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From: Andy Shevchenko on 22 Jul 2010 13:00
In kernel we have hex_asc_hi and hex_asc_lo macroses to do the job.

Signed-off-by: Andy Shevchenko <andy.shevchenko(a)gmail.com>
---
drivers/staging/wlan-ng/prism2sta.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c
index 5ec5741..1a502bc 100644
--- a/drivers/staging/wlan-ng/prism2sta.c
+++ b/drivers/staging/wlan-ng/prism2sta.c
@@ -83,8 +83,6 @@
#include "hfa384x.h"
#include "prism2mgmt.h"

-#define wlan_hexchar(x) (((x) < 0x0a) ? ('0' + (x)) : ('a' + ((x) - 0x0a)))
-
/* Create a string of printable chars from something that might not be */
/* It's recommended that the str be 4*len + 1 bytes long */
#define wlan_mkprintstr(buf, buflen, str, strlen) \
@@ -99,8 +97,8 @@
} else { \
(str)[j] = '\\'; \
(str)[j+1] = 'x'; \
- (str)[j+2] = wlan_hexchar(((buf)[i] & 0xf0) >> 4); \
- (str)[j+3] = wlan_hexchar(((buf)[i] & 0x0f)); \
+ (str)[j+2] = hex_asc_hi((buf)[i]); \
+ (str)[j+3] = hex_asc_lo((buf)[i]); \
j += 4; \
} \
} \
--
1.7.1.1

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Next: Bluetooth: hidp: Add support for hidraw HIDIOCGFEATURE and HIDIOCSFEATURE