From e68b1db1b573ddb5b9d793df01ddd9aaa3d120c3 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Fri, 2 Sep 2011 17:25:45 +0100 Subject: [PATCH] staging:iio:adc:ad7192: add temp_scale attribute, change module description Use KBUILD_MODNAME Fix indention style Signed-off-by: Michael Hennerich Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/staging/iio/adc/ad7291.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c index e08619b3d366..4697ebbfd08d 100644 --- a/drivers/staging/iio/adc/ad7291.c +++ b/drivers/staging/iio/adc/ad7291.c @@ -102,7 +102,7 @@ struct ad7291_chip_info { u16 int_vref_mv; u16 command; u16 c_mask; /* Active voltage channels for events */ - struct mutex state_lock; + struct mutex state_lock; }; static int ad7291_i2c_read(struct ad7291_chip_info *chip, u8 reg, u16 *data) @@ -510,6 +510,13 @@ static int ad7291_read_raw(struct iio_dev *indio_dev, *val = scale_uv / 1000; *val2 = (scale_uv % 1000) * 1000; return IIO_VAL_INT_PLUS_MICRO; + case (1 << IIO_CHAN_INFO_SCALE_SEPARATE): + /* + * One LSB of the ADC corresponds to 0.25 deg C. + * The temperature reading is in 12-bit twos complement format + */ + *val = 250; + return IIO_VAL_INT; default: return -EINVAL; } @@ -536,7 +543,8 @@ static const struct iio_chan_spec ad7291_channels[] = { AD7291_VOLTAGE_CHAN(7), { .type = IIO_TEMP, - .info_mask = (1 << IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE), + .info_mask = (1 << IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE) | + (1 << IIO_CHAN_INFO_SCALE_SEPARATE), .indexed = 1, .channel = 0, .event_mask = @@ -680,7 +688,7 @@ MODULE_DEVICE_TABLE(i2c, ad7291_id); static struct i2c_driver ad7291_driver = { .driver = { - .name = "ad7291", + .name = KBUILD_MODNAME, }, .probe = ad7291_probe, .remove = __devexit_p(ad7291_remove), @@ -698,8 +706,7 @@ static __exit void ad7291_exit(void) } MODULE_AUTHOR("Sonic Zhang "); -MODULE_DESCRIPTION("Analog Devices AD7291 digital" - " temperature sensor driver"); +MODULE_DESCRIPTION("Analog Devices AD7291 ADC driver"); MODULE_LICENSE("GPL v2"); module_init(ad7291_init); -- 2.39.5