[171/272] iio: Fixpoint formatted output bugfix

From: Greg KH
Date: Tue Feb 15 2011 - 19:45:09 EST


2.6.37-stable review patch. If anyone has any objections, please let us know.

------------------

From: Roland Stigge <rst@xxxxxxxxxxxxxxxxx>

commit e71a7fd259943a2c2e11484880c80248ad139fe5 upstream.

Fix some ADC drivers' _scale interface to correct fixpoint formatted output

Signed-off-by: Roland Stigge <stigge@xxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxx>
Acked-by: Michael Hennerich <Michael.Hennerich@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
drivers/staging/iio/adc/ad7476_core.c | 2 +-
drivers/staging/iio/adc/ad799x_core.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/staging/iio/adc/ad7476_core.c
+++ b/drivers/staging/iio/adc/ad7476_core.c
@@ -68,7 +68,7 @@ static ssize_t ad7476_show_scale(struct
/* Corresponds to Vref / 2^(bits) */
unsigned int scale_uv = (st->int_vref_mv * 1000) >> st->chip_info->bits;

- return sprintf(buf, "%d.%d\n", scale_uv / 1000, scale_uv % 1000);
+ return sprintf(buf, "%d.%03d\n", scale_uv / 1000, scale_uv % 1000);
}
static IIO_DEVICE_ATTR(in_scale, S_IRUGO, ad7476_show_scale, NULL, 0);

--- a/drivers/staging/iio/adc/ad799x_core.c
+++ b/drivers/staging/iio/adc/ad799x_core.c
@@ -432,7 +432,7 @@ static ssize_t ad799x_show_scale(struct
/* Corresponds to Vref / 2^(bits) */
unsigned int scale_uv = (st->int_vref_mv * 1000) >> st->chip_info->bits;

- return sprintf(buf, "%d.%d\n", scale_uv / 1000, scale_uv % 1000);
+ return sprintf(buf, "%d.%03d\n", scale_uv / 1000, scale_uv % 1000);
}

static IIO_DEVICE_ATTR(in_scale, S_IRUGO, ad799x_show_scale, NULL, 0);


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