/*
* Routines for control of the CS8427 via i2c bus
* IEC958 (S/PDIF) receiver & transmitter by Cirrus Logic
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
*
*/
-#include <sound/driver.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/init.h>
+#include <asm/unaligned.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
static void snd_cs8427_reset(struct snd_i2c_device *cs8427);
-MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_DESCRIPTION("IEC958 (S/PDIF) receiver & transmitter by Cirrus Logic");
MODULE_LICENSE("GPL");
snd_i2c_lock(bus);
err = snd_cs8427_reg_read(device, CS8427_REG_ID_AND_VER);
+ if (err != CS8427_VER8427A) {
+ /* give second chance */
+ snd_printk(KERN_WARNING "invalid CS8427 signature 0x%x: "
+ "let me try again...\n", err);
+ err = snd_cs8427_reg_read(device, CS8427_REG_ID_AND_VER);
+ }
if (err != CS8427_VER8427A) {
snd_i2c_unlock(bus);
snd_printk(KERN_ERR "unable to find CS8427 signature "
goto __fail;
}
/* write default channel status bytes */
- buf[0] = ((unsigned char)(SNDRV_PCM_DEFAULT_CON_SPDIF >> 0));
- buf[1] = ((unsigned char)(SNDRV_PCM_DEFAULT_CON_SPDIF >> 8));
- buf[2] = ((unsigned char)(SNDRV_PCM_DEFAULT_CON_SPDIF >> 16));
- buf[3] = ((unsigned char)(SNDRV_PCM_DEFAULT_CON_SPDIF >> 24));
+ put_unaligned_le32(SNDRV_PCM_DEFAULT_CON_SPDIF, buf);
memset(buf + 4, 0, 24 - 4);
if (snd_cs8427_send_corudata(device, 0, buf, 24) < 0)
goto __fail;