Re: [PATCH] iio: light: cm32181: Add PM support

From: Andy Shevchenko
Date: Tue Jul 05 2022 - 15:12:57 EST


On Tue, Jul 5, 2022 at 2:31 PM Kai-Heng Feng
<kai.heng.feng@xxxxxxxxxxxxx> wrote:
>
> The read on in_illuminance_input keeps at 0 after system sleep.
>
> So add proper suspend and resume callback to make the sensor keep
> working after system sleep.

...

> +static int cm32181_resume(struct device *dev)
> +{
> + struct i2c_client *client = to_i2c_client(dev);
> + struct cm32181_chip *cm32181 = iio_priv(i2c_get_clientdata(client));

Simply device_get_drvdata(dev) ?

> + return i2c_smbus_write_word_data(client, CM32181_REG_ADDR_CMD,
> + cm32181->conf_regs[CM32181_REG_ADDR_CMD]);
> +}

--
With Best Regards,
Andy Shevchenko