On Mon, Feb 19, 2018 at 2:40 PM, Enric Balletbo i Serra
<enric.balle...@collabora.com> wrote:
> Check whether this EC instance has RTC host command support and instatiate
> the RTC driver as a subdevice in such case.
>
> Signed-off-by: Enric Balletbo i Serra <enric.balle...@collabora.com>
Reviewed-by: Gwendal Grignou <gwen...@chromium.org>
> ---
> drivers/mfd/cros_ec_dev.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
> index e4fafdd96e5e..e0c604ab380f 100644
> --- a/drivers/mfd/cros_ec_dev.c
> +++ b/drivers/mfd/cros_ec_dev.c
> @@ -389,6 +389,10 @@ static void cros_ec_sensors_register(struct cros_ec_dev
> *ec)
> kfree(msg);
> }
>
> +static const struct mfd_cell cros_ec_rtc_cell = {
> + .name = "cros-ec-rtc",
> +};
> +
> static int ec_device_probe(struct platform_device *pdev)
> {
> int retval = -ENOMEM;
> @@ -437,6 +441,16 @@ static int ec_device_probe(struct platform_device *pdev)
> if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE))
> cros_ec_sensors_register(ec);
>
> + /* check whether this EC instance has RTC host command support */
> + if (cros_ec_check_features(ec, EC_FEATURE_RTC)) {
> + retval = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO,
> + &cros_ec_rtc_cell, 1, NULL, 0, NULL);
> + if (retval)
> + dev_err(ec->dev,
> + "failed to add cros-ec-rtc device: %d\n",
> + retval);
> + }
> +
> /* Take control of the lightbar from the EC. */
> lb_manual_suspend_ctrl(ec, 1);
>
> --
> 2.16.1
>
