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Commit e72765c6 authored by Emil Bartczak's avatar Emil Bartczak Committed by Alexandre Belloni
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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
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+2 −1
Original line number Diff line number Diff line
@@ -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;