Commit a9fb5416 authored May 26, 2014 by chaitanya.mgit@gmail.com Committed by Johannes Berg May 27, 2014

regdb: Generalize the mW to dBm power conversion



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>

parent c7d37a66

net/wireless/genregdb.awk

+2 −12

Original line number	Diff line number	Diff line
		@@ -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++
		}

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