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-rw-r--r--sound/pci/riptide/riptide.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index ad44626..59d7996 100644
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -97,6 +97,7 @@
#include <linux/gameport.h>
#include <linux/device.h>
#include <linux/firmware.h>
+#include <linux/kernel.h>
#include <asm/io.h>
#include <sound/core.h>
#include <sound/info.h>
@@ -667,13 +668,12 @@ static u32 atoh(const unsigned char *in, unsigned int len)
unsigned char c;
while (len) {
+ int value;
+
c = in[len - 1];
- if ((c >= '0') && (c <= '9'))
- sum += mult * (c - '0');
- else if ((c >= 'A') && (c <= 'F'))
- sum += mult * (c - ('A' - 10));
- else if ((c >= 'a') && (c <= 'f'))
- sum += mult * (c - ('a' - 10));
+ value = hex_to_bin(c);
+ if (value >= 0)
+ sum += mult * value;
mult *= 16;
--len;
}
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