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SubjectRe: [PATCH v2 4/5] mfd: cros_ec_dev: Add CEC sub-device registration
2018-05-18 15:05 GMT+02:00 Neil Armstrong <narmstrong@baylibre.com>:
> The EC can expose a CEC bus, thus add the cros-ec-cec MFD sub-device
> when the CEC feature bit is present.
>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
> ---
> drivers/mfd/cros_ec_dev.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
> index 1d6dc5c..272969e 100644
> --- a/drivers/mfd/cros_ec_dev.c
> +++ b/drivers/mfd/cros_ec_dev.c
> @@ -383,6 +383,10 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec)
> kfree(msg);
> }
>
> +static const struct mfd_cell cros_ec_cec_cells[] = {
> + { .name = "cros-ec-cec" }
> +};
> +
> static const struct mfd_cell cros_ec_rtc_cells[] = {
> { .name = "cros-ec-rtc" }
> };
> @@ -426,6 +430,18 @@ 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 CEC host command support */
> + if (cros_ec_check_features(ec, EC_FEATURE_CEC)) {
> + retval = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO,
> + cros_ec_cec_cells,
> + ARRAY_SIZE(cros_ec_cec_cells),
> + NULL, 0, NULL);
> + if (retval)
> + dev_err(ec->dev,
> + "failed to add cros-ec-cec device: %d\n",
> + retval);
> + }
> +
> /* 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,
> --
> 2.7.4
>

Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

Thanks,
Enric

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