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[Qemu-devel] [PATCH] Fix conversion between 12 hours and 24 hours modes.
From: |
Antoine Mathys |
Subject: |
[Qemu-devel] [PATCH] Fix conversion between 12 hours and 24 hours modes. |
Date: |
Fri, 14 Dec 2012 23:53:27 +0100 |
The proper mapping between 24 hours and 12 hours modes is:
0 12 AM
1-11 1-11 AM
12 12 PM
13-23 1-11 PM
Fix code accordingly.
Signed-off-by: Antoine Mathys <address@hidden>
---
hw/ds1338.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/hw/ds1338.c b/hw/ds1338.c
index 1aefa3b..9e6b490 100644
--- a/hw/ds1338.c
+++ b/hw/ds1338.c
@@ -59,8 +59,8 @@ static void capture_current_time(DS1338State *s)
s->nvram[1] = to_bcd(now.tm_min);
if (s->nvram[2] & HOURS_12) {
int tmp = now.tm_hour;
- if (tmp == 0) {
- tmp = 24;
+ if (tmp % 12 == 0) {
+ tmp += 12;
}
if (tmp <= 12) {
s->nvram[2] = HOURS_12 | to_bcd(tmp);
@@ -145,8 +145,8 @@ static int ds1338_send(I2CSlave *i2c, uint8_t data)
if (data & HOURS_PM) {
tmp += 12;
}
- if (tmp == 24) {
- tmp = 0;
+ if (tmp % 12 == 0) {
+ tmp -= 12;
}
now.tm_hour = tmp;
} else {
--
1.7.10.4
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