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Commit c6988eb0 authored by Karim Eshapa's avatar Karim Eshapa Committed by Jonathan Cameron
Browse files

staging:iio:impedance-analyzer:ad5933: Macro replacement Cleanups. 



Doing some macro replacement to start an array of structures
so it can be reused by manipulating it with different values.

Signed-off-by: default avatarKarim Eshapa <karim.eshapa@gmail.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent a98a5c27

drivers/staging/iio/impedance-analyzer/ad5933.c

+19 −38
Original line number Diff line number Diff line
@@ -116,45 +116,26 @@ static struct ad5933_platform_data ad5933_default_pdata = { 
	.vref_mv = 3300,

};



#define AD5933_CHANNEL(_type, _extend_name, _info_mask_separate, _address, \

		_scan_index, _realbits) { \

	.type = (_type), \

	.extend_name = (_extend_name), \

	.info_mask_separate = (_info_mask_separate), \

	.address = (_address), \

	.scan_index = (_scan_index), \

	.scan_type = { \

		.sign = 's', \

		.realbits = (_realbits), \

		.storagebits = 16, \

	}, \

}



static const struct iio_chan_spec ad5933_channels[] = {

	{

		.type = IIO_TEMP,

		.indexed = 1,

		.channel = 0,

		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |

			BIT(IIO_CHAN_INFO_SCALE),

		.address = AD5933_REG_TEMP_DATA,

		.scan_index = -1,

		.scan_type = {

			.sign = 's',

			.realbits = 14,

			.storagebits = 16,

		},

	}, { /* Ring Channels */

		.type = IIO_VOLTAGE,

		.indexed = 1,

		.channel = 0,

		.extend_name = "real",

		.address = AD5933_REG_REAL_DATA,

		.scan_index = 0,

		.scan_type = {

			.sign = 's',

			.realbits = 16,

			.storagebits = 16,

		},

	}, {

		.type = IIO_VOLTAGE,

		.indexed = 1,

		.channel = 0,

		.extend_name = "imag",

		.address = AD5933_REG_IMAG_DATA,

		.scan_index = 1,

		.scan_type = {

			.sign = 's',

			.realbits = 16,

			.storagebits = 16,

		},

	},

	AD5933_CHANNEL(IIO_TEMP, NULL, BIT(IIO_CHAN_INFO_RAW) |

		BIT(IIO_CHAN_INFO_SCALE), AD5933_REG_TEMP_DATA, -1, 14),

	/* Ring Channels */

	AD5933_CHANNEL(IIO_VOLTAGE, "real", 0, AD5933_REG_REAL_DATA, 0, 16),

	AD5933_CHANNEL(IIO_VOLTAGE, "imag", 0, AD5933_REG_IMAG_DATA, 1, 16),

};



static int ad5933_i2c_write(struct i2c_client *client, u8 reg, u8 len, u8 *data)