mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-01 22:54:01 +00:00
Code Issues Releases Wiki Activity

regdb: Generalize the mW to dBm power conversion

Browse source 
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 <john@x109.net>
Signed-off-by: Chaitanya T K <chaitanya.mgit@gmail.com>
Acked-by: John W. Linville <linville@tuxdriver.com>
[remove unneeded parentheses, fix rounding by using %.0f]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
chaitanya.mgit@gmail.com 2014-05-26 18:01:44 +05:30 committed by Johannes Berg
parent c7d37a66e3
commit a9fb54169b
1 changed files with 2 additions and 12 deletions
Show stats 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++
}