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Commit 95a4d07f authored by Enric Balletbo i Serra's avatar Enric Balletbo i Serra Committed by Lee Jones
Browse files

mfd: cros_ec_dev: Register cros-ec-rtc driver as a subdevice 



Check whether this EC instance has RTC host command support and instatiate
the RTC driver as a subdevice in such case.

Signed-off-by: default avatarEnric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: default avatarGwendal Grignou <gwendal@chromium.org>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 44d99d73

drivers/mfd/cros_ec_dev.c

+16 −0
Original line number Diff line number Diff line
@@ -383,6 +383,10 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec) 
	kfree(msg);

}



static const struct mfd_cell cros_ec_rtc_cells[] = {

	{ .name = "cros-ec-rtc" }

};



static int ec_device_probe(struct platform_device *pdev)

{

	int retval = -ENOMEM;
@@ -422,6 +426,18 @@ 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 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_cells,

					 ARRAY_SIZE(cros_ec_rtc_cells),

					 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);