Commit 401de818 authored by Akinobu Mita's avatar Akinobu Mita Committed by Takashi Iwai
Browse files

ALSA: ice1712: Use bitrev8

parent 0d26ce34
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+2 −13
Original line number Diff line number Diff line
@@ -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;
+1 −0
Original line number Diff line number Diff line
@@ -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.