Code/ibm-acpi-0.11-2.6.13-fan.patch

--- ibm-acpi-0.11-orig/ibm_acpi.c 2005-03-17 12:06:16.000000000 +0200 +++ ibm-acpi-0.11/ibm_acpi.c 2005-10-26 06:21:57.000000000 +0200 @@ -1488,11 +1488,18 @@ static int fan_read(char *p)

	} else {
		/* all except 570, 600e/x, 770e, 770x */
		if (!acpi_ec_read(fan_status_offset, &status))
			len += sprintf(p + len, "status:\t\tunreadable\n");

- else + else {

			len += sprintf(p + len, "status:\t\t%s\n",

- enabled(status, 7)); + status ? "enabled" : "disabled"); + if (status & 0x40) + len += sprintf(p + len, "level:\t\tdisengaged\n"); + else if (status & 0x80) + len += sprintf(p + len, "level:\t\tauto\n"); + else + len += sprintf(p + len, "level:\t\t%d\n", status); + }

		if (!acpi_ec_read(fan_rpm_offset,     &lo) ||
		    !acpi_ec_read(fan_rpm_offset + 1, &hi))
			len += sprintf(p + len, "speed:\t\tunreadable\n");

@@ -1506,9 +1513,12 @@ static int fan_read(char *p)

		len += sprintf(p + len, "commands:\tlevel <level>"
			       " (<level> is 0-7)\n");
	if (!gfan_handle)
		/* all except 570, 600e/x, 770e, 770x */

- len += sprintf(p + len, "commands:\tenable, disable\n"); + len += sprintf(p + len, + "commands:\tenable, disable, level <level>\n" + " \t(<level> is 0-7, auto" + "or disengaged)\n");

	if (fans_handle)
		/* X31, X40 */
		len += sprintf(p + len, "commands:\tspeed <speed>"
			       " (<speed> is 0-65535)\n");

@@ -1528,17 +1538,29 @@ static int fan_write(char *buf)

			/* 570, 770x-JL */
			if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level))
				return -EIO;
		} else if (!gfan_handle &&

- strlencmp(cmd, "enable") == 0) { + ( (strlencmp(cmd, "enable") == 0) || + (strlencmp(cmd, "level auto") == 0) ) ) {

			/* all except 570, 600e/x, 770e, 770x */
			if (!acpi_ec_write(fan_status_offset, 0x80))
				return -EIO;
		} else if (!gfan_handle &&
			   strlencmp(cmd, "disable") == 0) {
			/* all except 570, 600e/x, 770e, 770x */
			if (!acpi_ec_write(fan_status_offset, 0x00))
				return -EIO;

+ } else if (!gfan_handle && + strlencmp(cmd, "level disengaged") == 0) { + /* all except 570, 600e/x, 770e, 770x */ + if (!acpi_ec_write(fan_status_offset, 0x40)) + return -EIO; + } else if (!gfan_handle && + sscanf(cmd, "level %d", &level) == 1 && + level >=0 && level <= 7) { + /* all except 570, 600e/x, 770e, 770x */ + if (!acpi_ec_write(fan_status_offset, level)) + return -EIO;

		} else if (fans_handle &&
		    sscanf(cmd, "speed %d", &speed) == 1 &&
		    speed >= 0 && speed <= 65535) {
			/* X31, X40 */

@@ -1751,9 +1773,9 @@ static int __init setup_notify(struct ib

	return 0;
}

-static int device_add(struct acpi_device *device) +static int ibmacpi_device_add(struct acpi_device *device)

{
	return 0;
}

@@ -1769,9 +1791,9 @@ static int __init register_driver(struct

	memset(ibm->driver, 0, sizeof(struct acpi_driver));
	sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name);
	ibm->driver->ids = ibm->hid;

- ibm->driver->ops.add = &device_add; + ibm->driver->ops.add = &ibmacpi_device_add;

	ret = acpi_bus_register_driver(ibm->driver);
	if (ret < 0) {
		printk(IBM_ERR "acpi_bus_register_driver(%s) failed: %d\n",