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Tue, 7 Sep 2021 13:43:10 +0000 Date: Tue, 7 Sep 2021 15:43:05 +0200 From: Krzysztof Adamski To: Guenter Roeck , Jean Delvare Cc: Rob Herring , linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 3/8] hwmon: (tmp421) introduce a channel struct Message-ID: <36491db30779131ec67ddd06f3c2bf457a37a16d.1631021349.git.krzysztof.adamski@nokia.com> References: Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: HE1P18901CA0005.EURP189.PROD.OUTLOOK.COM (2603:10a6:3:8b::15) To DU2PR07MB8110.eurprd07.prod.outlook.com (2603:10a6:10:239::15) MIME-Version: 1.0 Received: from localhost.localdomain (131.228.2.20) by HE1P18901CA0005.EURP189.PROD.OUTLOOK.COM (2603:10a6:3:8b::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4478.19 via Frontend Transport; Tue, 7 Sep 2021 13:43:09 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 3eb802cc-780d-44d0-9dce-08d972056e42 X-MS-TrafficTypeDiagnostic: DU2PR07MB8269: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3631; 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Upcoming patches will introduce more per-channel parameters so it's worth organizing them into a struct. Signed-off-by: Krzysztof Adamski --- drivers/hwmon/tmp421.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c index 2c9ba5fe5f2a..1068fe59df0b 100644 --- a/drivers/hwmon/tmp421.c +++ b/drivers/hwmon/tmp421.c @@ -87,6 +87,10 @@ static const struct of_device_id __maybe_unused tmp421_of_match[] = { }; MODULE_DEVICE_TABLE(of, tmp421_of_match); +struct tmp421_channel { + s16 temp; +}; + struct tmp421_data { struct i2c_client *client; struct mutex update_lock; @@ -98,7 +102,7 @@ struct tmp421_data { unsigned long last_updated; unsigned long channels; u8 config; - s16 temp[MAX_CHANNELS]; + struct tmp421_channel channel[MAX_CHANNELS]; }; static int temp_from_s16(s16 reg) @@ -134,9 +138,9 @@ static struct tmp421_data *tmp421_update_device(struct device *dev) TMP421_CONFIG_REG_1); for (i = 0; i < data->channels; i++) { - data->temp[i] = i2c_smbus_read_byte_data(client, + data->channel[i].temp = i2c_smbus_read_byte_data(client, TMP421_TEMP_MSB[i]) << 8; - data->temp[i] |= i2c_smbus_read_byte_data(client, + data->channel[i].temp |= i2c_smbus_read_byte_data(client, TMP421_TEMP_LSB[i]); } data->last_updated = jiffies; @@ -156,16 +160,16 @@ static int tmp421_read(struct device *dev, enum hwmon_sensor_types type, switch (attr) { case hwmon_temp_input: if (tmp421->config & TMP421_CONFIG_RANGE) - *val = temp_from_u16(tmp421->temp[channel]); + *val = temp_from_u16(tmp421->channel[channel].temp); else - *val = temp_from_s16(tmp421->temp[channel]); + *val = temp_from_s16(tmp421->channel[channel].temp); return 0; case hwmon_temp_fault: /* * The OPEN bit signals a fault. This is bit 0 of the temperature * register (low byte). */ - *val = tmp421->temp[channel] & 0x01; + *val = tmp421->channel[channel].temp & 0x01; return 0; default: return -EOPNOTSUPP; -- 2.31.1