From: Oleksandr Kravchenko Date: Mon, 22 Jul 2013 11:16:00 +0000 (+0100) Subject: iio: core: Avoid double minus in sysfs output X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d9a0134e7aa048f3de4477d93598974ea8ecae7a;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git iio: core: Avoid double minus in sysfs output This patch fixes the issue with double minus in output when reading channels from sysfs for IIO_VAL_INT_PLUS_MICRO and IIO_VAL_INT_PLUS_NANO cases. Until this patch if val and val2 both are negatives output string contains "--" before digits. It is result of "-%d..." in sprintf() format. Signed-off-by: Oleksandr Kravchenko Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index d56d1229e2d6..97f0297b120f 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -383,14 +383,14 @@ static ssize_t iio_read_channel_info(struct device *dev, scale_db = true; case IIO_VAL_INT_PLUS_MICRO: if (val2 < 0) - return sprintf(buf, "-%d.%06u%s\n", val, -val2, + return sprintf(buf, "-%ld.%06u%s\n", abs(val), -val2, scale_db ? " dB" : ""); else return sprintf(buf, "%d.%06u%s\n", val, val2, scale_db ? " dB" : ""); case IIO_VAL_INT_PLUS_NANO: if (val2 < 0) - return sprintf(buf, "-%d.%09u\n", val, -val2); + return sprintf(buf, "-%ld.%09u\n", abs(val), -val2); else return sprintf(buf, "%d.%09u\n", val, val2); case IIO_VAL_FRACTIONAL: