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 Reviewed-by: Enric Balletbo i Serra enric.balletbo@collabora.com Acked-by: Hans Verkuil hans.verkuil@cisco.com Acked-for-MFD-by: Lee Jones lee.jones@linaro.org --- 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 306e1fd..1e2049f 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -377,6 +377,10 @@ 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" } }; @@ -419,6 +423,18 @@ 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,