On 10/31/2012 12:23 PM, Zefir Kurtisi wrote:
> Add 5% width tolerance for radar patterns defined by ETSI.
>
> Signed-off-by: Zefir Kurtisi <zefir.kurtisi@xxxxxxxxxxx>
> ---
> .../net/wireless/ath/ath9k/dfs_pattern_detector.c | 7 ++++++-
> 1 files changed, 6 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c b/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c
> index 3b12914..24877b0 100644
> --- a/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c
> +++ b/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c
> @@ -42,10 +42,15 @@ struct radar_types {
> #define MIN_PPB_THRESH 50
> #define PPB_THRESH(PPB) ((PPB * MIN_PPB_THRESH + 50) / 100)
> #define PRF2PRI(PRF) ((1000000 + PRF / 2) / PRF)
> +/* percentage of pulse width tolerance */
> +#define WIDTH_TOLERANCE 5
> +#define WIDTH_LOWER(X) ((X*(100-WIDTH_TOLERANCE)+50)/100)
> +#define WIDTH_UPPER(X) ((X*(100+WIDTH_TOLERANCE)+50)/100)
^^^
Why are you adding 50 there? If you want to just add 5% tolerance, then
the +50 is wrong there, but I do not know anything about radar patterns
defined by ETSI.
Hauke
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