Commit 0456b4f8 authored by Simon Arlott's avatar Simon Arlott Committed by David S. Miller

cxacru: Fix negative dB output

Values of dB between -0.99 and -0.01 will be output with the wrong
sign. This converts the negative value to positive and outputs it
with a "-" prefix.
Signed-off-by: default avatarSimon Arlott <simon@fire.lp0.eu>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 15b8e191
......@@ -227,8 +227,14 @@ static ssize_t cxacru_sysfs_showattr_s8(s8 value, char *buf)
static ssize_t cxacru_sysfs_showattr_dB(s16 value, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d.%02u\n",
value / 100, abs(value) % 100);
if (likely(value >= 0)) {
return snprintf(buf, PAGE_SIZE, "%u.%02u\n",
value / 100, value % 100);
} else {
value = -value;
return snprintf(buf, PAGE_SIZE, "-%u.%02u\n",
value / 100, value % 100);
}
}
static ssize_t cxacru_sysfs_showattr_bool(u32 value, char *buf)
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment