Re: [PATCH 5/8] rtc: isl12022: implement RTC_VL_READ and RTC_VL_CLR ioctls
From: Andy Shevchenko
Date: Mon Jun 12 2023 - 11:49:01 EST
On Mon, Jun 12, 2023 at 01:30:55PM +0200, Rasmus Villemoes wrote:
> Hook up support for reading the values of the SR_LBAT85 and SR_LBAT75
> bits. Translate the former to "battery low", and the latter to
> "battery empty or not-present".
...
> +static int isl12022_read_sr(struct regmap *regmap)
> +{
> + int ret;
> + u32 val;
> +
> + ret = regmap_read(regmap, ISL12022_REG_SR, &val);
> + if (ret < 0)
> + return ret;
> + return val;
Wondering if the bit 31 is in use with this register (note, I haven't checked
the register width nor datasheet).
> +}
--
With Best Regards,
Andy Shevchenko