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Commit ea5c64b0 authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt
Browse files

powerpc/windfarm: Improve display of fan speeds in sysfs 



Controls registered as RPM and PWM fans are now displayed
with the "RPM" or "%" suffix respectively to make it
clearer to the user what the value actually means since
the fan type isn't otherwise obvious.

Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent a94d72b1

drivers/macintosh/windfarm_core.c

+12 −1
Original line number Diff line number Diff line
@@ -164,13 +164,24 @@ static ssize_t wf_show_control(struct device *dev, 
			       struct device_attribute *attr, char *buf)

{

	struct wf_control *ctrl = container_of(attr, struct wf_control, attr);

	const char *typestr;

	s32 val = 0;

	int err;



	err = ctrl->ops->get_value(ctrl, &val);

	if (err < 0)

		return err;

	return sprintf(buf, "%d\n", val);

	switch(ctrl->type) {

	case WF_CONTROL_RPM_FAN:

		typestr = " RPM";

		break;

	case WF_CONTROL_PWM_FAN:

		typestr = " %";

		break;

	default:

		typestr = "";

	}

	return sprintf(buf, "%d%s\n", val, typestr);

}



/* This is really only for debugging... */