[PATCH] libertas: Improvements on automatic tx power control via SIOCSIWTXPOW.

Dan Williams dcbw at redhat.com
Mon Sep 29 16:59:37 EDT 2008


On Fri, 2008-09-26 at 12:26 -0400, John W. Linville wrote:
> On Thu, Sep 25, 2008 at 04:19:31PM -0700, Anna Neal wrote:
> > iwconfig txpower can now be used to set tx power to fixed or auto. If set to
> > auto the default firmware settings are used.
> > 
> > The command CMD_802_11_PA_CFG is only sent to older firmware, as Dan Williams
> > noted the command was no longer supported in firmware V9+.
> > 
> > Signed-off-by: Anna Neal <anna at cozybit.com>
> > Signed-off-by: Javier Cardona <javier at cozybit.com>
> 
> I had already committed an earlier version.  I believe I have
> incorporated all the changes in "libertas: Improvements on automatic tx
> power control via SIOCSIWTXPOW (fixups)" -- please feel free to verify.

A few missing bits, sorry for the confusion.  Merge fixups against
current wireless-testing below.

Signed-off-by: Dan Williams <dcbw at redhat.com>

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index aee19fa..a912fb6 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1949,7 +1949,7 @@ int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1,
 	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 	cmd.action = cpu_to_le16(CMD_ACT_SET);
 	cmd.enable = !!enable;
-	cmd.usesnr = !!enable;
+	cmd.usesnr = !!usesnr;
 	cmd.P0 = p0;
 	cmd.P1 = p1;
 	cmd.P2 = p2;
diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h
index d21bb4e..076a636 100644
--- a/drivers/net/wireless/libertas/defs.h
+++ b/drivers/net/wireless/libertas/defs.h
@@ -189,16 +189,6 @@ static inline void lbs_deb_hex(unsigned int grp, const char *prompt, u8 *buf, in
 #define MRVDRV_CMD_UPLD_RDY		0x0008
 #define MRVDRV_CARDEVENT		0x0010
 
-
-/* Automatic TX control default levels */
-#define POW_ADAPT_DEFAULT_P0 13
-#define POW_ADAPT_DEFAULT_P1 15
-#define POW_ADAPT_DEFAULT_P2 18
-#define TPC_DEFAULT_P0 5
-#define TPC_DEFAULT_P1 10
-#define TPC_DEFAULT_P2 13
-
-
 /* Automatic TX control default levels */
 #define POW_ADAPT_DEFAULT_P0 13
 #define POW_ADAPT_DEFAULT_P1 15




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