Set RTC_VL_BACKUP_SWITCH when reading the batter voltage level to indicate switch to battery backup. Signed-off-by: Baruch Siach <baruch@xxxxxxxxxx> --- drivers/rtc/rtc-pcf8523.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c index c93acade7205..d0eb53265549 100644 --- a/drivers/rtc/rtc-pcf8523.c +++ b/drivers/rtc/rtc-pcf8523.c @@ -330,6 +330,9 @@ static int pcf8523_rtc_ioctl(struct device *dev, unsigned int cmd, if (value & PCF8523_CONTROL3_BLF) flags |= RTC_VL_BACKUP_LOW; + if (value & PCF8523_CONTROL3_BSF) + flags |= RTC_VL_BACKUP_SWITCH; + ret = regmap_read(pcf8523->regmap, PCF8523_REG_SECONDS, &value); if (ret < 0) return ret; @@ -339,6 +342,10 @@ static int pcf8523_rtc_ioctl(struct device *dev, unsigned int cmd, return put_user(flags, (unsigned int __user *)arg); + case RTC_VL_CLR: + return regmap_update_bits(pcf8523->regmap, + PCF8523_REG_CONTROL3, PCF8523_CONTROL3_BSF, 0); + default: return -ENOIOCTLCMD; } -- 2.33.0
