Re: [meta-freescale] Charger / Battery detection
Fabio Estevam <[email protected]> Sun, 20 Nov 2022 10:44:22 -0300
| Newsgroups | org.yoctoproject.lists.meta-freescale |
|---|---|
| Message-ID | <CAOMZO5C890ZyfSKarKNQ6gZ0kc_FMf0+T5HoH29t7Xp5QCxqhg@mail.gmail.com> |
Hi Andy, On Sun, Nov 20, 2022 at 10:36 AM Andy Pont <[email protected]> wrote: > > Hello, > > Is there standard functionality to build into an image for an i.MX8 that > will allow me to detect, at application level, whether the device is > running on charger, battery, and what the battery level is? Does it > depend on what is used as the PMIC and charging device? Yes, you need a charger device driver. Take a look at drivers/power/supply/ for some examples. The charger devices can expose to userspace information as you describe above. You can check details at: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/Documentation/ABI/testing/sysfs-class-power?h=v6.0.9 BTW, this is off-topic on this list.