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Add detection for Texas Instruments AMC6821.

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@5811 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare
2009-12-15 16:53:00 +00:00
parent be799124f8
commit a312cc6da1
2 changed files with 22 additions and 0 deletions
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21
prog/detect/sensors-detect
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@@ -937,6 +937,11 @@ use vars qw(@i2c_adapter_names);
driver => "tmp421",
i2c_addrs => [0x4c, 0x4d],
i2c_detect => sub { tmp42x_detect(@_, 2); },
}, {
name => "Texas Instruments AMC6821",
driver => "amc6821",
i2c_addrs => [0x18..0x1a, 0x2c..0x2e, 0x4c..0x4e],
i2c_detect => sub { amc6821_detect(@_); },
}, {
name => "National Semiconductor LM95231",
driver => "to-be-written",
@@ -4047,6 +4052,22 @@ sub tmp42x_detect()
return;
}
# Registers used:
# 0x3d: Device ID
# 0x3e: Company ID
sub amc6821_detect()
{
my ($file, $addr) = @_;
my $dev_id = i2c_smbus_read_byte_data($file, 0x3d);
my $comp_id = i2c_smbus_read_byte_data($file, 0x3e);
return if ($comp_id != 0x49); # Texas Instruments
return 5 if ($dev_id == 0x21); # AMC6821
return;
}
# Registers used:
# 0x03: Configuration (no low nibble, returns the previous low nibble)
# 0x04: Conversion rate