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Fix detection.

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2043 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare committed 2003-11-05 21:39:58 +00:00
1 parent 3b0f10d9e1
commit dfe2ecd683
1 file changed
+21 -11
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kernel/chips/lm90.c
+21 -11
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@@ -243,7 +243,7 @@ static int lm90_detect(struct i2c_adapter *adapter, int address,
int err = 0;
const char *type_name = "";
const char *client_name = "";
u8 reg_config1, reg_convrate;
u8 reg_config1=0, reg_convrate=0;
#ifdef DEBUG
if (i2c_is_isa_adapter(adapter))
@@ -292,12 +292,13 @@ static int lm90_detect(struct i2c_adapter *adapter, int address,
* are skipped.
*/
reg_config1 = i2c_smbus_read_byte_data(new_client,
LM90_REG_R_CONFIG1);
reg_convrate = i2c_smbus_read_byte_data(new_client,
LM90_REG_R_CONVRATE);
if (kind < 0) /* detection */
{
reg_config1 = i2c_smbus_read_byte_data(new_client,
LM90_REG_R_CONFIG1);
reg_convrate = i2c_smbus_read_byte_data(new_client,
LM90_REG_R_CONVRATE);
if ((reg_config1 & 0x2A) != 0x00
|| reg_convrate > 0x0A)
{
@@ -313,21 +314,30 @@ static int lm90_detect(struct i2c_adapter *adapter, int address,
{
u8 man_id, chip_id;
man_id = i2c_smbus_read_byte_data(new_client, LM90_REG_R_MAN_ID);
chip_id = i2c_smbus_read_byte_data(new_client, LM90_REG_R_CHIP_ID);
man_id = i2c_smbus_read_byte_data(new_client,
LM90_REG_R_MAN_ID);
chip_id = i2c_smbus_read_byte_data(new_client,
LM90_REG_R_CHIP_ID);
if (man_id == 0x01) /* National Semiconductor */
{
if (chip_id >= 0x21 && chip_id < 0x30 /* LM90 */
&& i2c_smbus_read_byte_data(new_client,
LM90_REG_R_CONFIG2 & 0xF8) == 0x00
&& reg_convrate <= 0x09)
&& (kind == 0 /* skip detection */
|| ((i2c_smbus_read_byte_data(new_client,
LM90_REG_R_CONFIG2) & 0xF8) == 0x00
&& reg_convrate <= 0x09)))
{
kind = lm90;
}
}
else if (man_id == 0x41) /* Analog Devices */
{
if ((chip_id & 0xF0) == 0x40 /* ADM1032 */
&& (reg_config1 & 0x3F) == 0x00)
&& (kind == 0 /* skip detection */
|| (reg_config1 & 0x3F) == 0x00))
{
kind = adm1032;
}
}
}