wt/lm-sensors
1
0 Fork 0
mirror of https://github.com/lm-sensors/lm-sensors.git synced 2026-10-26 12:24:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

Backport Takeru Komoriya's changes from Linux 2.6. This fixes

Browse Source 
loading it87 with reset=1.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2316 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare committed 2004-02-28 15:46:46 +00:00
1 parent f0ab72d26c
commit 6b2f1e18bb
1 file changed
+34 -6
Download Patch File Download Diff File Expand all files Collapse all files
kernel/chips/it87.c
+34 -6
View File
@@ -118,7 +118,7 @@ superio_exit(void)
static int update_vbat = 0;
/* Reset the registers on init */
static int reset_it87 = 0;
static int reset = 0;
/* Many IT87 constants specified below */
@@ -663,15 +663,43 @@ static int it87_write_value(struct i2c_client *client, u8 reg, u8 value)
return i2c_smbus_write_byte_data(client, reg, value);
}
/* Called when we have found a new IT87. It should set limits, etc. */
/* Called when we have found a new IT87. */
static void it87_init_client(struct i2c_client *client)
{
if( reset_it87 ) {
int tmp;
if (reset) {
/* Reset all except Watchdog values and last conversion values
This sets fan-divs to 2, among others */
it87_write_value(client, IT87_REG_CONFIG, 0x80);
}
/* Check if temperature channnels are reset manually or by some reason */
tmp = it87_read_value(client, IT87_REG_TEMP_ENABLE);
if ((tmp & 0x3f) == 0) {
/* Temp1,Temp3=thermistor; Temp2=thermal diode */
tmp = (tmp & 0xc0) | 0x2a;
it87_write_value(client, IT87_REG_TEMP_ENABLE, tmp);
}
/* Check if voltage monitors are reset manually or by some reason */
tmp = it87_read_value(client, IT87_REG_VIN_ENABLE);
if ((tmp & 0xff) == 0) {
/* Enable all voltage monitors */
it87_write_value(client, IT87_REG_VIN_ENABLE, 0xff);
}
/* Check if tachometers are reset manually or by some reason */
tmp = it87_read_value(client, IT87_REG_FAN_CTRL);
if ((tmp & 0x70) == 0) {
/* Enable all fan tachometers */
tmp = (tmp & 0x8f) | 0x70;
it87_write_value(client, IT87_REG_FAN_CTRL, tmp);
}
/* Start monitoring */
it87_write_value(client, IT87_REG_CONFIG,
(it87_read_value(client, IT87_REG_CONFIG) & 0xb7)
(it87_read_value(client, IT87_REG_CONFIG) & 0x36)
| (update_vbat ? 0x41 : 0x01));
}
@@ -1104,8 +1132,8 @@ MODULE_AUTHOR("Chris Gauthron <chrisg@0-in.com>");
MODULE_DESCRIPTION("IT8705F, IT8712F, Sis950 driver");
MODULE_PARM(update_vbat, "i");
MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value");
MODULE_PARM(reset_it87, "i");
MODULE_PARM_DESC(reset_it87, "Reset the chip's registers, default no");
MODULE_PARM(reset, "i");
MODULE_PARM_DESC(reset, "Reset the chip's registers, default no");
module_init(sm_it87_init);
module_exit(sm_it87_exit);