diff options
author | Takashi Iwai <tiwai@suse.de> | 2009-06-08 14:57:57 +0200 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2009-06-08 14:57:57 +0200 |
commit | 514eef9c2a711b4c24b97bb456d39695a6fe1775 (patch) | |
tree | 0d98fb13304707682faa56d136249e9177a54932 /sound/pci/ctxfi/ctmixer.c | |
parent | ALSA: ctxfi - Fix DMA mask for emu20k2 chip (diff) | |
download | linux-514eef9c2a711b4c24b97bb456d39695a6fe1775.tar.xz linux-514eef9c2a711b4c24b97bb456d39695a6fe1775.zip |
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>
Diffstat (limited to 'sound/pci/ctxfi/ctmixer.c')
-rw-r--r-- | sound/pci/ctxfi/ctmixer.c | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/sound/pci/ctxfi/ctmixer.c b/sound/pci/ctxfi/ctmixer.c index 796156e4bd38..666722d9de41 100644 --- a/sound/pci/ctxfi/ctmixer.c +++ b/sound/pci/ctxfi/ctmixer.c @@ -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 */ |