Commit e72765c6 authored by Emil Bartczak's avatar Emil Bartczak Committed by Alexandre Belloni

rtc: mcp795: fix bitmask value for leap year (LP).

According the datasheet the leap year is a fifth bit in month register.
Signed-off-by: default avatarEmil Bartczak <emilbart@gmail.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent bcf18d88
...@@ -40,6 +40,7 @@ ...@@ -40,6 +40,7 @@
#define MCP795_ST_BIT 0x80 #define MCP795_ST_BIT 0x80
#define MCP795_24_BIT 0x40 #define MCP795_24_BIT 0x40
#define MCP795_LP_BIT BIT(5)
static int mcp795_rtcc_read(struct device *dev, u8 addr, u8 *buf, u8 count) static int mcp795_rtcc_read(struct device *dev, u8 addr, u8 *buf, u8 count)
{ {
...@@ -109,7 +110,7 @@ static int mcp795_set_time(struct device *dev, struct rtc_time *tim) ...@@ -109,7 +110,7 @@ static int mcp795_set_time(struct device *dev, struct rtc_time *tim)
data[1] = (data[1] & 0x80) | bin2bcd(tim->tm_min); data[1] = (data[1] & 0x80) | bin2bcd(tim->tm_min);
data[2] = bin2bcd(tim->tm_hour); data[2] = bin2bcd(tim->tm_hour);
data[4] = bin2bcd(tim->tm_mday); data[4] = bin2bcd(tim->tm_mday);
data[5] = (data[5] & 0x10) | bin2bcd(tim->tm_mon); data[5] = (data[5] & MCP795_LP_BIT) | bin2bcd(tim->tm_mon);
if (tim->tm_year > 100) if (tim->tm_year > 100)
tim->tm_year -= 100; tim->tm_year -= 100;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment