iio:accel: device settings are set immediately during probe
authorDenis Ciocca <denis.ciocca@st.com>
Thu, 18 Jul 2019 22:53:48 +0000 (15:53 -0700)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sat, 27 Jul 2019 21:52:05 +0000 (22:52 +0100)
This patch set accel settings right after probe start. This is
done in preparation of regmap that needs different configuration
based on multiread bit value.

Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/accel/st_accel_i2c.c
drivers/iio/accel/st_accel_spi.c

index c3c8f2e73c2a39af7eff2f7b27c9b069ddaf3b00..a92cf776031e891e59082b49f40b3a638bec8fd6 100644 (file)
@@ -150,20 +150,29 @@ MODULE_DEVICE_TABLE(i2c, st_accel_id_table);
 
 static int st_accel_i2c_probe(struct i2c_client *client)
 {
-       struct iio_dev *indio_dev;
+       const struct st_sensor_settings *settings;
        struct st_sensor_data *adata;
+       struct iio_dev *indio_dev;
        const char *match;
        int ret;
 
+       match = device_get_match_data(&client->dev);
+       if (match)
+               strlcpy(client->name, match, sizeof(client->name));
+
+       settings = st_accel_get_settings(client->name);
+       if (!settings) {
+               dev_err(&client->dev, "device name %s not recognized.\n",
+                       client->name);
+               return -ENODEV;
+       }
+
        indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*adata));
        if (!indio_dev)
                return -ENOMEM;
 
        adata = iio_priv(indio_dev);
-
-       match = device_get_match_data(&client->dev);
-       if (match)
-               strlcpy(client->name, match, sizeof(client->name));
+       adata->sensor_settings = (struct st_sensor_settings *)settings;
 
        st_sensors_i2c_configure(indio_dev, client, adata);
 
index 474742e35d9226271a397cf47cd632d6a9f4671b..c0556db9d60a1fbf493de9f762aae0f7085f7dad 100644 (file)
@@ -102,18 +102,28 @@ MODULE_DEVICE_TABLE(of, st_accel_of_match);
 
 static int st_accel_spi_probe(struct spi_device *spi)
 {
-       struct iio_dev *indio_dev;
+       const struct st_sensor_settings *settings;
        struct st_sensor_data *adata;
+       struct iio_dev *indio_dev;
        int err;
 
+       st_sensors_of_name_probe(&spi->dev, st_accel_of_match,
+                                spi->modalias, sizeof(spi->modalias));
+
+       settings = st_accel_get_settings(spi->modalias);
+       if (!settings) {
+               dev_err(&spi->dev, "device name %s not recognized.\n",
+                       spi->modalias);
+               return -ENODEV;
+       }
+
        indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adata));
        if (!indio_dev)
                return -ENOMEM;
 
        adata = iio_priv(indio_dev);
+       adata->sensor_settings = (struct st_sensor_settings *)settings;
 
-       st_sensors_of_name_probe(&spi->dev, st_accel_of_match,
-                                spi->modalias, sizeof(spi->modalias));
        st_sensors_spi_configure(indio_dev, spi, adata);
 
        err = st_accel_common_probe(indio_dev);