0800 Message-Id: <20231209105447.3695-1-579lpy@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231209105217.3630-1-579lpy@gmail.com> References: <20231209105217.3630-1-579lpy@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Javier Carrasco The IIO_CHAN_INFO_PEAK info element is used for maximum values and currently there is no equivalent for minimum values. Instead of overloading the existing peak info element, a new info element can be added. In principle there is no need to add a _TROUGH_SCALE element as the scale will be the same as the one required for INFO_PEAK, which in turn is sometimes omitted if a single scale for peaks and raw values is required. Add an IIO_CHAN_INFO_TROUGH info element for minimum values. Signed-off-by: Javier Carrasco --- drivers/iio/industrialio-core.c | 1 + include/linux/iio/types.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index f6a123d397db..9a85752124dd 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -184,6 +184,7 @@ static const char * const iio_chan_info_postfix[] = { [IIO_CHAN_INFO_THERMOCOUPLE_TYPE] = "thermocouple_type", [IIO_CHAN_INFO_CALIBAMBIENT] = "calibambient", [IIO_CHAN_INFO_ZEROPOINT] = "zeropoint", + [IIO_CHAN_INFO_TROUGH] = "trough_raw", }; /** * iio_device_id() - query the unique ID for the device diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index 117bde7d6ad7..d89982c98368 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -68,6 +68,7 @@ enum iio_chan_info_enum { IIO_CHAN_INFO_THERMOCOUPLE_TYPE, IIO_CHAN_INFO_CALIBAMBIENT, IIO_CHAN_INFO_ZEROPOINT, + IIO_CHAN_INFO_TROUGH, }; #endif /* _IIO_TYPES_H_ */ -- 2.34.1