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Merge tag 'iio-fixes-for-3.19a' of git://git.kernel.org/pub/scm/linux/kernel/git...
[cascardo/linux.git]
/
drivers
/
iio
/
adc
/
ad799x.c
diff --git
a/drivers/iio/adc/ad799x.c
b/drivers/iio/adc/ad799x.c
index
e37412d
..
b99de00
100644
(file)
--- a/
drivers/iio/adc/ad799x.c
+++ b/
drivers/iio/adc/ad799x.c
@@
-143,9
+143,15
@@
static int ad799x_write_config(struct ad799x_state *st, u16 val)
case ad7998:
return i2c_smbus_write_word_swapped(st->client, AD7998_CONF_REG,
val);
case ad7998:
return i2c_smbus_write_word_swapped(st->client, AD7998_CONF_REG,
val);
- default:
+ case ad7992:
+ case ad7993:
+ case ad7994:
return i2c_smbus_write_byte_data(st->client, AD7998_CONF_REG,
val);
return i2c_smbus_write_byte_data(st->client, AD7998_CONF_REG,
val);
+ default:
+ /* Will be written when doing a conversion */
+ st->config = val;
+ return 0;
}
}
}
}
@@
-155,8
+161,13
@@
static int ad799x_read_config(struct ad799x_state *st)
case ad7997:
case ad7998:
return i2c_smbus_read_word_swapped(st->client, AD7998_CONF_REG);
case ad7997:
case ad7998:
return i2c_smbus_read_word_swapped(st->client, AD7998_CONF_REG);
- default:
+ case ad7992:
+ case ad7993:
+ case ad7994:
return i2c_smbus_read_byte_data(st->client, AD7998_CONF_REG);
return i2c_smbus_read_byte_data(st->client, AD7998_CONF_REG);
+ default:
+ /* No readback support */
+ return st->config;
}
}
}
}