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Add detection of the National Semiconductor LM94.

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@5901 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare
2011-01-14 16:11:54 +00:00
parent 18026a2d0a
commit 9e32a5e3c3
2 changed files with 23 additions and 4 deletions
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CHANGES
+1
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@@ -15,6 +15,7 @@ SVN HEAD
Fix error seen if I2C bus numbers are not sequential
Add detection of SMSC EMC1423
Add detection of the Analog Devices ADT7410
Add detection of the National Semiconductor LM94
3.2.0 (2010-10-10)
libsensors: Increase MAX_SENSORS_PER_TYPE to 24
prog/detect/sensors-detect
+22 -4
View File
@@ -640,7 +640,12 @@ use vars qw(@i2c_adapter_names);
name => "National Semiconductor LM93",
driver => "lm93",
i2c_addrs => [0x2c..0x2e],
i2c_detect => sub { lm93_detect(@_); },
i2c_detect => sub { lm93_detect(@_, 0); },
}, {
name => "National Semiconductor LM94",
driver => "to-be-written", # Most likely lm93
i2c_addrs => [0x2c..0x2e],
i2c_detect => sub { lm93_detect(@_, 1); },
}, {
name => "Winbond W83781D",
driver => "w83781d",
@@ -5226,14 +5231,27 @@ sub fsc_detect
return 8;
}
# Chip to detect: 0 = LM93, 1 = LM94
# Registers used:
# 0x3E: Manufacturer ID
# 0x3F: Version/Stepping
sub lm93_detect
{
my ($file, $addr) = @_;
return unless i2c_smbus_read_byte_data($file, 0x3E) == 0x01
and i2c_smbus_read_byte_data($file, 0x3F) == 0x73;
my ($file, $addr, $chip) = @_;
my ($man_id, $dev_id);
$man_id = i2c_smbus_read_byte_data($file, 0x3E);
$dev_id = i2c_smbus_read_byte_data($file, 0x3F);
if ($chip == 0) {
return unless $man_id == 0x01 # National Semiconductor
and $dev_id == 0x73; # LM93
}
if ($chip == 1) {
return unless $man_id == 0x01 # National Semiconductor
and $dev_id >= 0x79
and $dev_id <= 0x7A; # LM94
}
return 5;
}