diff options
Diffstat (limited to 'drivers/rtc/rtc-rx8025.c')
| -rw-r--r-- | drivers/rtc/rtc-rx8025.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c index d38aaf08108c..dc9221393080 100644 --- a/drivers/rtc/rtc-rx8025.c +++ b/drivers/rtc/rtc-rx8025.c @@ -55,6 +55,8 @@ #define RX8025_BIT_CTRL2_XST BIT(5) #define RX8025_BIT_CTRL2_VDET BIT(6) +#define RX8035_BIT_HOUR_1224 BIT(7) + /* Clock precision adjustment */ #define RX8025_ADJ_RESOLUTION 3050 /* in ppb */ #define RX8025_ADJ_DATA_MAX 62 @@ -78,6 +80,7 @@ struct rx8025_data { struct rtc_device *rtc; enum rx_model model; u8 ctrl1; + int is_24; }; static s32 rx8025_read_reg(const struct i2c_client *client, u8 number) @@ -226,7 +229,7 @@ static int rx8025_get_time(struct device *dev, struct rtc_time *dt) dt->tm_sec = bcd2bin(date[RX8025_REG_SEC] & 0x7f); dt->tm_min = bcd2bin(date[RX8025_REG_MIN] & 0x7f); - if (rx8025->ctrl1 & RX8025_BIT_CTRL1_1224) + if (rx8025->is_24) dt->tm_hour = bcd2bin(date[RX8025_REG_HOUR] & 0x3f); else dt->tm_hour = bcd2bin(date[RX8025_REG_HOUR] & 0x1f) % 12 @@ -257,7 +260,7 @@ static int rx8025_set_time(struct device *dev, struct rtc_time *dt) */ date[RX8025_REG_SEC] = bin2bcd(dt->tm_sec); date[RX8025_REG_MIN] = bin2bcd(dt->tm_min); - if (rx8025->ctrl1 & RX8025_BIT_CTRL1_1224) + if (rx8025->is_24) date[RX8025_REG_HOUR] = bin2bcd(dt->tm_hour); else date[RX8025_REG_HOUR] = (dt->tm_hour >= 12 ? 0x20 : 0) @@ -282,6 +285,7 @@ static int rx8025_init_client(struct i2c_client *client) struct rx8025_data *rx8025 = i2c_get_clientdata(client); u8 ctrl[2], ctrl2; int need_clear = 0; + int hour_reg; int err; err = rx8025_read_regs(client, RX8025_REG_CTRL1, 2, ctrl); @@ -306,6 +310,16 @@ static int rx8025_init_client(struct i2c_client *client) err = rx8025_write_reg(client, RX8025_REG_CTRL2, ctrl2); } + + if (rx8025->model == model_rx_8035) { + /* In RX-8035, 12/24 flag is in the hour register */ + hour_reg = rx8025_read_reg(client, RX8025_REG_HOUR); + if (hour_reg < 0) + return hour_reg; + rx8025->is_24 = (hour_reg & RX8035_BIT_HOUR_1224); + } else { + rx8025->is_24 = (ctrl[1] & RX8025_BIT_CTRL1_1224); + } out: return err; } @@ -335,7 +349,7 @@ static int rx8025_read_alarm(struct device *dev, struct rtc_wkalrm *t) /* Hardware alarms precision is 1 minute! */ t->time.tm_sec = 0; t->time.tm_min = bcd2bin(ald[0] & 0x7f); - if (rx8025->ctrl1 & RX8025_BIT_CTRL1_1224) + if (rx8025->is_24) t->time.tm_hour = bcd2bin(ald[1] & 0x3f); else t->time.tm_hour = bcd2bin(ald[1] & 0x1f) % 12 @@ -370,7 +384,7 @@ static int rx8025_set_alarm(struct device *dev, struct rtc_wkalrm *t) } ald[0] = bin2bcd(t->time.tm_min); - if (rx8025->ctrl1 & RX8025_BIT_CTRL1_1224) + if (rx8025->is_24) ald[1] = bin2bcd(t->time.tm_hour); else ald[1] = (t->time.tm_hour >= 12 ? 0x20 : 0) |