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Simplify LM77 detection. The extra detection steps were broken and nobody

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complained. And it's not like the LM77 is an immensely popular chip.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/branches/lm-sensors-3.0.0@5482 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare
2008-12-01 08:16:53 +00:00
parent 3dc7d6b2e9
commit f6bb77e523
1 changed files with 3 additions and 19 deletions
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22
prog/detect/sensors-detect
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@@ -3203,26 +3203,10 @@ sub lm77_detect
or (($high >> 4) != 0 && ($high >> 4) != 0xf);
# Make sure the chip supports SMBus read word transactions
$cur = i2c_smbus_read_word_data($file, 0x00);
return if $cur < 0;
$hyst = i2c_smbus_read_word_data($file, 0x02);
return if $hyst < 0;
$os = i2c_smbus_read_word_data($file, 0x03);
return if $os < 0;
$low = i2c_smbus_read_word_data($file, 0x04);
return if $low < 0;
$high = i2c_smbus_read_word_data($file, 0x05);
return if $high < 0;
foreach $i (0x00, 0x02, 0x03, 0x04, 0x05) {
return if i2c_smbus_read_word_data($file, $i) < 0;
}
$cur /= 16;
$hyst /= 16;
$os /= 16;
$high /= 16;
$low /= 16;
# Most probable value ranges
return 6 if $cur <= 100 and $hyst <= 40
and ($os >= 20 && $os <= 127) and ($high >= 20 && $high <= 127);
return 3;
}