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ALSA: ctxfi - Remove useless initializations and cast

Ver a proveniência 
Remove useless variable initializations and cast at the beginning of
functions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Este cometimento está contido em:
Takashi Iwai
2009-06-08 14:57:57 +02:00
ascendente 4836ac6554
cometimento 514eef9c2a
11 ficheiros modificados com 301 adições e 297 eliminações
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60
sound/pci/ctxfi/ctmixer.c
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@@ -298,7 +298,7 @@ set_switch_state(struct ct_mixer *mixer,
* from 2^-6 to (1+1023/1024) */
static unsigned int uint16_to_float14(unsigned int x)
{
unsigned int i = 0;
unsigned int i;
if (x < 17)
return 0;
@@ -318,7 +318,7 @@ static unsigned int uint16_to_float14(unsigned int x)
static unsigned int float14_to_uint16(unsigned int x)
{
unsigned int e = 0;
unsigned int e;
if (!x)
return x;
@@ -491,7 +491,7 @@ static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol,
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
struct ct_mixer *mixer = atc->mixer;
enum CTALSA_MIXER_CTL type = kcontrol->private_value;
int state = 0;
int state;
state = ucontrol->value.integer.value[0];
if (get_switch_state(mixer, type) == state)
@@ -574,7 +574,7 @@ static int ct_spdif_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
unsigned int status = 0;
unsigned int status;
atc->spdif_out_get_status(atc, &status);
ucontrol->value.iec958.status[0] = (status >> 0) & 0xff;
@@ -589,8 +589,8 @@ static int ct_spdif_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
int change = 1;
unsigned int status = 0, old_status = 0;
int change;
unsigned int status, old_status;
status = (ucontrol->value.iec958.status[0] << 0) |
(ucontrol->value.iec958.status[1] << 8) |
@@ -641,8 +641,8 @@ static struct snd_kcontrol_new iec958_ctl = {
static int
ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new)
{
struct snd_kcontrol *kctl = NULL;
int err = 0;
struct snd_kcontrol *kctl;
int err;
kctl = snd_ctl_new1(new, mixer->atc);
if (NULL == kctl)
@@ -669,9 +669,9 @@ ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new)
static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
{
enum CTALSA_MIXER_CTL type = 0;
enum CTALSA_MIXER_CTL type;
struct ct_atc *atc = mixer->atc;
int err = 0;
int err;
/* Create snd kcontrol instances on demand */
for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) {
@@ -733,9 +733,9 @@ static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
static void
ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
{
struct amixer *amix_d = NULL;
struct sum *sum_c = NULL;
int i = 0;
struct amixer *amix_d;
struct sum *sum_c;
int i;
for (i = 0; i < 2; i++) {
amix_d = mixer->amixers[type*CHN_NUM+i];
@@ -748,8 +748,8 @@ ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
static void
ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
{
struct amixer *amix_d = NULL;
int i = 0;
struct amixer *amix_d;
int i;
for (i = 0; i < 2; i++) {
amix_d = mixer->amixers[type*CHN_NUM+i];
@@ -760,14 +760,14 @@ ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
static int ct_mixer_get_resources(struct ct_mixer *mixer)
{
struct sum_mgr *sum_mgr = NULL;
struct sum *sum = NULL;
struct sum_mgr *sum_mgr;
struct sum *sum;
struct sum_desc sum_desc = {0};
struct amixer_mgr *amixer_mgr = NULL;
struct amixer *amixer = NULL;
struct amixer_mgr *amixer_mgr;
struct amixer *amixer;
struct amixer_desc am_desc = {0};
int err = 0;
int i = 0;
int err;
int i;
/* Allocate sum resources for mixer obj */
sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
@@ -822,8 +822,8 @@ error1:
static int ct_mixer_get_mem(struct ct_mixer **rmixer)
{
struct ct_mixer *mixer = NULL;
int err = 0;
struct ct_mixer *mixer;
int err;
*rmixer = NULL;
/* Allocate mem for mixer obj */
@@ -855,9 +855,9 @@ error1:
static int ct_mixer_topology_build(struct ct_mixer *mixer)
{
struct sum *sum = NULL;
struct amixer *amix_d = NULL, *amix_s = NULL;
enum CT_AMIXER_CTL i = 0, j = 0;
struct sum *sum;
struct amixer *amix_d, *amix_s;
enum CT_AMIXER_CTL i, j;
/* Build topology from destination to source */
@@ -1044,7 +1044,7 @@ int ct_mixer_destroy(struct ct_mixer *mixer)
struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
struct amixer_mgr *amixer_mgr =
(struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
struct amixer *amixer = NULL;
struct amixer *amixer;
int i = 0;
/* Release amixer resources */
@@ -1071,8 +1071,8 @@ int ct_mixer_destroy(struct ct_mixer *mixer)
int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer)
{
struct ct_mixer *mixer = NULL;
int err = 0;
struct ct_mixer *mixer;
int err;
*rmixer = NULL;
@@ -1109,7 +1109,7 @@ int ct_alsa_mix_create(struct ct_atc *atc,
enum CTALSADEVS device,
const char *device_name)
{
int err = 0;
int err;
/* Create snd kcontrol instances on demand */
/* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */