Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Jaroslav Kysela <perex@xxxxxxxx>
Cc: Takashi Iwai <tiwai@xxxxxxx>
Cc: alsa-devel@xxxxxxxxxxxxxxxx
---
sound/i2c/cs8427.c | 15 ++-------------
sound/pci/Kconfig | 1 +
2 files changed, 3 insertions(+), 13 deletions(-)
diff --git a/sound/i2c/cs8427.c b/sound/i2c/cs8427.c
index 020a5d5..04ae870 100644
--- a/sound/i2c/cs8427.c
+++ b/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/sound/pci/Kconfig b/sound/pci/Kconfig
index 75c602b..351654c 100644
--- a/sound/pci/Kconfig
+++ b/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.
--
1.6.5.1
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