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ALSA: declare snd_kcontrol_new structures as const

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Declare snd_kcontrol_new structures as const as they are only passed an
argument to the function snd_ctl_new1. This argument is of type const,
so snd_kcontrol_new structures having this property can be made const.
Done using Coccinelle:

@r disable optional_qualifier@
identifier x;
position p;
@@
static struct snd_kcontrol_new x@p={...};

@ok@
identifier r.x;
position p;
@@
snd_ctl_new1(&x@p,...)

@bad@
position p != {r.p,ok.p};
identifier r.x;
@@
x@p

@depends on !bad disable optional_qualifier@
identifier r.x;
@@
+const
struct snd_kcontrol_new x;

Cross compiled these files:
sound/aoa/codecs/tas.c - powerpc
sound/mips/{hal2.c/sgio2audio.c} - mips
sound/ppc/{awacs.c/beep.c/tumbler.c} - powerpc
sound/soc/sh/siu_dai.c - sh
Could not find an architecture to compile sound/sh/aica.c.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Bhumika Goyal 2017-05-27 20:16:15 +05:30 committed by Takashi Iwai
parent 2c4842d3b6
commit 905e46acd3
14 changed files with 51 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
sound/aoa/codecs/tas.c
View File

@ -271,7 +271,7 @@ static int tas_snd_vol_put(struct snd_kcontrol *kcontrol,
return 1;
}
static struct snd_kcontrol_new volume_control = {
static const struct snd_kcontrol_new volume_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Master Playback Volume",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@ -314,7 +314,7 @@ static int tas_snd_mute_put(struct snd_kcontrol *kcontrol,
return 1;
}
static struct snd_kcontrol_new mute_control = {
static const struct snd_kcontrol_new mute_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Master Playback Switch",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@ -426,7 +426,7 @@ static int tas_snd_drc_range_put(struct snd_kcontrol *kcontrol,
return 1;
}
static struct snd_kcontrol_new drc_range_control = {
static const struct snd_kcontrol_new drc_range_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "DRC Range",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@ -466,7 +466,7 @@ static int tas_snd_drc_switch_put(struct snd_kcontrol *kcontrol,
return 1;
}
static struct snd_kcontrol_new drc_switch_control = {
static const struct snd_kcontrol_new drc_switch_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "DRC Range Switch",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@ -524,7 +524,7 @@ static int tas_snd_capture_source_put(struct snd_kcontrol *kcontrol,
return 1;
}
static struct snd_kcontrol_new capture_source_control = {
static const struct snd_kcontrol_new capture_source_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
/* If we name this 'Input Source', it properly shows up in
* alsamixer as a selection, * but it's shown under the
@ -586,7 +586,7 @@ static int tas_snd_treble_put(struct snd_kcontrol *kcontrol,
return 1;
}
static struct snd_kcontrol_new treble_control = {
static const struct snd_kcontrol_new treble_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Treble",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@ -637,7 +637,7 @@ static int tas_snd_bass_put(struct snd_kcontrol *kcontrol,
return 1;
}
static struct snd_kcontrol_new bass_control = {
static const struct snd_kcontrol_new bass_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Bass",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,

8
sound/aoa/fabrics/layout.c
View File

@ -707,7 +707,7 @@ static int detect_choice_put(struct snd_kcontrol *kcontrol,
return 1;
}
static struct snd_kcontrol_new headphone_detect_choice = {
static const struct snd_kcontrol_new headphone_detect_choice = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Headphone Detect Autoswitch",
.info = control_info,
@ -717,7 +717,7 @@ static struct snd_kcontrol_new headphone_detect_choice = {
.private_value = 0,
};
static struct snd_kcontrol_new lineout_detect_choice = {
static const struct snd_kcontrol_new lineout_detect_choice = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Line-Out Detect Autoswitch",
.info = control_info,
@ -749,7 +749,7 @@ static int detected_get(struct snd_kcontrol *kcontrol,
return 0;
}
static struct snd_kcontrol_new headphone_detected = {
static const struct snd_kcontrol_new headphone_detected = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Headphone Detected",
.info = control_info,
@ -758,7 +758,7 @@ static struct snd_kcontrol_new headphone_detected = {
.private_value = 0,
};
static struct snd_kcontrol_new lineout_detected = {
static const struct snd_kcontrol_new lineout_detected = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Line-Out Detected",
.info = control_info,

2
sound/core/ctljack.c
View File

@ -23,7 +23,7 @@ static int jack_detect_kctl_get(struct snd_kcontrol *kcontrol,
return 0;
}
static struct snd_kcontrol_new jack_detect_kctl = {
static const struct snd_kcontrol_new jack_detect_kctl = {
/* name is filled later */
.iface = SNDRV_CTL_ELEM_IFACE_CARD,
.access = SNDRV_CTL_ELEM_ACCESS_READ,

24
sound/drivers/vx/vx_mixer.c
View File

@ -455,7 +455,7 @@ static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ele
return 0;
}
static struct snd_kcontrol_new vx_control_output_level = {
static const struct snd_kcontrol_new vx_control_output_level = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
@ -514,7 +514,7 @@ static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
return 0;
}
static struct snd_kcontrol_new vx_control_audio_src = {
static const struct snd_kcontrol_new vx_control_audio_src = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Source",
.info = vx_audio_src_info,
@ -558,7 +558,7 @@ static int vx_clock_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
return 0;
}
static struct snd_kcontrol_new vx_control_clock_mode = {
static const struct snd_kcontrol_new vx_control_clock_mode = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Clock Mode",
.info = vx_clock_mode_info,
@ -717,7 +717,7 @@ static int vx_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
static const DECLARE_TLV_DB_SCALE(db_scale_audio_gain, -10975, 25, 0);
static struct snd_kcontrol_new vx_control_audio_gain = {
static const struct snd_kcontrol_new vx_control_audio_gain = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
@ -727,14 +727,14 @@ static struct snd_kcontrol_new vx_control_audio_gain = {
.put = vx_audio_gain_put,
.tlv = { .p = db_scale_audio_gain },
};
static struct snd_kcontrol_new vx_control_output_switch = {
static const struct snd_kcontrol_new vx_control_output_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Playback Switch",
.info = vx_audio_sw_info,
.get = vx_audio_sw_get,
.put = vx_audio_sw_put
};
static struct snd_kcontrol_new vx_control_monitor_gain = {
static const struct snd_kcontrol_new vx_control_monitor_gain = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitoring Volume",
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
@ -744,7 +744,7 @@ static struct snd_kcontrol_new vx_control_monitor_gain = {
.put = vx_audio_monitor_put,
.tlv = { .p = db_scale_audio_gain },
};
static struct snd_kcontrol_new vx_control_monitor_switch = {
static const struct snd_kcontrol_new vx_control_monitor_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitoring Switch",
.info = vx_audio_sw_info, /* shared */
@ -805,7 +805,7 @@ static int vx_iec958_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_valu
return 0;
}
static struct snd_kcontrol_new vx_control_iec958_mask = {
static const struct snd_kcontrol_new vx_control_iec958_mask = {
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
@ -813,7 +813,7 @@ static struct snd_kcontrol_new vx_control_iec958_mask = {
.get = vx_iec958_mask_get,
};
static struct snd_kcontrol_new vx_control_iec958 = {
static const struct snd_kcontrol_new vx_control_iec958 = {
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
.info = vx_iec958_info,
@ -878,7 +878,7 @@ static int vx_saturation_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
return 0;
}
static struct snd_kcontrol_new vx_control_vu_meter = {
static const struct snd_kcontrol_new vx_control_vu_meter = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
/* name will be filled later */
@ -886,7 +886,7 @@ static struct snd_kcontrol_new vx_control_vu_meter = {
.get = vx_vu_meter_get,
};
static struct snd_kcontrol_new vx_control_peak_meter = {
static const struct snd_kcontrol_new vx_control_peak_meter = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
/* name will be filled later */
@ -894,7 +894,7 @@ static struct snd_kcontrol_new vx_control_peak_meter = {
.get = vx_peak_meter_get,
};
static struct snd_kcontrol_new vx_control_saturation = {
static const struct snd_kcontrol_new vx_control_saturation = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Input Saturation",
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,

8
sound/firewire/bebob/bebob_maudio.c
View File

@ -396,7 +396,7 @@ static int special_clk_ctl_put(struct snd_kcontrol *kctl,
return err;
}
static struct snd_kcontrol_new special_clk_ctl = {
static const struct snd_kcontrol_new special_clk_ctl = {
.name = "Clock Source",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@ -429,7 +429,7 @@ static int special_sync_ctl_get(struct snd_kcontrol *kctl,
return 0;
}
static struct snd_kcontrol_new special_sync_ctl = {
static const struct snd_kcontrol_new special_sync_ctl = {
.name = "Sync Status",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READ,
@ -521,7 +521,7 @@ end:
mutex_unlock(&bebob->mutex);
return err;
}
static struct snd_kcontrol_new special_dig_in_iface_ctl = {
static const struct snd_kcontrol_new special_dig_in_iface_ctl = {
.name = "Digital Input Interface",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@ -577,7 +577,7 @@ static int special_dig_out_iface_ctl_set(struct snd_kcontrol *kctl,
mutex_unlock(&bebob->mutex);
return err;
}
static struct snd_kcontrol_new special_dig_out_iface_ctl = {
static const struct snd_kcontrol_new special_dig_out_iface_ctl = {
.name = "Digital Output Interface",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,

4
sound/mips/hal2.c
View File

@ -264,7 +264,7 @@ static int hal2_gain_put(struct snd_kcontrol *kcontrol,
return old != new;
}
static struct snd_kcontrol_new hal2_ctrl_headphone = {
static const struct snd_kcontrol_new hal2_ctrl_headphone = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Headphone Playback Volume",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@ -274,7 +274,7 @@ static struct snd_kcontrol_new hal2_ctrl_headphone = {
.put = hal2_gain_put,
};
static struct snd_kcontrol_new hal2_ctrl_mic = {
static const struct snd_kcontrol_new hal2_ctrl_mic = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Mic Capture Volume",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,

14
sound/mips/sgio2audio.c
View File

@ -230,7 +230,7 @@ static int sgio2audio_source_put(struct snd_kcontrol *kcontrol,
}
/* dac1/pcm0 mixer control */
static struct snd_kcontrol_new sgio2audio_ctrl_pcm0 = {
static const struct snd_kcontrol_new sgio2audio_ctrl_pcm0 = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Playback Volume",
.index = 0,
@ -242,7 +242,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_pcm0 = {
};
/* dac2/pcm1 mixer control */
static struct snd_kcontrol_new sgio2audio_ctrl_pcm1 = {
static const struct snd_kcontrol_new sgio2audio_ctrl_pcm1 = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Playback Volume",
.index = 1,
@ -254,7 +254,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_pcm1 = {
};
/* record level mixer control */
static struct snd_kcontrol_new sgio2audio_ctrl_reclevel = {
static const struct snd_kcontrol_new sgio2audio_ctrl_reclevel = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Volume",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@ -265,7 +265,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_reclevel = {
};
/* record level source control */
static struct snd_kcontrol_new sgio2audio_ctrl_recsource = {
static const struct snd_kcontrol_new sgio2audio_ctrl_recsource = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Source",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@ -275,7 +275,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_recsource = {
};
/* line mixer control */
static struct snd_kcontrol_new sgio2audio_ctrl_line = {
static const struct snd_kcontrol_new sgio2audio_ctrl_line = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Line Playback Volume",
.index = 0,
@ -287,7 +287,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_line = {
};
/* cd mixer control */
static struct snd_kcontrol_new sgio2audio_ctrl_cd = {
static const struct snd_kcontrol_new sgio2audio_ctrl_cd = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Line Playback Volume",
.index = 1,
@ -299,7 +299,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_cd = {
};
/* mic mixer control */
static struct snd_kcontrol_new sgio2audio_ctrl_mic = {
static const struct snd_kcontrol_new sgio2audio_ctrl_mic = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Mic Playback Volume",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,

4
sound/pcmcia/vx/vxp_mixer.c
View File

@ -69,7 +69,7 @@ static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
static const DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0);
static struct snd_kcontrol_new vx_control_mic_level = {
static const struct snd_kcontrol_new vx_control_mic_level = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
@ -109,7 +109,7 @@ static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
return 0;
}
static struct snd_kcontrol_new vx_control_mic_boost = {
static const struct snd_kcontrol_new vx_control_mic_boost = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Mic Boost",
.info = vx_mic_boost_info,

4
sound/ppc/awacs.c
View File

@ -514,7 +514,7 @@ static struct snd_kcontrol_new snd_pmac_awacs_amp_vol[] = {
},
};
static struct snd_kcontrol_new snd_pmac_awacs_amp_hp_sw = {
static const struct snd_kcontrol_new snd_pmac_awacs_amp_hp_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Headphone Playback Switch",
.info = snd_pmac_boolean_stereo_info,
@ -523,7 +523,7 @@ static struct snd_kcontrol_new snd_pmac_awacs_amp_hp_sw = {
.private_value = AMP_CH_HD,
};
static struct snd_kcontrol_new snd_pmac_awacs_amp_spk_sw = {
static const struct snd_kcontrol_new snd_pmac_awacs_amp_spk_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Speaker Playback Switch",
.info = snd_pmac_boolean_stereo_info,

2
sound/ppc/beep.c
View File

@ -206,7 +206,7 @@ static int snd_pmac_put_beep(struct snd_kcontrol *kcontrol,
return oval != chip->beep->volume;
}
static struct snd_kcontrol_new snd_pmac_beep_mixer = {
static const struct snd_kcontrol_new snd_pmac_beep_mixer = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Beep Playback Volume",
.info = snd_pmac_info_beep,

8
sound/ppc/tumbler.c
View File

@ -897,7 +897,7 @@ static struct snd_kcontrol_new snapper_mixers[] = {
},
};
static struct snd_kcontrol_new tumbler_hp_sw = {
static const struct snd_kcontrol_new tumbler_hp_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Headphone Playback Switch",
.info = snd_pmac_boolean_mono_info,
@ -905,7 +905,7 @@ static struct snd_kcontrol_new tumbler_hp_sw = {
.put = tumbler_put_mute_switch,
.private_value = TUMBLER_MUTE_HP,
};
static struct snd_kcontrol_new tumbler_speaker_sw = {
static const struct snd_kcontrol_new tumbler_speaker_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Speaker Playback Switch",
.info = snd_pmac_boolean_mono_info,
@ -913,7 +913,7 @@ static struct snd_kcontrol_new tumbler_speaker_sw = {
.put = tumbler_put_mute_switch,
.private_value = TUMBLER_MUTE_AMP,
};
static struct snd_kcontrol_new tumbler_lineout_sw = {
static const struct snd_kcontrol_new tumbler_lineout_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Line Out Playback Switch",
.info = snd_pmac_boolean_mono_info,
@ -921,7 +921,7 @@ static struct snd_kcontrol_new tumbler_lineout_sw = {
.put = tumbler_put_mute_switch,
.private_value = TUMBLER_MUTE_LINE,
};
static struct snd_kcontrol_new tumbler_drc_sw = {
static const struct snd_kcontrol_new tumbler_drc_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "DRC Switch",
.info = snd_pmac_boolean_mono_info,

4
sound/sh/aica.c
View File

@ -535,7 +535,7 @@ static int aica_pcmvolume_put(struct snd_kcontrol *kcontrol,
return 1;
}
static struct snd_kcontrol_new snd_aica_pcmswitch_control = {
static const struct snd_kcontrol_new snd_aica_pcmswitch_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Playback Switch",
.index = 0,
@ -544,7 +544,7 @@ static struct snd_kcontrol_new snd_aica_pcmswitch_control = {
.put = aica_pcmswitch_put
};
static struct snd_kcontrol_new snd_aica_pcmvolume_control = {
static const struct snd_kcontrol_new snd_aica_pcmvolume_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Playback Volume",
.index = 0,

4
sound/soc/sh/siu_dai.c
View File

@ -441,7 +441,7 @@ static int siu_dai_put_volume(struct snd_kcontrol *kctrl,
return 0;
}
static struct snd_kcontrol_new playback_controls = {
static const struct snd_kcontrol_new playback_controls = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Playback Volume",
.index = 0,
@ -451,7 +451,7 @@ static struct snd_kcontrol_new playback_controls = {
.private_value = VOLUME_PLAYBACK,
};
static struct snd_kcontrol_new capture_controls = {
static const struct snd_kcontrol_new capture_controls = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Capture Volume",
.index = 0,

2
sound/usb/mixer_quirks.c
View File

@ -362,7 +362,7 @@ static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
}
/* name and private_value are set dynamically */
static struct snd_kcontrol_new snd_audigy2nx_control = {
static const struct snd_kcontrol_new snd_audigy2nx_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = snd_audigy2nx_led_info,
.get = snd_audigy2nx_led_get,