ALSA: declare snd_kcontrol_new structures as const
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>
diff --git a/sound/aoa/codecs/tas.c b/sound/aoa/codecs/tas.c
index 78ed1ff..733b636 100644
--- a/sound/aoa/codecs/tas.c
+++ b/sound/aoa/codecs/tas.c
@@ -271,7 +271,7 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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,
diff --git a/sound/aoa/fabrics/layout.c b/sound/aoa/fabrics/layout.c
index a0c4a5d..1eddf8f 100644
--- a/sound/aoa/fabrics/layout.c
+++ b/sound/aoa/fabrics/layout.c
@@ -707,7 +707,7 @@
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 @@
.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 @@
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 @@
.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,
diff --git a/sound/core/ctljack.c b/sound/core/ctljack.c
index 84a3cd6..0249d5e 100644
--- a/sound/core/ctljack.c
+++ b/sound/core/ctljack.c
@@ -23,7 +23,7 @@
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,
diff --git a/sound/drivers/vx/vx_mixer.c b/sound/drivers/vx/vx_mixer.c
index be9477e..98a41ac 100644
--- a/sound/drivers/vx/vx_mixer.c
+++ b/sound/drivers/vx/vx_mixer.c
@@ -455,7 +455,7 @@
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 @@
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 @@
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 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 @@
.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 @@
.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 @@
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 @@
.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 @@
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 @@
.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 @@
.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,
diff --git a/sound/firewire/bebob/bebob_maudio.c b/sound/firewire/bebob/bebob_maudio.c
index 07e5abd..d10208f 100644
--- a/sound/firewire/bebob/bebob_maudio.c
+++ b/sound/firewire/bebob/bebob_maudio.c
@@ -396,7 +396,7 @@
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 @@
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 @@
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 @@
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,
diff --git a/sound/mips/hal2.c b/sound/mips/hal2.c
index 684dc4d..6505deb 100644
--- a/sound/mips/hal2.c
+++ b/sound/mips/hal2.c
@@ -264,7 +264,7 @@
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 @@
.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,
diff --git a/sound/mips/sgio2audio.c b/sound/mips/sgio2audio.c
index f07aa39..0ebc1c3 100644
--- a/sound/mips/sgio2audio.c
+++ b/sound/mips/sgio2audio.c
@@ -230,7 +230,7 @@
}
/* 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 @@
};
/* 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 @@
};
/* 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 @@
};
/* 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 @@
};
/* 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 @@
};
/* 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 @@
};
/* 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,
diff --git a/sound/pcmcia/vx/vxp_mixer.c b/sound/pcmcia/vx/vxp_mixer.c
index 1ca3eef..304b153 100644
--- a/sound/pcmcia/vx/vxp_mixer.c
+++ b/sound/pcmcia/vx/vxp_mixer.c
@@ -69,7 +69,7 @@
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 @@
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,
diff --git a/sound/ppc/awacs.c b/sound/ppc/awacs.c
index 1468e4b..d1e4ef1 100644
--- a/sound/ppc/awacs.c
+++ b/sound/ppc/awacs.c
@@ -514,7 +514,7 @@
},
};
-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 @@
.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,
diff --git a/sound/ppc/beep.c b/sound/ppc/beep.c
index d3524f9..f19eb3e 100644
--- a/sound/ppc/beep.c
+++ b/sound/ppc/beep.c
@@ -206,7 +206,7 @@
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,
diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c
index 58ee808..0779a29 100644
--- a/sound/ppc/tumbler.c
+++ b/sound/ppc/tumbler.c
@@ -897,7 +897,7 @@
},
};
-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 @@
.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 @@
.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 @@
.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,
diff --git a/sound/sh/aica.c b/sound/sh/aica.c
index fbbc252..ab4802d 100644
--- a/sound/sh/aica.c
+++ b/sound/sh/aica.c
@@ -535,7 +535,7 @@
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 @@
.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,
diff --git a/sound/soc/sh/siu_dai.c b/sound/soc/sh/siu_dai.c
index 76b2ab8..4a22aad 100644
--- a/sound/soc/sh/siu_dai.c
+++ b/sound/soc/sh/siu_dai.c
@@ -441,7 +441,7 @@
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 @@
.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,
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 4fa0053..e3d1dec 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -362,7 +362,7 @@
}
/* 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,