[patch] b43: N-PHY: fix gain in b43_nphy_get_gain_ctl_workaround_ent()

walter harms wharms at bfs.de
Thu Jan 17 14:03:15 EST 2013



Am 14.01.2013 21:04, schrieb John W. Linville:
> On Sun, Jan 13, 2013 at 11:03:09PM +0300, Dan Carpenter wrote:
>> There were no break statements in this switch statement so everything
>> used the default settings.

great :)

>>
>> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
>> ---
>> Static checker stuff.  Untested.
>>
>> diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c
>> index 97d4e27..6a1c838 100644
>> --- a/drivers/net/wireless/b43/tables_nphy.c
>> +++ b/drivers/net/wireless/b43/tables_nphy.c
>> @@ -3259,20 +3259,28 @@ struct nphy_gain_ctl_workaround_entry *b43_nphy_get_gain_ctl_workaround_ent(
>>  		switch (tr_iso) {
>>  		case 0:
>>  			e->cliplo_gain = 0x0062;
>> +			break;
>>  		case 1:
>>  			e->cliplo_gain = 0x0064;
>> +			break;
>>  		case 2:
>>  			e->cliplo_gain = 0x006a;
>> +			break;
>>  		case 3:
>>  			e->cliplo_gain = 0x106a;
>> +			break;
>>  		case 4:
>>  			e->cliplo_gain = 0x106c;
>> +			break;
>>  		case 5:
>>  			e->cliplo_gain = 0x1074;
>> +			break;
>>  		case 6:
>>  			e->cliplo_gain = 0x107c;
>> +			break;
>>  		case 7:
>>  			e->cliplo_gain = 0x207c;
>> +			break;
>>  		default:
>>  			e->cliplo_gain = 0x106a;
>>  		}
> 
> Wow...nice find!
> 
> This seems like it could be significant.  Any comments from the
> b43 folks?  Should this go to 3.8?
> 

perhaps an array would be more simple here ?


if (tr_iso > 7 )
 e->cliplo_gain = 0x106a;
{
 int data[]={0x0062,0x0064,0x006a,0x106a,0x106c,0x1074,0x107c,0x207c};
  e->cliplo_gain = data[tr_iso];

}



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