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ALSA: Replace the magic number 44 with const 

The char arrays with size 44 are for the name string of
snd_ctl_elem_id.  Define the constant and replace the raw numbers with
it for clarifying better.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2013-06-28 11:56:49 +02:00
parent 0c055b3413
commit 975cc02a90
6 changed files with 15 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/uapi/sound/asound.h
View File

@ -817,6 +817,8 @@ typedef int __bitwise snd_ctl_elem_iface_t;
#define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */
#define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */
#define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44
struct snd_ctl_elem_id {
unsigned int numid; /* numeric identifier, zero = invalid */
snd_ctl_elem_iface_t iface; /* interface identifier */

2
sound/pci/ac97/ac97_codec.c
View File

@ -1296,7 +1296,7 @@ static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
struct snd_ac97 *ac97)
{
int err;
char name[44];
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
unsigned char lo_max, hi_max;
if (! snd_ac97_valid_reg(ac97, reg))

2
sound/pci/asihpi/asihpi.c
View File

@ -1278,7 +1278,7 @@ struct hpi_control {
u16 dst_node_type;
u16 dst_node_index;
u16 band;
char name[44]; /* copied to snd_ctl_elem_id.name[44]; */
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* copied to snd_ctl_elem_id.name[44]; */
};
static const char * const asihpi_tuner_band_names[] = {

12
sound/pci/hda/hda_generic.c
View File

@ -854,7 +854,7 @@ static int add_control_with_pfx(struct hda_gen_spec *spec, int type,
const char *pfx, const char *dir,
const char *sfx, int cidx, unsigned long val)
{
char name[44];
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
snprintf(name, sizeof(name), "%s %s %s", pfx, dir, sfx);
if (!add_control(spec, type, name, cidx, val))
return -ENOMEM;
@ -1931,7 +1931,7 @@ static int create_extra_outs(struct hda_codec *codec, int num_pins,
for (i = 0; i < num_pins; i++) {
const char *name;
char tmp[44];
char tmp[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
int err, idx = 0;
if (num_pins == 2 && i == 1 && !strcmp(pfx, "Speaker"))
@ -2484,7 +2484,7 @@ static int create_out_jack_modes(struct hda_codec *codec, int num_pins,
}
if (get_out_jack_num_items(codec, pin) > 1) {
struct snd_kcontrol_new *knew;
char name[44];
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
get_jack_mode_name(codec, pin, name, sizeof(name));
knew = snd_hda_gen_add_kctl(spec, name,
&out_jack_mode_enum);
@ -2616,7 +2616,7 @@ static int create_in_jack_mode(struct hda_codec *codec, hda_nid_t pin)
{
struct hda_gen_spec *spec = codec->spec;
struct snd_kcontrol_new *knew;
char name[44];
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
unsigned int defcfg;
if (pin == spec->hp_mic_pin)
@ -3316,7 +3316,7 @@ static int add_single_cap_ctl(struct hda_codec *codec, const char *label,
bool inv_dmic)
{
struct hda_gen_spec *spec = codec->spec;
char tmpname[44];
char tmpname[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
int type = is_switch ? HDA_CTL_WIDGET_MUTE : HDA_CTL_WIDGET_VOL;
const char *sfx = is_switch ? "Switch" : "Volume";
unsigned int chs = inv_dmic ? 1 : 3;
@ -3578,7 +3578,7 @@ static int parse_mic_boost(struct hda_codec *codec)
struct nid_path *path;
unsigned int val;
int idx;
char boost_label[44];
char boost_label[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
idx = imux->items[i].index;
if (idx >= imux->num_items)

2
sound/pci/hda/hda_jack.c
View File

@ -398,7 +398,7 @@ static int add_jack_kctl(struct hda_codec *codec, hda_nid_t nid,
const char *base_name)
{
unsigned int def_conf, conn;
char name[44];
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
int idx, err;
bool phantom_jack;

8
sound/pci/hda/patch_ca0132.c
View File

@ -139,7 +139,7 @@ enum {
#define DSP_SPEAKER_OUT_LATENCY 7
struct ct_effect {
char name[44];
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
hda_nid_t nid;
int mid; /*effect module ID*/
int reqs[EFFECT_VALS_MAX_COUNT]; /*effect module request*/
@ -270,7 +270,7 @@ enum {
};
struct ct_tuning_ctl {
char name[44];
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
hda_nid_t parent_nid;
hda_nid_t nid;
int mid; /*effect module ID*/
@ -3103,7 +3103,7 @@ static int add_tuning_control(struct hda_codec *codec,
hda_nid_t pnid, hda_nid_t nid,
const char *name, int dir)
{
char namestr[44];
char namestr[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
int type = dir ? HDA_INPUT : HDA_OUTPUT;
struct snd_kcontrol_new knew =
HDA_CODEC_VOLUME_MONO(namestr, nid, 1, 0, type);
@ -3935,7 +3935,7 @@ static int ca0132_volume_tlv(struct snd_kcontrol *kcontrol, int op_flag,
static int add_fx_switch(struct hda_codec *codec, hda_nid_t nid,
const char *pfx, int dir)
{
char namestr[44];
char namestr[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
int type = dir ? HDA_INPUT : HDA_OUTPUT;
struct snd_kcontrol_new knew =
CA0132_CODEC_MUTE_MONO(namestr, nid, 1, type);