mfd: cros_ec_dev: Add CEC sub-device registration (03a5755c) · Commits · 戴 / test

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:

drivers/mfd/cros_ec_dev.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -377,6 +377,10 @@ error:
		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,