[PATCH 03/25] hwmon: W83627THF VID fixes

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From: Yuan Mu <ymu at winbond.com.tw>
Content-Disposition: inline; filename=hwmon-w83627thf-fix-vrm-and-vid.patch

This patch fixes the VID reading; no cpu0_vid and vrm files created if
the chip is w83627thf and GPIO5 not enabled.

Signed-off-by: Yuan Mu <ymu at winbond.com.tw>
Signed-off-by: Jean Delvare <khali at linux-fr.org>
---
 drivers/hwmon/w83627hf.c |   16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

--- linux-2.6.15-rc1.orig/drivers/hwmon/w83627hf.c	2005-11-15 19:17:10.000000000 +0100
+++ linux-2.6.15-rc1/drivers/hwmon/w83627hf.c	2005-11-15 19:50:33.000000000 +0100
@@ -1122,11 +1122,10 @@
 	if (kind != w83697hf)
 		device_create_file_temp(new_client, 3);
 
-	if (kind != w83697hf)
+	if (kind != w83697hf && data->vid != 0xff) {
 		device_create_file_vid(new_client);
-
-	if (kind != w83697hf)
 		device_create_file_vrm(new_client);
+	}
 
 	device_create_file_fan_div(new_client, 1);
 	device_create_file_fan_div(new_client, 2);
@@ -1232,7 +1231,7 @@
 
 	/* Make sure the pins are configured for input
 	   There must be at least five (VRM 9), and possibly 6 (VRM 10) */
-	sel = superio_inb(W83627THF_GPIO5_IOSR);
+	sel = superio_inb(W83627THF_GPIO5_IOSR) & 0x3f;
 	if ((sel & 0x1f) != 0x1f) {
 		dev_dbg(&client->dev, "GPIO5 not configured for VID "
 			"function\n");
@@ -1323,19 +1322,18 @@
 		int hi = w83627hf_read_value(client, W83781D_REG_CHIPID);
 		data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
 	} else if (w83627thf == data->type) {
-		data->vid = w83627thf_read_gpio5(client) & 0x3f;
+		data->vid = w83627thf_read_gpio5(client);
 	}
 
 	/* Read VRM & OVT Config only once */
 	if (w83627thf == data->type || w83637hf == data->type) {
 		data->vrm_ovt = 
 			w83627hf_read_value(client, W83627THF_REG_VRM_OVT_CFG);
-		data->vrm = (data->vrm_ovt & 0x01) ? 90 : 82;
-	} else {
-		/* Convert VID to voltage based on default VRM */
-		data->vrm = vid_which_vrm();
 	}
 
+	/* Convert VID to voltage based on VRM */
+	data->vrm = vid_which_vrm();
+
 	tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
 	for (i = 1; i <= 3; i++) {
 		if (!(tmp & BIT_SCFG1[i - 1])) {

-- 
Jean Delvare




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