linux-kernel - [171/272] iio: Fixpoint formatted output bugfix

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Message-Id: <20110216001442.230723017@clark.kroah.org>
Date:	Tue, 15 Feb 2011 16:13:48 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Roland Stigge <stigge@...com.de>,
	Jonathan Cameron <jic23@....ac.uk>,
	Michael Hennerich <Michael.Hennerich@...log.com>
Subject: [171/272] iio: Fixpoint formatted output bugfix

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

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

From: Roland Stigge <rst@...k-microwave.de>

commit e71a7fd259943a2c2e11484880c80248ad139fe5 upstream.

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

Signed-off-by: Roland Stigge <stigge@...com.de>
Acked-by: Jonathan Cameron <jic23@....ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@...log.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 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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