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rtc: hym8563: add initialization data

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Change-Id: Iad1c89d24235cb1867e7657d2218cbbbbc2a7c32
Signed-off-by: Huang jianzhi <jesse.huang@rock-chips.com>
This commit is contained in:
Huang jianzhi 2017-11-08 16:20:38 +08:00 • committed by Tao Huang
commit 66af9943e3
1 changed files with 19 additions and 0 deletions
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19
drivers/rtc/rtc-hym8563.c
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@ -532,6 +532,16 @@ static int hym8563_probe(struct i2c_client *client,
{
struct hym8563 *hym8563;
int ret;
/* hym8563 initial time,avoid hym8563 read time error */
struct rtc_time tm_read, tm = {
.tm_wday = 0,
.tm_year = 117,
.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)
@ -564,6 +574,15 @@ static int hym8563_probe(struct i2c_client *client,
ret = i2c_smbus_read_byte_data(client, HYM8563_SEC);
if (ret < 0)
return ret;
if (ret & HYM8563_SEC_VL)
hym8563_rtc_set_time(&client->dev, &tm);
hym8563_rtc_read_time(&client->dev, &tm_read);
if (((tm_read.tm_year < 70) | (tm_read.tm_year > 137)) | (tm_read.tm_mon == -1) | (rtc_valid_tm(&tm_read) != 0)) //if the hym8563 haven't initialized
hym8563_rtc_set_time(&client->dev, &tm); //initialize the hym8563
if (ret & HYM8563_SEC_VL)
ret = i2c_smbus_read_byte_data(client, HYM8563_SEC);
hym8563->valid = !(ret & HYM8563_SEC_VL);
dev_dbg(&client->dev, "rtc information is %s\n",