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ALSA: isa: Constify snd_kcontrol_new items

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Most of snd_kcontrol_new definitions are read-only and passed as-is.
Let's declare them as const for further optimization.

There should be no functional changes by this patch.

Link: https://lore.kernel.org/r/20200103081714.9560-36-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-01-03 09:16:51 +01:00
parent 0da2c47a95
commit fdd1f6fd32
13 changed files with 45 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sound/isa/ad1816a/ad1816a_lib.c
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@ -884,7 +884,7 @@ static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
static struct snd_kcontrol_new snd_ad1816a_controls[] = {
static const struct snd_kcontrol_new snd_ad1816a_controls[] = {
AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1),
AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1,
db_scale_5bit),

2
sound/isa/cmi8330.c
View File

@ -179,7 +179,7 @@ MODULE_DEVICE_TABLE(pnp_card, snd_cmi8330_pnpids);
#endif
static struct snd_kcontrol_new snd_cmi8330_controls[] = {
static const struct snd_kcontrol_new snd_cmi8330_controls[] = {
WSS_DOUBLE("Master Playback Volume", 0,
CMI8330_MASTVOL, CMI8330_MASTVOL, 4, 0, 15, 0),
WSS_SINGLE("Loud Playback Switch", 0,

14
sound/isa/cs423x/cs4236_lib.c
View File

@ -758,7 +758,7 @@ static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_2bit, -1800, 600, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
static struct snd_kcontrol_new snd_cs4236_controls[] = {
static const struct snd_kcontrol_new snd_cs4236_controls[] = {
CS4236_DOUBLE("Master Digital Playback Switch", 0,
CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1),
@ -853,7 +853,7 @@ CS4236_DOUBLE1_TLV("Loopback Digital Playback Volume", 0,
static const DECLARE_TLV_DB_SCALE(db_scale_5bit_6db_max, -5600, 200, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_2bit_16db_max, -2400, 800, 0);
static struct snd_kcontrol_new snd_cs4235_controls[] = {
static const struct snd_kcontrol_new snd_cs4235_controls[] = {
WSS_DOUBLE("Master Playback Switch", 0,
CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 7, 7, 1, 1),
@ -986,7 +986,7 @@ static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct sn
return change;
}
static struct snd_kcontrol_new snd_cs4236_iec958_controls[] = {
static const struct snd_kcontrol_new snd_cs4236_iec958_controls[] = {
CS4236_IEC958_ENABLE("IEC958 Output Enable", 0),
CS4236_SINGLEC("IEC958 Output Validity", 0, 4, 4, 1, 0),
CS4236_SINGLEC("IEC958 Output User", 0, 4, 5, 1, 0),
@ -995,12 +995,12 @@ CS4236_SINGLEC("IEC958 Output Channel Status Low", 0, 5, 1, 127, 0),
CS4236_SINGLEC("IEC958 Output Channel Status High", 0, 6, 0, 255, 0)
};
static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4235[] = {
static const struct snd_kcontrol_new snd_cs4236_3d_controls_cs4235[] = {
CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1)
};
static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4237[] = {
static const struct snd_kcontrol_new snd_cs4236_3d_controls_cs4237[] = {
CS4236_SINGLEC("3D Control - Switch", 0, 3, 7, 1, 0),
CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
CS4236_SINGLEC("3D Control - Center", 0, 2, 0, 15, 1),
@ -1008,7 +1008,7 @@ CS4236_SINGLEC("3D Control - Mono", 0, 3, 6, 1, 0),
CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
};
static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4238[] = {
static const struct snd_kcontrol_new snd_cs4236_3d_controls_cs4238[] = {
CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
CS4236_SINGLEC("3D Control - Volume", 0, 2, 0, 15, 1),
@ -1020,7 +1020,7 @@ int snd_cs4236_mixer(struct snd_wss *chip)
struct snd_card *card;
unsigned int idx, count;
int err;
struct snd_kcontrol_new *kcontrol;
const struct snd_kcontrol_new *kcontrol;
if (snd_BUG_ON(!chip || !chip->card))
return -EINVAL;

2
sound/isa/es1688/es1688_lib.c
View File

@ -924,7 +924,7 @@ static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e
return change;
}
static struct snd_kcontrol_new snd_es1688_controls[] = {
static const struct snd_kcontrol_new snd_es1688_controls[] = {
ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0),
ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0),
ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0),

26
sound/isa/es18xx.c
View File

@ -1246,7 +1246,7 @@ static int snd_es18xx_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e
* The controls that are universal to all chipsets are fully initialized
* here.
*/
static struct snd_kcontrol_new snd_es18xx_base_controls[] = {
static const struct snd_kcontrol_new snd_es18xx_base_controls[] = {
ES18XX_DOUBLE("Master Playback Volume", 0, 0x60, 0x62, 0, 0, 63, 0),
ES18XX_DOUBLE("Master Playback Switch", 0, 0x60, 0x62, 6, 6, 1, 1),
ES18XX_DOUBLE("Line Playback Volume", 0, 0x3e, 0x3e, 4, 0, 15, 0),
@ -1265,7 +1265,7 @@ ES18XX_DOUBLE("Capture Volume", 0, 0xb4, 0xb4, 4, 0, 15, 0),
}
};
static struct snd_kcontrol_new snd_es18xx_recmix_controls[] = {
static const struct snd_kcontrol_new snd_es18xx_recmix_controls[] = {
ES18XX_DOUBLE("PCM Capture Volume", 0, 0x69, 0x69, 4, 0, 15, 0),
ES18XX_DOUBLE("Mic Capture Volume", 0, 0x68, 0x68, 4, 0, 15, 0),
ES18XX_DOUBLE("Line Capture Volume", 0, 0x6e, 0x6e, 4, 0, 15, 0),
@ -1277,35 +1277,35 @@ ES18XX_DOUBLE("Aux Capture Volume", 0, 0x6c, 0x6c, 4, 0, 15, 0)
/*
* The chipset specific mixer controls
*/
static struct snd_kcontrol_new snd_es18xx_opt_speaker =
static const struct snd_kcontrol_new snd_es18xx_opt_speaker =
ES18XX_SINGLE("Beep Playback Volume", 0, 0x3c, 0, 7, 0);
static struct snd_kcontrol_new snd_es18xx_opt_1869[] = {
static const struct snd_kcontrol_new snd_es18xx_opt_1869[] = {
ES18XX_SINGLE("Capture Switch", 0, 0x1c, 4, 1, ES18XX_FL_INVERT),
ES18XX_SINGLE("Video Playback Switch", 0, 0x7f, 0, 1, 0),
ES18XX_DOUBLE("Mono Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0),
ES18XX_DOUBLE("Mono Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0)
};
static struct snd_kcontrol_new snd_es18xx_opt_1878 =
static const struct snd_kcontrol_new snd_es18xx_opt_1878 =
ES18XX_DOUBLE("Video Playback Volume", 0, 0x68, 0x68, 4, 0, 15, 0);
static struct snd_kcontrol_new snd_es18xx_opt_1879[] = {
static const struct snd_kcontrol_new snd_es18xx_opt_1879[] = {
ES18XX_SINGLE("Video Playback Switch", 0, 0x71, 6, 1, 0),
ES18XX_DOUBLE("Video Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0),
ES18XX_DOUBLE("Video Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0)
};
static struct snd_kcontrol_new snd_es18xx_pcm1_controls[] = {
static const struct snd_kcontrol_new snd_es18xx_pcm1_controls[] = {
ES18XX_DOUBLE("PCM Playback Volume", 0, 0x14, 0x14, 4, 0, 15, 0),
};
static struct snd_kcontrol_new snd_es18xx_pcm2_controls[] = {
static const struct snd_kcontrol_new snd_es18xx_pcm2_controls[] = {
ES18XX_DOUBLE("PCM Playback Volume", 0, 0x7c, 0x7c, 4, 0, 15, 0),
ES18XX_DOUBLE("PCM Playback Volume", 1, 0x14, 0x14, 4, 0, 15, 0)
};
static struct snd_kcontrol_new snd_es18xx_spatializer_controls[] = {
static const struct snd_kcontrol_new snd_es18xx_spatializer_controls[] = {
ES18XX_SINGLE("3D Control - Level", 0, 0x52, 0, 63, 0),
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@ -1316,13 +1316,13 @@ ES18XX_SINGLE("3D Control - Level", 0, 0x52, 0, 63, 0),
}
};
static struct snd_kcontrol_new snd_es18xx_micpre1_control =
static const struct snd_kcontrol_new snd_es18xx_micpre1_control =
ES18XX_SINGLE("Mic Boost (+26dB)", 0, 0xa9, 2, 1, 0);
static struct snd_kcontrol_new snd_es18xx_micpre2_control =
static const struct snd_kcontrol_new snd_es18xx_micpre2_control =
ES18XX_SINGLE("Mic Boost (+26dB)", 0, 0x7d, 3, 1, 0);
static struct snd_kcontrol_new snd_es18xx_hw_volume_controls[] = {
static const struct snd_kcontrol_new snd_es18xx_hw_volume_controls[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Hardware Master Playback Volume",
@ -1340,7 +1340,7 @@ static struct snd_kcontrol_new snd_es18xx_hw_volume_controls[] = {
ES18XX_SINGLE("Hardware Master Volume Split", 0, 0x64, 7, 1, 0),
};
static struct snd_kcontrol_new snd_es18xx_opt_gpo_2bit[] = {
static const struct snd_kcontrol_new snd_es18xx_opt_gpo_2bit[] = {
ES18XX_SINGLE("GPO0 Switch", 0, ES18XX_PM, 0, 1, ES18XX_FL_PMPORT),
ES18XX_SINGLE("GPO1 Switch", 0, ES18XX_PM, 1, 1, ES18XX_FL_PMPORT),
};

4
sound/isa/gus/gus_mixer.c
View File

@ -120,13 +120,13 @@ static int snd_ics_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
return change;
}
static struct snd_kcontrol_new snd_gf1_controls[] = {
static const struct snd_kcontrol_new snd_gf1_controls[] = {
GF1_SINGLE("Master Playback Switch", 0, 1, 1),
GF1_SINGLE("Line Switch", 0, 0, 1),
GF1_SINGLE("Mic Switch", 0, 2, 0)
};
static struct snd_kcontrol_new snd_ics_controls[] = {
static const struct snd_kcontrol_new snd_ics_controls[] = {
GF1_SINGLE("Master Playback Switch", 0, 1, 1),
ICS_DOUBLE("Master Playback Volume", 0, SNDRV_ICS_MASTER_DEV),
ICS_DOUBLE("Synth Playback Volume", 0, SNDRV_ICS_GF1_DEV),

2
sound/isa/msnd/msnd_pinnacle_mixer.c
View File

@ -275,7 +275,7 @@ static int snd_msndmix_volume_put(struct snd_kcontrol *kcontrol,
.private_value = addr }
static struct snd_kcontrol_new snd_msnd_controls[] = {
static const struct snd_kcontrol_new snd_msnd_controls[] = {
DUMMY_VOLUME("Master Volume", 0, MSND_MIXER_VOLUME),
DUMMY_VOLUME("PCM Volume", 0, MSND_MIXER_PCM),
DUMMY_VOLUME("Aux Volume", 0, MSND_MIXER_AUX),

4
sound/isa/opl3sa2.c
View File

@ -457,7 +457,7 @@ static int snd_opl3sa2_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_
static const DECLARE_TLV_DB_SCALE(db_scale_master, -3000, 200, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
static struct snd_kcontrol_new snd_opl3sa2_controls[] = {
static const struct snd_kcontrol_new snd_opl3sa2_controls[] = {
OPL3SA2_DOUBLE("Master Playback Switch", 0, 0x07, 0x08, 7, 7, 1, 1),
OPL3SA2_DOUBLE_TLV("Master Playback Volume", 0, 0x07, 0x08, 0, 0, 15, 1,
db_scale_master),
@ -467,7 +467,7 @@ OPL3SA2_SINGLE_TLV("Mic Playback Volume", 0, 0x09, 0, 31, 1,
OPL3SA2_SINGLE("ZV Port Switch", 0, 0x02, 0, 1, 0),
};
static struct snd_kcontrol_new snd_opl3sa2_tone_controls[] = {
static const struct snd_kcontrol_new snd_opl3sa2_tone_controls[] = {
OPL3SA2_DOUBLE("3D Control - Wide", 0, 0x14, 0x14, 4, 0, 7, 0),
OPL3SA2_DOUBLE("Tone Control - Bass", 0, 0x15, 0x15, 4, 0, 7, 0),
OPL3SA2_DOUBLE("Tone Control - Treble", 0, 0x16, 0x16, 4, 0, 7, 0)

14
sound/isa/opti9xx/miro.c
View File

@ -577,7 +577,7 @@ static int snd_miro_put_double(struct snd_kcontrol *kcontrol,
return change;
}
static struct snd_kcontrol_new snd_miro_controls[] = {
static const struct snd_kcontrol_new snd_miro_controls[] = {
MIRO_DOUBLE("Master Playback Volume", 0, ACI_GET_MASTER, ACI_SET_MASTER),
MIRO_DOUBLE("Mic Playback Volume", 1, ACI_GET_MIC, ACI_SET_MIC),
MIRO_DOUBLE("Line Playback Volume", 1, ACI_GET_LINE, ACI_SET_LINE),
@ -589,7 +589,7 @@ MIRO_DOUBLE("Aux Playback Volume", 2, ACI_GET_LINE2, ACI_SET_LINE2),
/* Equalizer with seven bands (only PCM20)
from -12dB up to +12dB on each band */
static struct snd_kcontrol_new snd_miro_eq_controls[] = {
static const struct snd_kcontrol_new snd_miro_eq_controls[] = {
MIRO_DOUBLE("Tone Control - 28 Hz", 0, ACI_GET_EQ1, ACI_SET_EQ1),
MIRO_DOUBLE("Tone Control - 160 Hz", 0, ACI_GET_EQ2, ACI_SET_EQ2),
MIRO_DOUBLE("Tone Control - 400 Hz", 0, ACI_GET_EQ3, ACI_SET_EQ3),
@ -599,15 +599,15 @@ MIRO_DOUBLE("Tone Control - 6.3 kHz", 0, ACI_GET_EQ6, ACI_SET_EQ6),
MIRO_DOUBLE("Tone Control - 16 kHz", 0, ACI_GET_EQ7, ACI_SET_EQ7),
};
static struct snd_kcontrol_new snd_miro_radio_control[] = {
static const struct snd_kcontrol_new snd_miro_radio_control[] = {
MIRO_DOUBLE("Radio Playback Volume", 0, ACI_GET_LINE1, ACI_SET_LINE1),
};
static struct snd_kcontrol_new snd_miro_line_control[] = {
static const struct snd_kcontrol_new snd_miro_line_control[] = {
MIRO_DOUBLE("Line Playback Volume", 2, ACI_GET_LINE1, ACI_SET_LINE1),
};
static struct snd_kcontrol_new snd_miro_preamp_control[] = {
static const struct snd_kcontrol_new snd_miro_preamp_control[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Mic Boost",
@ -617,7 +617,7 @@ static struct snd_kcontrol_new snd_miro_preamp_control[] = {
.put = snd_miro_put_preamp,
}};
static struct snd_kcontrol_new snd_miro_amp_control[] = {
static const struct snd_kcontrol_new snd_miro_amp_control[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Line Boost",
@ -627,7 +627,7 @@ static struct snd_kcontrol_new snd_miro_amp_control[] = {
.put = snd_miro_put_amp,
}};
static struct snd_kcontrol_new snd_miro_capture_control[] = {
static const struct snd_kcontrol_new snd_miro_capture_control[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Capture Switch",

2
sound/isa/opti9xx/opti92x-ad1848.c
View File

@ -550,7 +550,7 @@ static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_step, -9300, 300, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_4bit_12db_max, -3300, 300, 0);
static struct snd_kcontrol_new snd_opti93x_controls[] = {
static const struct snd_kcontrol_new snd_opti93x_controls[] = {
WSS_DOUBLE("Master Playback Switch", 0,
OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
WSS_DOUBLE_TLV("Master Playback Volume", 0,

14
sound/isa/sb/emu8000.c
View File

@ -855,7 +855,7 @@ static int mixer_bass_treble_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
return change;
}
static struct snd_kcontrol_new mixer_bass_control =
static const struct snd_kcontrol_new mixer_bass_control =
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Synth Tone Control - Bass",
@ -865,7 +865,7 @@ static struct snd_kcontrol_new mixer_bass_control =
.private_value = 0,
};
static struct snd_kcontrol_new mixer_treble_control =
static const struct snd_kcontrol_new mixer_treble_control =
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Synth Tone Control - Treble",
@ -922,7 +922,7 @@ static int mixer_chorus_reverb_put(struct snd_kcontrol *kcontrol, struct snd_ctl
return change;
}
static struct snd_kcontrol_new mixer_chorus_mode_control =
static const struct snd_kcontrol_new mixer_chorus_mode_control =
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Chorus Mode",
@ -932,7 +932,7 @@ static struct snd_kcontrol_new mixer_chorus_mode_control =
.private_value = 1,
};
static struct snd_kcontrol_new mixer_reverb_mode_control =
static const struct snd_kcontrol_new mixer_reverb_mode_control =
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Reverb Mode",
@ -984,7 +984,7 @@ static int mixer_fm_depth_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
return change;
}
static struct snd_kcontrol_new mixer_fm_chorus_depth_control =
static const struct snd_kcontrol_new mixer_fm_chorus_depth_control =
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "FM Chorus Depth",
@ -994,7 +994,7 @@ static struct snd_kcontrol_new mixer_fm_chorus_depth_control =
.private_value = 1,
};
static struct snd_kcontrol_new mixer_fm_reverb_depth_control =
static const struct snd_kcontrol_new mixer_fm_reverb_depth_control =
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "FM Reverb Depth",
@ -1005,7 +1005,7 @@ static struct snd_kcontrol_new mixer_fm_reverb_depth_control =
};
static struct snd_kcontrol_new *mixer_defs[EMU8000_NUM_CONTROLS] = {
static const struct snd_kcontrol_new *mixer_defs[EMU8000_NUM_CONTROLS] = {
&mixer_bass_control,
&mixer_treble_control,
&mixer_chorus_mode_control,

2
sound/isa/sb/sb_mixer.c
View File

@ -438,7 +438,7 @@ static int snd_sb16mixer_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_
*/
int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
{
static struct snd_kcontrol_new newctls[] = {
static const struct snd_kcontrol_new newctls[] = {
[SB_MIX_SINGLE] = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = snd_sbmixer_info_single,

2
sound/isa/wss/wss_lib.c
View File

@ -2157,7 +2157,7 @@ static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
static struct snd_kcontrol_new snd_wss_controls[] = {
static const struct snd_kcontrol_new snd_wss_controls[] = {
WSS_DOUBLE("PCM Playback Switch", 0,
CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
WSS_DOUBLE_TLV("PCM Playback Volume", 0,