ALSA: ctxfi - Remove useless initializations and cast
Remove useless variable initializations and cast at the beginning of
functions.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ctxfi/ctdaio.c b/sound/pci/ctxfi/ctdaio.c
index a2aea39..befead4 100644
--- a/sound/pci/ctxfi/ctdaio.c
+++ b/sound/pci/ctxfi/ctdaio.c
@@ -168,9 +168,9 @@
static int dao_set_left_input(struct dao *dao, struct rsc *input)
{
- struct imapper *entry = NULL;
+ struct imapper *entry;
struct daio *daio = &dao->daio;
- int i = 0;
+ int i;
entry = kzalloc((sizeof(*entry) * daio->rscl.msr), GFP_KERNEL);
if (NULL == entry)
@@ -196,9 +196,9 @@
static int dao_set_right_input(struct dao *dao, struct rsc *input)
{
- struct imapper *entry = NULL;
+ struct imapper *entry;
struct daio *daio = &dao->daio;
- int i = 0;
+ int i;
entry = kzalloc((sizeof(*entry) * daio->rscr.msr), GFP_KERNEL);
if (NULL == entry)
@@ -224,9 +224,9 @@
static int dao_clear_left_input(struct dao *dao)
{
- struct imapper *entry = NULL;
+ struct imapper *entry;
struct daio *daio = &dao->daio;
- int i = 0;
+ int i;
if (NULL == dao->imappers[0])
return 0;
@@ -248,9 +248,9 @@
static int dao_clear_right_input(struct dao *dao)
{
- struct imapper *entry = NULL;
+ struct imapper *entry;
struct daio *daio = &dao->daio;
- int i = 0;
+ int i;
if (NULL == dao->imappers[daio->rscl.msr])
return 0;
@@ -299,7 +299,7 @@
static int dai_set_srt_msr(struct dai *dai, unsigned int msr)
{
- unsigned int rsr = 0;
+ unsigned int rsr;
for (rsr = 0; msr > 1; msr >>= 1)
rsr++;
@@ -340,8 +340,8 @@
const struct daio_desc *desc,
void *hw)
{
- int err = 0;
- unsigned int idx_l = 0, idx_r = 0;
+ int err;
+ unsigned int idx_l, idx_r;
switch (((struct hw *)hw)->get_chip_type(hw)) {
case ATC20K1:
@@ -400,8 +400,8 @@
struct daio_mgr *mgr)
{
struct hw *hw = mgr->mgr.hw;
- unsigned int conf = 0;
- int err = 0;
+ unsigned int conf;
+ int err;
err = daio_rsc_init(&dao->daio, desc, mgr->mgr.hw);
if (err)
@@ -423,7 +423,7 @@
daio_device_index(dao->daio.type, hw));
hw->daio_mgr_commit_write(hw, mgr->mgr.ctrl_blk);
- conf |= (desc->msr & 0x7) | (desc->passthru << 3);
+ conf = (desc->msr & 0x7) | (desc->passthru << 3);
hw->daio_mgr_dao_init(mgr->mgr.ctrl_blk,
daio_device_index(dao->daio.type, hw), conf);
hw->daio_mgr_enb_dao(mgr->mgr.ctrl_blk,
@@ -475,9 +475,9 @@
const struct daio_desc *desc,
struct daio_mgr *mgr)
{
- int err = 0;
+ int err;
struct hw *hw = mgr->mgr.hw;
- unsigned int rsr = 0, msr = 0;
+ unsigned int rsr, msr;
err = daio_rsc_init(&dai->daio, desc, mgr->mgr.hw);
if (err)
@@ -536,7 +536,7 @@
const struct daio_desc *desc,
struct daio **rdaio)
{
- int err = 0;
+ int err;
struct dai *dai = NULL;
struct dao *dao = NULL;
unsigned long flags;
@@ -660,7 +660,7 @@
static int daio_imap_add(struct daio_mgr *mgr, struct imapper *entry)
{
unsigned long flags;
- int err = 0;
+ int err;
spin_lock_irqsave(&mgr->imap_lock, flags);
if ((0 == entry->addr) && (mgr->init_imap_added)) {
@@ -677,7 +677,7 @@
static int daio_imap_delete(struct daio_mgr *mgr, struct imapper *entry)
{
unsigned long flags;
- int err = 0;
+ int err;
spin_lock_irqsave(&mgr->imap_lock, flags);
err = input_mapper_delete(&mgr->imappers, entry, daio_map_op, mgr);
@@ -701,7 +701,7 @@
int daio_mgr_create(void *hw, struct daio_mgr **rdaio_mgr)
{
- int err = 0, i = 0;
+ int err, i;
struct daio_mgr *daio_mgr;
struct imapper *entry;