From fe3b012314cfaad06d78c3119754088e34b5d880 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Fri, 13 Nov 2009 16:02:56 +0900
Subject: [PATCH] --- yaml --- r: 170094 b: refs/heads/master c:
 401de8184a4d94688962b9258fe10ab309ffda9c h: refs/heads/master v: v3

---
 [refs]                   |  2 +-
 trunk/sound/i2c/cs8427.c | 15 ++-------------
 trunk/sound/pci/Kconfig  |  1 +
 3 files changed, 4 insertions(+), 14 deletions(-)

diff --git a/[refs] b/[refs]
index 362601d3c6d9..e05bc9ccec7f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0d26ce3403b3841fa2656df08a819fc7eaebaa17
+refs/heads/master: 401de8184a4d94688962b9258fe10ab309ffda9c
diff --git a/trunk/sound/i2c/cs8427.c b/trunk/sound/i2c/cs8427.c
index 020a5d512472..04ae8704cdcd 100644
--- a/trunk/sound/i2c/cs8427.c
+++ b/trunk/sound/i2c/cs8427.c
@@ -23,6 +23,7 @@
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/init.h>
+#include <linux/bitrev.h>
 #include <asm/unaligned.h>
 #include <sound/core.h>
 #include <sound/control.h>
@@ -55,18 +56,6 @@ struct cs8427 {
 	struct cs8427_stream capture;
 };
 
-static unsigned char swapbits(unsigned char val)
-{
-	int bit;
-	unsigned char res = 0;
-	for (bit = 0; bit < 8; bit++) {
-		res <<= 1;
-		res |= val & 1;
-		val >>= 1;
-	}
-	return res;
-}
-
 int snd_cs8427_reg_write(struct snd_i2c_device *device, unsigned char reg,
 			 unsigned char val)
 {
@@ -149,7 +138,7 @@ static int snd_cs8427_send_corudata(struct snd_i2c_device *device,
 	}
 	data[0] = CS8427_REG_AUTOINC | CS8427_REG_CORU_DATABUF;
 	for (idx = 0; idx < count; idx++)
-		data[idx + 1] = swapbits(ndata[idx]);
+		data[idx + 1] = bitrev8(ndata[idx]);
 	if (snd_i2c_sendbytes(device, data, count + 1) != count + 1)
 		return -EIO;
 	return 1;
diff --git a/trunk/sound/pci/Kconfig b/trunk/sound/pci/Kconfig
index 75c602b5b132..351654cf7b09 100644
--- a/trunk/sound/pci/Kconfig
+++ b/trunk/sound/pci/Kconfig
@@ -570,6 +570,7 @@ config SND_ICE1712
 	tristate "ICEnsemble ICE1712 (Envy24)"
 	select SND_MPU401_UART
 	select SND_AC97_CODEC
+	select BITREVERSE
 	help
 	  Say Y here to include support for soundcards based on the
 	  ICE1712 (Envy24) chip.