diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2023-09-03 12:55:45 +0100 |
|---|---|---|
| committer | Jonathan Cameron <jonathan.cameron@huawei.com> | 2023-09-12 10:42:04 +0100 |
| commit | 002d546fff4f83648903eada2b6226d314374fdb (patch) | |
| tree | 0d4c24ca969e9d629b00af837cdb235907580f6d | |
| parent | dcc3ac1381eff05e4ab546a42798dd6837b295a7 (diff) | |
iio: dac: mcp4725: Replace variable 'id' from struct mcp4725_data
Replace the variable 'id' from struct mcp4725_data with local variable
chip_id in probe() as the id variable is not used elsewhere in the
driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20230903115548.59306-2-biju.das.jz@bp.renesas.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | drivers/iio/dac/mcp4725.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c index f4a3124d29f2..33a61f65bc25 100644 --- a/drivers/iio/dac/mcp4725.c +++ b/drivers/iio/dac/mcp4725.c @@ -32,7 +32,6 @@ struct mcp4725_data { struct i2c_client *client; - int id; unsigned ref_mode; bool vref_buffered; u16 dac_value; @@ -387,6 +386,7 @@ static int mcp4725_probe(struct i2c_client *client) struct mcp4725_data *data; struct iio_dev *indio_dev; struct mcp4725_platform_data *pdata, pdata_dt; + int chip_id; u8 inbuf[4]; u8 pd; u8 ref; @@ -399,9 +399,9 @@ static int mcp4725_probe(struct i2c_client *client) i2c_set_clientdata(client, indio_dev); data->client = client; if (dev_fwnode(&client->dev)) - data->id = (uintptr_t)device_get_match_data(&client->dev); + chip_id = (uintptr_t)device_get_match_data(&client->dev); else - data->id = id->driver_data; + chip_id = id->driver_data; pdata = dev_get_platdata(&client->dev); if (!pdata) { @@ -414,7 +414,7 @@ static int mcp4725_probe(struct i2c_client *client) pdata = &pdata_dt; } - if (data->id == MCP4725 && pdata->use_vref) { + if (chip_id == MCP4725 && pdata->use_vref) { dev_err(&client->dev, "external reference is unavailable on MCP4725"); return -EINVAL; @@ -455,12 +455,12 @@ static int mcp4725_probe(struct i2c_client *client) indio_dev->name = id->name; indio_dev->info = &mcp4725_info; - indio_dev->channels = &mcp472x_channel[id->driver_data]; + indio_dev->channels = &mcp472x_channel[chip_id]; indio_dev->num_channels = 1; indio_dev->modes = INDIO_DIRECT_MODE; /* read current DAC value and settings */ - err = i2c_master_recv(client, inbuf, data->id == MCP4725 ? 3 : 4); + err = i2c_master_recv(client, inbuf, chip_id == MCP4725 ? 3 : 4); if (err < 0) { dev_err(&client->dev, "failed to read DAC value"); @@ -470,10 +470,10 @@ static int mcp4725_probe(struct i2c_client *client) data->powerdown = pd > 0; data->powerdown_mode = pd ? pd - 1 : 2; /* largest resistor to gnd */ data->dac_value = (inbuf[1] << 4) | (inbuf[2] >> 4); - if (data->id == MCP4726) + if (chip_id == MCP4726) ref = (inbuf[3] >> 3) & 0x3; - if (data->id == MCP4726 && ref != data->ref_mode) { + if (chip_id == MCP4726 && ref != data->ref_mode) { dev_info(&client->dev, "voltage reference mode differs (conf: %u, eeprom: %u), setting %u", data->ref_mode, ref, data->ref_mode); |