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[98.183.112.25]) by smtp.gmail.com with ESMTPSA id 5614622812f47-3f19da7a23dsm1433375b6e.20.2025.01.18.09.25.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 18 Jan 2025 09:25:19 -0800 (PST) Message-ID: <658b7ff2-7019-4a7e-bd0a-58467032978a@baylibre.com> Date: Sat, 18 Jan 2025 11:25:17 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC v3 2/2] iio: adc: ad7173: add openwire detection support for single conversions To: Guillaume Ranquet , Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250116-ad4111_openwire-v3-0-ea9ebf29bd1d@baylibre.com> <20250116-ad4111_openwire-v3-2-ea9ebf29bd1d@baylibre.com> From: David Lechner Content-Language: en-US In-Reply-To: <20250116-ad4111_openwire-v3-2-ea9ebf29bd1d@baylibre.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 1/16/25 9:01 AM, Guillaume Ranquet wrote: > Some chips of the ad7173 family supports open wire detection. > > Generate a level fault event whenever an external source is disconnected > from the system input on single conversions. > > Signed-off-by: Guillaume Ranquet > --- ... > @@ -1375,6 +1523,7 @@ static int ad7173_fw_parse_channel_config(struct iio_dev *indio_dev) > chan_st_priv->cfg.bipolar = false; > chan_st_priv->cfg.input_buf = st->info->has_input_buf; > chan_st_priv->cfg.ref_sel = AD7173_SETUP_REF_SEL_INT_REF; > + chan_st_priv->cfg.openwire_comp_chan = -1; ^ > st->adc_mode |= AD7173_ADC_MODE_REF_EN; > if (st->info->data_reg_only_16bit) > chan_arr[chan_index].scan_type = ad4113_scan_type; > @@ -1442,6 +1591,7 @@ static int ad7173_fw_parse_channel_config(struct iio_dev *indio_dev) > chan_st_priv->chan_reg = chan_index; > chan_st_priv->cfg.input_buf = st->info->has_input_buf; > chan_st_priv->cfg.odr = 0; > + chan_st_priv->cfg.openwire_comp_chan = -1; ^ Looks like the same line added twice in the same function. > > chan_st_priv->cfg.bipolar = fwnode_property_read_bool(child, "bipolar"); > if (chan_st_priv->cfg.bipolar)