linux-kernel - [PATCH] alsa: riptide: don't use own hex_to

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Message-Id: <1276611988-28658-1-git-send-email-andy.shevchenko@gmail.com>
Date:	Tue, 15 Jun 2010 17:26:28 +0300
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Andy Shevchenko <ext-andriy.shevchenko@...ia.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	alsa-devel@...a-project.org
Subject: [PATCH] alsa: riptide: don't use own hex_to_bin() method

From: Andy Shevchenko <ext-andriy.shevchenko@...ia.com>

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@...ia.com>
Cc: Jaroslav Kysela <perex@...ex.cz>
Cc: Takashi Iwai <tiwai@...e.de>
Cc: alsa-devel@...a-project.org
---
 sound/pci/riptide/riptide.c |   12 ++++++------
 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;
 	}
-- 
1.6.6.1

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