diff options
| author | Emil Bartczak <emilbart@gmail.com> | 2016-12-25 23:07:42 +0100 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2017-01-11 17:23:04 +0100 |
| commit | 72877b51d0c5abf21646723f8347c5acf8fb8a45 (patch) | |
| tree | 9ca61c6f5a66b6fc97c29d79846daed64cbccfa1 /drivers/rtc | |
| parent | 844a3073c9896dd252810e388c2fd881efb22d66 (diff) | |
| download | linux-72877b51d0c5abf21646723f8347c5acf8fb8a45.tar.bz2 | |
rtc: mcp795: Add support for weekday.
This patch adds support for saving/loading weekday value from the chip.
Signed-off-by: Emil Bartczak <emilbart@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-mcp795.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-mcp795.c b/drivers/rtc/rtc-mcp795.c index ce75e421ba00..8107fc0a2be5 100644 --- a/drivers/rtc/rtc-mcp795.c +++ b/drivers/rtc/rtc-mcp795.c @@ -170,6 +170,7 @@ static int mcp795_set_time(struct device *dev, struct rtc_time *tim) data[0] = (data[0] & 0x80) | bin2bcd(tim->tm_sec); data[1] = (data[1] & 0x80) | bin2bcd(tim->tm_min); data[2] = bin2bcd(tim->tm_hour); + data[3] = (data[3] & 0xF8) | bin2bcd(tim->tm_wday + 1); data[4] = bin2bcd(tim->tm_mday); data[5] = (data[5] & MCP795_LP_BIT) | bin2bcd(tim->tm_mon + 1); @@ -198,9 +199,9 @@ static int mcp795_set_time(struct device *dev, struct rtc_time *tim) if (ret) return ret; - dev_dbg(dev, "Set mcp795: %04d-%02d-%02d %02d:%02d:%02d\n", + dev_dbg(dev, "Set mcp795: %04d-%02d-%02d(%d) %02d:%02d:%02d\n", tim->tm_year + 1900, tim->tm_mon, tim->tm_mday, - tim->tm_hour, tim->tm_min, tim->tm_sec); + tim->tm_wday, tim->tm_hour, tim->tm_min, tim->tm_sec); return 0; } @@ -218,13 +219,14 @@ static int mcp795_read_time(struct device *dev, struct rtc_time *tim) tim->tm_sec = bcd2bin(data[0] & 0x7F); tim->tm_min = bcd2bin(data[1] & 0x7F); tim->tm_hour = bcd2bin(data[2] & 0x3F); + tim->tm_wday = bcd2bin(data[3] & 0x07) - 1; tim->tm_mday = bcd2bin(data[4] & 0x3F); tim->tm_mon = bcd2bin(data[5] & 0x1F) - 1; tim->tm_year = bcd2bin(data[6]) + 100; /* Assume we are in 20xx */ - dev_dbg(dev, "Read from mcp795: %04d-%02d-%02d %02d:%02d:%02d\n", - tim->tm_year + 1900, tim->tm_mon, tim->tm_mday, - tim->tm_hour, tim->tm_min, tim->tm_sec); + dev_dbg(dev, "Read from mcp795: %04d-%02d-%02d(%d) %02d:%02d:%02d\n", + tim->tm_year + 1900, tim->tm_mon, tim->tm_mday, + tim->tm_wday, tim->tm_hour, tim->tm_min, tim->tm_sec); return rtc_valid_tm(tim); } |