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

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According the datasheet the leap year is a fifth bit in month register.

Signed-off-by: Emil Bartczak <emilbart@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Emil Bartczak 2016-12-08 00:27:38 +01:00 committed by Alexandre Belloni
parent bcf18d88ac
commit e72765c648
1 changed files with 2 additions and 1 deletions
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3
drivers/rtc/rtc-mcp795.c
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@ -40,6 +40,7 @@
#define MCP795_ST_BIT 0x80
#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)
{
@ -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[2] = bin2bcd(tim->tm_hour);
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)
tim->tm_year -= 100;