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regdb: Generalize the mW to dBm power conversion

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Generalize the power conversion from mW to dBm
using log. This should fix the below compilation
error for country NO which adds a new power value
2000mW which is not handled earlier.

 CC [M]  net/wireless/wext-sme.o
 CC [M]  net/wireless/regdb.o
net/wireless/regdb.c:1130:1: error: Unknown undeclared here (not in
a function)
net/wireless/regdb.c:1130:9: error: expected } before power
make[2]: *** [net/wireless/regdb.o] Error 1
make[1]: *** [net/wireless] Error 2
make: *** [net] Error 2

Reported-By:  John Walker <[email protected]>
Signed-off-by: Chaitanya T K <[email protected]>
Acked-by: John W. Linville <[email protected]>
[remove unneeded parentheses, fix rounding by using %.0f]
Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
[email protected] 2014-05-26 18:01:44 +05:30 • committed by Johannes Berg
commit a9fb54169b
1 changed files with 2 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

14
net/wireless/genregdb.awk
View file

@ -68,17 +68,7 @@ function parse_reg_rule()
sub(/,/, "", units)
dfs_cac = $9
if (units == "mW") {
if (power == 100) {
power = 20
} else if (power == 200) {
power = 23
} else if (power == 500) {
power = 27
} else if (power == 1000) {
power = 30
} else {
print "Unknown power value in database!"
}
power = 10 * log(power)/log(10)
} else {
dfs_cac = $8
}
@ -117,7 +107,7 @@ function parse_reg_rule()
}
flags = flags "0"
printf "\t\tREG_RULE_EXT(%d, %d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, dfs_cac, flags
printf "\t\tREG_RULE_EXT(%d, %d, %d, %d, %.0f, %d, %s),\n", start, end, bw, gain, power, dfs_cac, flags
rules++
}