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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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26
prog/detect/sensors-detect
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@@ -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;
}