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rtc: hym8563: set init time

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remove the buf[0] & HYM8563_SEC_VL, it's unsuitable for some hym8563.
set rtc init time for first power on.

Change-Id: Iaa207d554d9df9ad8f138fc2f196c8a7a991b141
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
This commit is contained in:
Elaine Zhang
2020-09-15 17:02:40 +08:00
committed by Tao Huang
parent 9ec5db66aa
commit 815c9a084e
1 changed files with 18 additions and 6 deletions
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24
drivers/rtc/rtc-hym8563.c
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@@ -97,12 +97,6 @@ static int hym8563_rtc_read_time(struct device *dev, struct rtc_time *tm)
if (ret < 0)
return ret;
if (buf[0] & HYM8563_SEC_VL) {
dev_warn(&client->dev,
"no valid clock/calendar values available\n");
return -EINVAL;
}
tm->tm_sec = bcd2bin(buf[0] & HYM8563_SEC_MASK);
tm->tm_min = bcd2bin(buf[1] & HYM8563_MIN_MASK);
tm->tm_hour = bcd2bin(buf[2] & HYM8563_HOUR_MASK);
@@ -519,6 +513,19 @@ static int hym8563_probe(struct i2c_client *client,
{
struct hym8563 *hym8563;
int ret;
/*
* hym8563 initial time(2020_1_1_12:00:00),
* avoid hym8563 read time error
*/
struct rtc_time tm_read, tm = {
.tm_wday = 0,
.tm_year = 120,
.tm_mon = 0,
.tm_mday = 1,
.tm_hour = 12,
.tm_min = 0,
.tm_sec = 0,
};
hym8563 = devm_kzalloc(&client->dev, sizeof(*hym8563), GFP_KERNEL);
if (!hym8563)
@@ -555,6 +562,11 @@ static int hym8563_probe(struct i2c_client *client,
dev_dbg(&client->dev, "rtc information is %s\n",
(ret & HYM8563_SEC_VL) ? "invalid" : "valid");
hym8563_rtc_read_time(&client->dev, &tm_read);
if (((tm_read.tm_year < 70) | (tm_read.tm_year > 200)) |
(tm_read.tm_mon == -1) | (rtc_valid_tm(&tm_read) != 0))
hym8563_rtc_set_time(&client->dev, &tm);
hym8563->rtc = devm_rtc_device_register(&client->dev, client->name,
&hym8563_rtc_ops, THIS_MODULE);
if (IS_ERR(hym8563->rtc))