diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2009-11-13 16:02:56 +0900 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-11-13 08:30:22 +0100 |
| commit | 401de8184a4d94688962b9258fe10ab309ffda9c (patch) | |
| tree | ae1e6c7d92825c6ac95f905f0471056ac2b89865 | |
| parent | 0d26ce3403b3841fa2656df08a819fc7eaebaa17 (diff) | |
ALSA: ice1712: Use bitrev8
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/i2c/cs8427.c | 15 | ||||
| -rw-r--r-- | sound/pci/Kconfig | 1 |
2 files changed, 3 insertions, 13 deletions
diff --git a/sound/i2c/cs8427.c b/sound/i2c/cs8427.c index 020a5d51247..04ae8704cdc 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 75c602b5b13..351654cf7b0 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. |