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[ALSA] sparc dbri: removal of unused struct members

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It removes unused or rarely used members of defined structures.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Krzysztof Helt 2006-08-17 16:58:45 +02:00 committed by Jaroslav Kysela
parent 7cf0a95310
commit 5fc3a2b250
1 changed files with 6 additions and 29 deletions
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35
sound/sparc/dbri.c
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@ -34,7 +34,7 @@
* (the second one is a monitor/tee pipe, valid only for serial input).
*
* The mmcodec is connected via the CHI bus and needs the data & some
* parameters (volume, balance, output selection) timemultiplexed in 8 byte
* parameters (volume, output selection) timemultiplexed in 8 byte
* chunks. It also has a control mode, which serves for audio format setting.
*
* Looking at the CS4215 data sheet it is easy to set up 2 or 4 codecs on
@ -274,9 +274,7 @@ enum in_or_out { PIPEinput, PIPEoutput };
struct dbri_pipe {
u32 sdp; /* SDP command word */
enum in_or_out direction;
int nextpipe; /* Next pipe in linked list */
int prevpipe;
int cycle; /* Offset of timeslot (bits) */
int length; /* Length of timeslot (bits) */
int first_desc; /* Index of first descriptor */
@ -300,13 +298,11 @@ struct dbri_streaminfo {
int pipe; /* Data pipe used */
int left_gain; /* mixer elements */
int right_gain;
int balance;
};
/* This structure holds the information for both chips (DBRI & CS4215) */
struct snd_dbri {
struct snd_card *card; /* ALSA card */
struct snd_pcm *pcm;
int regs_size, irq; /* Needed for unload */
struct sbus_dev *sdev; /* SBUS device info */
@ -316,7 +312,6 @@ struct snd_dbri {
u32 dma_dvma; /* DBRI visible DMA address */
void __iomem *regs; /* dbri HW regs */
int dbri_version; /* 'e' and up is OK */
int dbri_irqp; /* intr queue pointer */
int wait_send; /* sequence of command buffers send */
int wait_ackd; /* sequence of command buffers acknowledged */
@ -337,8 +332,6 @@ struct snd_dbri {
#define DBRI_MAX_VOLUME 63 /* Output volume */
#define DBRI_MAX_GAIN 15 /* Input gain */
#define DBRI_RIGHT_BALANCE 255
#define DBRI_MID_BALANCE (DBRI_RIGHT_BALANCE >> 1)
/* DBRI Reg0 - Status Control Register - defines. (Page 17) */
#define D_P (1<<15) /* Program command & queue pointer valid */
@ -841,10 +834,6 @@ static void setup_pipe(struct snd_dbri * dbri, int pipe, int sdp)
dbri->pipes[pipe].sdp = sdp;
dbri->pipes[pipe].desc = -1;
dbri->pipes[pipe].first_desc = -1;
if (sdp & D_SDP_TO_SER)
dbri->pipes[pipe].direction = PIPEoutput;
else
dbri->pipes[pipe].direction = PIPEinput;
reset_pipe(dbri, pipe);
}
@ -1363,14 +1352,6 @@ static void cs4215_setdata(struct snd_dbri * dbri, int muted)
int left_gain = info->left_gain % 64;
int right_gain = info->right_gain % 64;
if (info->balance < DBRI_MID_BALANCE) {
right_gain *= info->balance;
right_gain /= DBRI_MID_BALANCE;
} else {
left_gain *= DBRI_RIGHT_BALANCE - info->balance;
left_gain /= DBRI_MID_BALANCE;
}
dbri->mm.data[0] &= ~0x3f; /* Reset the volume bits */
dbri->mm.data[1] &= ~0x3f;
dbri->mm.data[0] |= (DBRI_MAX_VOLUME - left_gain);
@ -2233,7 +2214,6 @@ static int __devinit snd_dbri_pcm(struct snd_dbri * dbri)
pcm->private_data = dbri;
pcm->info_flags = 0;
strcpy(pcm->name, dbri->card->shortname);
dbri->pcm = pcm;
if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm,
SNDRV_DMA_TYPE_CONTINUOUS,
@ -2452,7 +2432,6 @@ static int __init snd_dbri_mixer(struct snd_dbri * dbri)
for (idx = DBRI_REC; idx < DBRI_NO_STREAMS; idx++) {
dbri->stream_info[idx].left_gain = 0;
dbri->stream_info[idx].right_gain = 0;
dbri->stream_info[idx].balance = DBRI_MID_BALANCE;
}
return 0;
@ -2484,12 +2463,11 @@ static void dbri_debug_read(struct snd_info_entry * entry,
struct dbri_pipe *pptr = &dbri->pipes[pipe];
snd_iprintf(buffer,
"Pipe %d: %s SDP=0x%x desc=%d, "
"len=%d @ %d prev: %d next %d\n",
"len=%d @ %d next %d\n",
pipe,
(pptr->direction ==
PIPEinput ? "input" : "output"), pptr->sdp,
pptr->desc, pptr->length, pptr->cycle,
pptr->prevpipe, pptr->nextpipe);
((pptr->sdp & D_SDP_TO_SER) ? "output" : "input"),
pptr->sdp, pptr->desc,
pptr->length, pptr->cycle, pptr->nextpipe);
}
}
}
@ -2528,7 +2506,6 @@ static int __init snd_dbri_create(struct snd_card *card,
dbri->card = card;
dbri->sdev = sdev;
dbri->irq = irq->pri;
dbri->dbri_version = sdev->prom_name[9];
dbri->dma = sbus_alloc_consistent(sdev, sizeof(struct dbri_dma),
&dbri->dma_dvma);
@ -2648,7 +2625,7 @@ static int __init dbri_attach(int prom_node, struct sbus_dev *sdev)
printk(KERN_INFO "audio%d at %p (irq %d) is DBRI(%c)+CS4215(%d)\n",
dev, dbri->regs,
dbri->irq, dbri->dbri_version, dbri->mm.version);
dbri->irq, sdev->prom_name[9], dbri->mm.version);
dev++;
return 0;