rtc: pcf2127: report battery switch over (7d65cf8c) · Commits · 戴 / test

drivers/rtc/rtc-pcf2127.c

+12 −4

Original line number	Diff line number	Diff line
		@@ -188,18 +188,27 @@ static int pcf2127_rtc_ioctl(struct device *dev,
		unsigned int cmd, unsigned long arg)
		{
		struct pcf2127 *pcf2127 = dev_get_drvdata(dev);
		int touser;
		int val, touser = 0;
		int ret;

		switch (cmd) {
		case RTC_VL_READ:
		ret = regmap_read(pcf2127->regmap, PCF2127_REG_CTRL3, &touser);
		ret = regmap_read(pcf2127->regmap, PCF2127_REG_CTRL3, &val);
		if (ret)
		return ret;

		touser = touser & PCF2127_BIT_CTRL3_BLF ? RTC_VL_BACKUP_LOW : 0;
		if (val & PCF2127_BIT_CTRL3_BLF)
		touser \|= RTC_VL_BACKUP_LOW;

		if (val & PCF2127_BIT_CTRL3_BF)
		touser \|= RTC_VL_BACKUP_SWITCH;

		return put_user(touser, (unsigned int __user *)arg);

		case RTC_VL_CLR:
		return regmap_update_bits(pcf2127->regmap, PCF2127_REG_CTRL3,
		PCF2127_BIT_CTRL3_BF, 0);

		default:
		return -ENOIOCTLCMD;
		}
		@@ -493,7 +502,6 @@ static int pcf2127_probe(struct device dev, struct regmap regmap,
		*/
		ret = regmap_update_bits(pcf2127->regmap, PCF2127_REG_CTRL3,
		PCF2127_BIT_CTRL3_BTSE \|
		PCF2127_BIT_CTRL3_BF \|
		PCF2127_BIT_CTRL3_BIE \|
		PCF2127_BIT_CTRL3_BLIE, 0);
		if (ret) {