diff options
Diffstat (limited to 'sound/isa/gus/gus_mixer.c')
| -rw-r--r-- | sound/isa/gus/gus_mixer.c | 41 |
1 files changed, 11 insertions, 30 deletions
diff --git a/sound/isa/gus/gus_mixer.c b/sound/isa/gus/gus_mixer.c index 3b5d9a7a63eb..9bfdb4e45a5d 100644 --- a/sound/isa/gus/gus_mixer.c +++ b/sound/isa/gus/gus_mixer.c @@ -1,22 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * Routines for control of ICS 2101 chip and "mixer" in GF1 chip - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/time.h> @@ -52,7 +37,6 @@ static int snd_gf1_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem static int snd_gf1_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); - unsigned long flags; int shift = kcontrol->private_value & 0xff; int invert = (kcontrol->private_value >> 8) & 1; int change; @@ -62,13 +46,12 @@ static int snd_gf1_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem if (invert) nval ^= 1; nval <<= shift; - spin_lock_irqsave(&gus->reg_lock, flags); + guard(spinlock_irqsave)(&gus->reg_lock); oval = gus->mix_cntrl_reg; nval = (oval & ~(1 << shift)) | nval; change = nval != oval; outb(gus->mix_cntrl_reg = nval, GUSP(gus, MIXCNTRLREG)); outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE)); - spin_unlock_irqrestore(&gus->reg_lock, flags); return change; } @@ -90,14 +73,12 @@ static int snd_ics_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_ele static int snd_ics_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); - unsigned long flags; int addr = kcontrol->private_value & 0xff; unsigned char left, right; - spin_lock_irqsave(&gus->reg_lock, flags); + guard(spinlock_irqsave)(&gus->reg_lock); left = gus->gf1.ics_regs[addr][0]; right = gus->gf1.ics_regs[addr][1]; - spin_unlock_irqrestore(&gus->reg_lock, flags); ucontrol->value.integer.value[0] = left & 127; ucontrol->value.integer.value[1] = right & 127; return 0; @@ -106,14 +87,13 @@ static int snd_ics_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem static int snd_ics_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); - unsigned long flags; int addr = kcontrol->private_value & 0xff; int change; unsigned char val1, val2, oval1, oval2; val1 = ucontrol->value.integer.value[0] & 127; val2 = ucontrol->value.integer.value[1] & 127; - spin_lock_irqsave(&gus->reg_lock, flags); + guard(spinlock_irqsave)(&gus->reg_lock); oval1 = gus->gf1.ics_regs[addr][0]; oval2 = gus->gf1.ics_regs[addr][1]; change = val1 != oval1 || val2 != oval2; @@ -131,17 +111,16 @@ static int snd_ics_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem outb(2, GUSP(gus, MIXDATAPORT)); outb(addr | 3, GUSP(gus, MIXCNTRLPORT)); outb((unsigned char) val2, GUSP(gus, MIXDATAPORT)); - spin_unlock_irqrestore(&gus->reg_lock, flags); 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), @@ -167,7 +146,7 @@ int snd_gf1_new_mixer(struct snd_gus_card * gus) if (gus->ics_flag) snd_component_add(card, "ICS2101"); if (card->mixername[0] == '\0') { - strcpy(card->mixername, gus->ics_flag ? "GF1,ICS2101" : "GF1"); + strscpy(card->mixername, gus->ics_flag ? "GF1,ICS2101" : "GF1"); } else { if (gus->ics_flag) strcat(card->mixername, ",ICS2101"); @@ -177,12 +156,14 @@ int snd_gf1_new_mixer(struct snd_gus_card * gus) if (!gus->ics_flag) { max = gus->ess_flag ? 1 : ARRAY_SIZE(snd_gf1_controls); for (idx = 0; idx < max; idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_gf1_controls[idx], gus))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_gf1_controls[idx], gus)); + if (err < 0) return err; } } else { for (idx = 0; idx < ARRAY_SIZE(snd_ics_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ics_controls[idx], gus))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_ics_controls[idx], gus)); + if (err < 0) return err; } } |