From: Roland Stigge <rst@work-microwave.de>
Date: Thu, 13 Jan 2011 17:37:36 +0000 (+0100)
Subject: iio: Fixpoint formatted output bugfix
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e71a7fd259943a2c2e11484880c80248ad139fe5;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

iio: Fixpoint formatted output bugfix

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

Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/iio/adc/ad7476_core.c b/drivers/staging/iio/adc/ad7476_core.c
index deb68c8a6e18..b8b54da67c63 100644
--- 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 device *dev,
 	/* 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);
 
diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c
index 6309d521a864..89ccf375a188 100644
--- 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 device *dev,
 	/* 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);