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

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

drivers/rtc/rtc-mcp795.c

+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;