From 354572a5e66e6f865f908f7b8a6e5a867ef0c7b6 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Sun, 16 May 2004 16:21:19 +0000
Subject: [PATCH] Lower conversion rate when forcibly enabling monitoring of   
      battery voltage.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2540 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 kernel/chips/pc87360.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/kernel/chips/pc87360.c b/kernel/chips/pc87360.c
index bd046698..9eddccfb 100644
--- a/kernel/chips/pc87360.c
+++ b/kernel/chips/pc87360.c
@@ -157,6 +157,7 @@ static inline u8 PWM_TO_REG(int val, int inv)
  * Voltage registers and conversions
  */
 
+#define PC87365_REG_IN_CONVRATE		0x07
 #define PC87365_REG_IN_CONFIG		0x08
 #define PC87365_REG_IN			0x0B
 #define PC87365_REG_IN_MIN		0x0D
@@ -662,8 +663,8 @@ static int pc87360_detach_client(struct i2c_client *client)
 	return 0;
 }
 
-/* ldi is the logical device index:
-   bank is for voltages and temperatures only. */
+/* ldi is the logical device index
+   bank is for voltages and temperatures only */
 static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
 			      u8 reg)
 {
@@ -697,6 +698,20 @@ static void pc87360_init_client(struct i2c_client *client)
 	const u8 init_temp[3] = { 2, 2, 1 };
 	u8 reg;
 
+	if (init >= 3) {
+		reg = pc87360_read_value(data, LD_IN, NO_BANK,
+					 PC87365_REG_IN_CONVRATE);
+		if (reg & 0x06) {
+#ifdef DEBUG
+			printk(KERN_DEBUG "pc87360.o: Setting "
+			       "VLM conversion period to 1 second\n");
+#endif		
+			pc87360_write_value(data, LD_IN, NO_BANK,
+					    PC87365_REG_IN_CONVRATE,
+					    (reg & 0xF8) | 0x01);
+		}
+	}
+
 	for (i=0; i<data->innr; i++) {
 		if (init >= init_in[i]) {
 			/* Forcibly enable voltage channel */