diff options
Diffstat (limited to 'sound/pci/ac97/ac97_codec.c')
| -rw-r--r-- | sound/pci/ac97/ac97_codec.c | 431 |
1 files changed, 243 insertions, 188 deletions
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 445ca481d8d3..c54bdefa5afe 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -1,25 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * Universal interface for Audio Codec '97 * * For more details look to AC '97 component specification revision 2.2 * by Intel Corporation (http://developer.intel.com). - * - * - * 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/delay.h> @@ -167,7 +152,6 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = { { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix -{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL }, { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, @@ -175,7 +159,9 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = { { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] +{ 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL }, { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, +{ 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL }, { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, @@ -213,6 +199,12 @@ static void update_power_regs(struct snd_ac97 *ac97); #define ac97_is_power_save_mode(ac97) 0 #endif +#define ac97_err(ac97, fmt, args...) \ + dev_err((ac97)->bus->card->dev, fmt, ##args) +#define ac97_warn(ac97, fmt, args...) \ + dev_warn((ac97)->bus->card->dev, fmt, ##args) +#define ac97_dbg(ac97, fmt, args...) \ + dev_dbg((ac97)->bus->card->dev, fmt, ##args) /* * I/O routines @@ -225,11 +217,11 @@ static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) case AC97_ID_ST_AC97_ID4: if (reg == 0x08) return 0; - /* fall through */ + fallthrough; case AC97_ID_ST7597: if (reg == 0x22 || reg == 0x7a) return 1; - /* fall through */ + fallthrough; case AC97_ID_AK4540: case AC97_ID_AK4542: if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) @@ -334,11 +326,10 @@ void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned sh { if (!snd_ac97_valid_reg(ac97, reg)) return; - mutex_lock(&ac97->reg_mutex); + guard(mutex)(&ac97->reg_mutex); ac97->regs[reg] = value; ac97->bus->ops->write(ac97, reg, value); set_bit(reg, ac97->reg_accessed); - mutex_unlock(&ac97->reg_mutex); } EXPORT_SYMBOL(snd_ac97_write_cache); @@ -361,14 +352,13 @@ int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short va if (!snd_ac97_valid_reg(ac97, reg)) return -EINVAL; - mutex_lock(&ac97->reg_mutex); + guard(mutex)(&ac97->reg_mutex); change = ac97->regs[reg] != value; if (change) { ac97->regs[reg] = value; ac97->bus->ops->write(ac97, reg, value); } set_bit(reg, ac97->reg_accessed); - mutex_unlock(&ac97->reg_mutex); return change; } @@ -389,14 +379,10 @@ EXPORT_SYMBOL(snd_ac97_update); */ int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) { - int change; - if (!snd_ac97_valid_reg(ac97, reg)) return -EINVAL; - mutex_lock(&ac97->reg_mutex); - change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); - mutex_unlock(&ac97->reg_mutex); - return change; + guard(mutex)(&ac97->reg_mutex); + return snd_ac97_update_bits_nolock(ac97, reg, mask, value); } EXPORT_SYMBOL(snd_ac97_update_bits); @@ -424,12 +410,12 @@ static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, uns int change; unsigned short old, new, cfg; - mutex_lock(&ac97->page_mutex); + guard(mutex)(&ac97->page_mutex); old = ac97->spec.ad18xx.pcmreg[codec]; new = (old & ~mask) | (value & mask); change = old != new; if (change) { - mutex_lock(&ac97->reg_mutex); + guard(mutex)(&ac97->reg_mutex); cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); ac97->spec.ad18xx.pcmreg[codec] = new; /* select single codec */ @@ -441,9 +427,7 @@ static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, uns /* select all codecs */ ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, cfg | 0x7000); - mutex_unlock(&ac97->reg_mutex); } - mutex_unlock(&ac97->page_mutex); return change; } @@ -456,14 +440,8 @@ static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, { struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = e->shift_l == e->shift_r ? 1 : 2; - uinfo->value.enumerated.items = e->mask; - - if (uinfo->value.enumerated.item > e->mask - 1) - uinfo->value.enumerated.item = e->mask - 1; - strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); - return 0; + return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2, + e->mask, e->texts); } static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, @@ -609,11 +587,6 @@ static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, return err; } -static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { -AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), -AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) -}; - static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) @@ -735,12 +708,11 @@ static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ { struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); - mutex_lock(&ac97->reg_mutex); + guard(mutex)(&ac97->reg_mutex); ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; - mutex_unlock(&ac97->reg_mutex); return 0; } @@ -779,7 +751,7 @@ static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ } } - mutex_lock(&ac97->reg_mutex); + guard(mutex)(&ac97->reg_mutex); change = ac97->spdif_status != new; ac97->spdif_status = new; @@ -813,7 +785,6 @@ static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ } } - mutex_unlock(&ac97->reg_mutex); return change; } @@ -822,7 +793,7 @@ static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ { struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); int reg = kcontrol->private_value & 0xff; - int shift = (kcontrol->private_value >> 8) & 0xff; + int shift = (kcontrol->private_value >> 8) & 0x0f; int mask = (kcontrol->private_value >> 16) & 0xff; // int invert = (kcontrol->private_value >> 24) & 0xff; unsigned short value, old, new; @@ -830,7 +801,7 @@ static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ value = (ucontrol->value.integer.value[0] & mask); - mutex_lock(&ac97->reg_mutex); + guard(mutex)(&ac97->reg_mutex); mask <<= shift; value <<= shift; old = snd_ac97_read_cache(ac97, reg); @@ -844,7 +815,6 @@ static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ if (extst & AC97_EA_SPDIF) snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ } - mutex_unlock(&ac97->reg_mutex); return change; } @@ -955,10 +925,9 @@ static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); int codec = kcontrol->private_value & 3; - mutex_lock(&ac97->page_mutex); - ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); - ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); - mutex_unlock(&ac97->page_mutex); + guard(mutex)(&ac97->page_mutex); + ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); + ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); return 0; } @@ -1304,15 +1273,17 @@ static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, if (snd_ac97_try_bit(ac97, reg, 15)) { sprintf(name, "%s Switch", pfx); - if ((err = snd_ac97_cmute_new_stereo(card, name, reg, - check_stereo, check_amix, - ac97)) < 0) + err = snd_ac97_cmute_new_stereo(card, name, reg, + check_stereo, check_amix, + ac97); + if (err < 0) return err; } check_volume_resolution(ac97, reg, &lo_max, &hi_max); if (lo_max) { sprintf(name, "%s Volume", pfx); - if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) + err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97); + if (err < 0) return err; } return 0; @@ -1351,9 +1322,11 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) /* build center controls */ if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) && !(ac97->flags & AC97_AD_MULTI)) { - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97)); + if (err < 0) return err; - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) + err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97)); + if (err < 0) return err; snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); kctl->private_value &= ~(0xff << 16); @@ -1365,9 +1338,11 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) /* build LFE controls */ if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) && !(ac97->flags & AC97_AD_MULTI)) { - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97)); + if (err < 0) return err; - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) + err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97)); + if (err < 0) return err; snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); kctl->private_value &= ~(0xff << 16); @@ -1380,23 +1355,26 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) && !(ac97->flags & AC97_AD_MULTI)) { /* Surround Master (0x38) is with stereo mutes */ - if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", - AC97_SURROUND_MASTER, 1, 0, - ac97)) < 0) + err = snd_ac97_cmix_new_stereo(card, "Surround Playback", + AC97_SURROUND_MASTER, 1, 0, + ac97); + if (err < 0) return err; } /* build headphone controls */ if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { - if ((err = snd_ac97_cmix_new(card, "Headphone Playback", - AC97_HEADPHONE, 0, ac97)) < 0) + err = snd_ac97_cmix_new(card, "Headphone Playback", + AC97_HEADPHONE, 0, ac97); + if (err < 0) return err; } /* build master mono controls */ if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { - if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", - AC97_MASTER_MONO, 0, ac97)) < 0) + err = snd_ac97_cmix_new(card, "Master Mono Playback", + AC97_MASTER_MONO, 0, ac97); + if (err < 0) return err; } @@ -1404,7 +1382,9 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) if (!(ac97->flags & AC97_HAS_NO_TONE)) { if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { for (idx = 0; idx < 2; idx++) { - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) + kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; if (ac97->id == AC97_ID_YMF743 || ac97->id == AC97_ID_YMF753) { @@ -1420,9 +1400,12 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && ((ac97->flags & AC97_HAS_PC_BEEP) || snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { - for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) + for (idx = 0; idx < 2; idx++) { + kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; + } set_tlv_db_scale(kctl, db_scale_4bit); snd_ac97_write_cache( ac97, @@ -1435,8 +1418,9 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) /* build Phone controls */ if (!(ac97->flags & AC97_HAS_NO_PHONE)) { if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { - if ((err = snd_ac97_cmix_new(card, "Phone Playback", - AC97_PHONE, 1, ac97)) < 0) + err = snd_ac97_cmix_new(card, "Phone Playback", + AC97_PHONE, 1, ac97); + if (err < 0) return err; } } @@ -1444,26 +1428,30 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) /* build MIC controls */ if (!(ac97->flags & AC97_HAS_NO_MIC)) { if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { - if ((err = snd_ac97_cmix_new(card, "Mic Playback", - AC97_MIC, 1, ac97)) < 0) + err = snd_ac97_cmix_new(card, "Mic Playback", + AC97_MIC, 1, ac97); + if (err < 0) return err; - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97)); + if (err < 0) return err; } } /* build Line controls */ if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { - if ((err = snd_ac97_cmix_new(card, "Line Playback", - AC97_LINE, 1, ac97)) < 0) + err = snd_ac97_cmix_new(card, "Line Playback", + AC97_LINE, 1, ac97); + if (err < 0) return err; } /* build CD controls */ if (!(ac97->flags & AC97_HAS_NO_CD)) { if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { - if ((err = snd_ac97_cmix_new(card, "CD Playback", - AC97_CD, 1, ac97)) < 0) + err = snd_ac97_cmix_new(card, "CD Playback", + AC97_CD, 1, ac97); + if (err < 0) return err; } } @@ -1471,8 +1459,9 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) /* build Video controls */ if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { - if ((err = snd_ac97_cmix_new(card, "Video Playback", - AC97_VIDEO, 1, ac97)) < 0) + err = snd_ac97_cmix_new(card, "Video Playback", + AC97_VIDEO, 1, ac97); + if (err < 0) return err; } } @@ -1480,8 +1469,9 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) /* build Aux controls */ if (!(ac97->flags & AC97_HAS_NO_AUX)) { if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { - if ((err = snd_ac97_cmix_new(card, "Aux Playback", - AC97_AUX, 1, ac97)) < 0) + err = snd_ac97_cmix_new(card, "Aux Playback", + AC97_AUX, 1, ac97); + if (err < 0) return err; } } @@ -1493,26 +1483,38 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) init_val = 0x9f9f; else init_val = 0x9f1f; - for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) + for (idx = 0; idx < 2; idx++) { + kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; + } set_tlv_db_scale(kctl, db_scale_5bit); ac97->spec.ad18xx.pcmreg[0] = init_val; if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { - for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) + for (idx = 0; idx < 2; idx++) { + kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; + } set_tlv_db_scale(kctl, db_scale_5bit); ac97->spec.ad18xx.pcmreg[1] = init_val; } if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { - for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) + for (idx = 0; idx < 2; idx++) { + kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; + } set_tlv_db_scale(kctl, db_scale_5bit); - for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) + for (idx = 0; idx < 2; idx++) { + kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; + } set_tlv_db_scale(kctl, db_scale_5bit); ac97->spec.ad18xx.pcmreg[2] = init_val; } @@ -1533,7 +1535,8 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) /* build Capture controls */ if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97)); + if (err < 0) return err; if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { err = snd_ac97_cmute_new(card, "Capture Switch", @@ -1541,7 +1544,9 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) if (err < 0) return err; } - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) + kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; set_tlv_db_scale(kctl, db_scale_rec_gain); snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); @@ -1549,52 +1554,62 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) } /* build MIC Capture controls */ if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { - for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) + for (idx = 0; idx < 2; idx++) { + kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; + } set_tlv_db_scale(kctl, db_scale_rec_gain); snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); } /* build PCM out path & mute control */ if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97)); + if (err < 0) return err; } /* build Simulated Stereo Enhancement control */ if (ac97->caps & AC97_BC_SIM_STEREO) { - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97)); + if (err < 0) return err; } /* build 3D Stereo Enhancement control */ if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97)); + if (err < 0) return err; } /* build Loudness control */ if (ac97->caps & AC97_BC_LOUDNESS) { - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97)); + if (err < 0) return err; } /* build Mono output select control */ if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97)); + if (err < 0) return err; } /* build Mic select control */ if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97)); + if (err < 0) return err; } /* build ADC/DAC loopback control */ if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97)); + if (err < 0) return err; } @@ -1610,11 +1625,15 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) snd_ac97_write(ac97, AC97_3D_CONTROL, val); val = snd_ac97_read(ac97, AC97_3D_CONTROL); val = val == 0x0606; - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) + kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; if (val) kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); - if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) + kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; if (val) kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); @@ -1631,14 +1650,18 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { if (ac97->build_ops->build_spdif) { - if ((err = ac97->build_ops->build_spdif(ac97)) < 0) + err = ac97->build_ops->build_spdif(ac97); + if (err < 0) return err; } else { - for (idx = 0; idx < 5; idx++) - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) + for (idx = 0; idx < 5; idx++) { + err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97)); + if (err < 0) return err; + } if (ac97->build_ops->build_post_spdif) { - if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) + err = ac97->build_ops->build_post_spdif(ac97); + if (err < 0) return err; } /* set default PCM S/PDIF params */ @@ -1650,9 +1673,11 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) } /* build chip specific controls */ - if (ac97->build_ops->build_specific) - if ((err = ac97->build_ops->build_specific(ac97)) < 0) + if (ac97->build_ops->build_specific) { + err = ac97->build_ops->build_specific(ac97); + if (err < 0) return err; + } if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); @@ -1660,7 +1685,8 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) return -ENOMEM; if (ac97->scaps & AC97_SCAP_INV_EAPD) set_inv_eapd(ac97, kctl); - if ((err = snd_ctl_add(card, kctl)) < 0) + err = snd_ctl_add(card, kctl); + if (err < 0) return err; } @@ -1672,7 +1698,7 @@ static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) int err, idx; /* - printk(KERN_DEBUG "AC97_GPIO_CFG = %x\n", + ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n", snd_ac97_read(ac97,AC97_GPIO_CFG)); */ snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); @@ -1682,14 +1708,18 @@ static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); /* build modem switches */ - for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) + for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) { + err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97)); + if (err < 0) return err; + } /* build chip specific controls */ - if (ac97->build_ops->build_specific) - if ((err = ac97->build_ops->build_specific(ac97)) < 0) + if (ac97->build_ops->build_specific) { + err = ac97->build_ops->build_specific(ac97); + if (err < 0) return err; + } return 0; } @@ -1771,10 +1801,10 @@ static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) { unsigned int result = 0; int i; - static unsigned short ctl_bits[] = { + static const unsigned short ctl_bits[] = { AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K }; - static unsigned int rate_bits[] = { + static const unsigned int rate_bits[] = { SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 }; @@ -1798,7 +1828,8 @@ static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id return NULL; } -void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) +void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, + size_t maxlen, int modem) { const struct ac97_codec_id *pid; @@ -1810,7 +1841,7 @@ void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int m if (! pid) return; - strcpy(name, pid->name); + strscpy(name, pid->name, maxlen); if (ac97 && pid->patch) { if ((modem && (pid->flags & AC97_MODEM_PATCH)) || (! modem && ! (pid->flags & AC97_MODEM_PATCH))) @@ -1819,17 +1850,19 @@ void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int m pid = look_for_codec_id(snd_ac97_codec_ids, id); if (pid) { - strcat(name, " "); - strcat(name, pid->name); + strlcat(name, " ", maxlen); + strlcat(name, pid->name, maxlen); if (pid->mask != 0xffffffff) - sprintf(name + strlen(name), " rev %d", id & ~pid->mask); + sprintf(name + strlen(name), " rev %u", id & ~pid->mask); if (ac97 && pid->patch) { if ((modem && (pid->flags & AC97_MODEM_PATCH)) || (! modem && ! (pid->flags & AC97_MODEM_PATCH))) pid->patch(ac97); } - } else - sprintf(name + strlen(name), " id %x", id & 0xff); + } else { + int l = strlen(name); + snprintf(name + l, maxlen - l, " id %x", id & 0xff); + } } /** @@ -1905,19 +1938,20 @@ static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) * write). The other callbacks, wait and reset, are not mandatory. * * The clock is set to 48000. If another clock is needed, set - * (*rbus)->clock manually. + * ``(*rbus)->clock`` manually. * * The AC97 bus instance is registered as a low-level device, so you don't * have to release it manually. * * Return: Zero if successful, or a negative error code on failure. */ -int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, +int snd_ac97_bus(struct snd_card *card, int num, + const struct snd_ac97_bus_ops *ops, void *private_data, struct snd_ac97_bus **rbus) { int err; struct snd_ac97_bus *bus; - static struct snd_device_ops dev_ops = { + static const struct snd_device_ops dev_ops = { .dev_free = snd_ac97_bus_dev_free, }; @@ -1933,7 +1967,8 @@ int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, bus->clock = 48000; spin_lock_init(&bus->bus_lock); snd_ac97_bus_proc_init(bus); - if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops); + if (err < 0) { snd_ac97_bus_free(bus); return err; } @@ -1961,8 +1996,10 @@ static int snd_ac97_dev_register(struct snd_device *device) dev_set_name(&ac97->dev, "%d-%d:%s", ac97->bus->card->number, ac97->num, snd_ac97_get_short_name(ac97)); - if ((err = device_register(&ac97->dev)) < 0) { - snd_printk(KERN_ERR "Can't register ac97 bus\n"); + err = device_register(&ac97->dev); + if (err < 0) { + ac97_err(ac97, "Can't register ac97 bus\n"); + put_device(&ac97->dev); ac97->dev.bus = NULL; return err; } @@ -2017,16 +2054,15 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, unsigned long end_time; unsigned int reg; const struct ac97_codec_id *pid; - static struct snd_device_ops ops = { + static const struct snd_device_ops ops = { .dev_free = snd_ac97_dev_free, .dev_register = snd_ac97_dev_register, .dev_disconnect = snd_ac97_dev_disconnect, }; - if (rac97) - *rac97 = NULL; - if (snd_BUG_ON(!bus || !template)) + if (snd_BUG_ON(!bus || !template || !rac97)) return -EINVAL; + *rac97 = NULL; if (snd_BUG_ON(template->num >= 4)) return -EINVAL; if (bus->codec[template->num]) @@ -2088,7 +2124,8 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, msecs_to_jiffies(500), 1); } if (err < 0) { - snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); + ac97_warn(ac97, "AC'97 %d does not respond - RESET\n", + ac97->num); /* proceed anyway - it's often non-critical */ } } @@ -2097,7 +2134,9 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { - snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); + ac97_err(ac97, + "AC'97 %d access is not valid [0x%x], removing mixer.\n", + ac97->num, ac97->id); snd_ac97_free(ac97); return -EIO; } @@ -2109,7 +2148,8 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { /* test if we can write to the record gain volume register */ snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); - if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) + err = snd_ac97_read(ac97, AC97_REC_GAIN); + if ((err & 0x7fff) == 0x0a06) ac97->scaps |= AC97_SCAP_AUDIO; } if (ac97->scaps & AC97_SCAP_AUDIO) { @@ -2130,7 +2170,9 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) - snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); + ac97_err(ac97, + "AC'97 %d access error (not audio or modem codec)\n", + ac97->num); snd_ac97_free(ac97); return -EACCES; } @@ -2155,7 +2197,8 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, goto __ready_ok; schedule_timeout_uninterruptible(1); } while (time_after_eq(end_time, jiffies)); - snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); + ac97_warn(ac97, + "AC'97 %d analog subsections not ready\n", ac97->num); } /* FIXME: add powerdown control */ @@ -2187,7 +2230,10 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, goto __ready_ok; schedule_timeout_uninterruptible(1); } while (time_after_eq(end_time, jiffies)); - snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); + ac97_warn(ac97, + "MC'97 %d converters and GPIO not ready (0x%x)\n", + ac97->num, + snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); } __ready_ok: @@ -2240,15 +2286,15 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, /* additional initializations */ if (bus->ops->init) bus->ops->init(ac97); - snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); - snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code + snd_ac97_get_name(ac97, ac97->id, name, sizeof(name), !ac97_is_audio(ac97)); + snd_ac97_get_name(NULL, ac97->id, name, sizeof(name), !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code if (! ac97->build_ops) ac97->build_ops = &null_build_ops; if (ac97_is_audio(ac97)) { char comp[16]; if (card->mixername[0] == '\0') { - strcpy(card->mixername, name); + strscpy(card->mixername, name); } else { if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { strcat(card->mixername, ","); @@ -2256,7 +2302,8 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, } } sprintf(comp, "AC97a:%08x", ac97->id); - if ((err = snd_component_add(card, comp)) < 0) { + err = snd_component_add(card, comp); + if (err < 0) { snd_ac97_free(ac97); return err; } @@ -2268,7 +2315,7 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, if (ac97_is_modem(ac97)) { char comp[16]; if (card->mixername[0] == '\0') { - strcpy(card->mixername, name); + strscpy(card->mixername, name); } else { if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { strcat(card->mixername, ","); @@ -2276,7 +2323,8 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, } } sprintf(comp, "AC97m:%08x", ac97->id); - if ((err = snd_component_add(card, comp)) < 0) { + err = snd_component_add(card, comp); + if (err < 0) { snd_ac97_free(ac97); return err; } @@ -2288,7 +2336,8 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, if (ac97_is_audio(ac97)) update_power_regs(ac97); snd_ac97_proc_init(ac97); - if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops); + if (err < 0) { snd_ac97_free(ac97); return err; } @@ -2354,7 +2403,7 @@ struct ac97_power_reg { enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; -static struct ac97_power_reg power_regs[PWIDX_SIZE] = { +static const struct ac97_power_reg power_regs[PWIDX_SIZE] = { [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, @@ -2403,8 +2452,7 @@ int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) * (for avoiding loud click noises for many (OSS) apps * that open/close frequently) */ - schedule_delayed_work(&ac97->power_work, - msecs_to_jiffies(power_save * 1000)); + schedule_delayed_work(&ac97->power_work, secs_to_jiffies(power_save)); else { cancel_delayed_work(&ac97->power_work); update_power_regs(ac97); @@ -2596,11 +2644,18 @@ EXPORT_SYMBOL(snd_ac97_resume); */ static void set_ctl_name(char *dst, const char *src, const char *suffix) { - if (suffix) - sprintf(dst, "%s %s", src, suffix); - else - strcpy(dst, src); -} + const size_t msize = SNDRV_CTL_ELEM_ID_NAME_MAXLEN; + + if (suffix) { + if (snprintf(dst, msize, "%s %s", src, suffix) >= msize) + pr_warn("ALSA: AC97 control name '%s %s' truncated to '%s'\n", + src, suffix, dst); + } else { + if (strscpy(dst, src, msize) < 0) + pr_warn("ALSA: AC97 control name '%s' truncated to '%s'\n", + src, dst); + } +} /* remove the control with the given name and optional suffix */ static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, @@ -2627,8 +2682,11 @@ static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix) { struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); + char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + if (kctl) { - set_ctl_name(kctl->id.name, dst, suffix); + set_ctl_name(name, dst, suffix); + snd_ctl_rename(ac97->bus->card, kctl, name); return 0; } return -ENOENT; @@ -2647,11 +2705,17 @@ static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix) { struct snd_kcontrol *kctl1, *kctl2; + char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + kctl1 = ctl_find(ac97, s1, suffix); kctl2 = ctl_find(ac97, s2, suffix); if (kctl1 && kctl2) { - set_ctl_name(kctl1->id.name, s2, suffix); - set_ctl_name(kctl2->id.name, s1, suffix); + set_ctl_name(name, s2, suffix); + snd_ctl_rename(ac97->bus->card, kctl1, name); + + set_ctl_name(name, s1, suffix); + snd_ctl_rename(ac97->bus->card, kctl2, name); + return 0; } return -ENOENT; @@ -2722,7 +2786,7 @@ static int tune_ad_sharing(struct snd_ac97 *ac97) { unsigned short scfg; if ((ac97->id & 0xffffff00) != 0x41445300) { - snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); + ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n"); return -EINVAL; } /* Turn on OMS bit to route microphone to back panel */ @@ -2738,7 +2802,8 @@ AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); static int tune_alc_jack(struct snd_ac97 *ac97) { if ((ac97->id & 0xffffff00) != 0x414c4700) { - snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); + ac97_err(ac97, + "ac97_quirk ALC_JACK is only for Realtek codecs\n"); return -EINVAL; } snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ @@ -2836,7 +2901,7 @@ struct quirk_table { int (*func)(struct snd_ac97 *); }; -static struct quirk_table applicable_quirks[] = { +static const struct quirk_table applicable_quirks[] = { { "none", NULL }, { "hp_only", tune_hp_only }, { "swap_hp", tune_swap_hp }, @@ -2864,7 +2929,7 @@ static int apply_quirk(struct snd_ac97 *ac97, int type) static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) { int i; - struct quirk_table *q; + const struct quirk_table *q; for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { q = &applicable_quirks[i]; @@ -2890,7 +2955,8 @@ static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) * Return: Zero if successful, or a negative error code on failure. */ -int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) +int snd_ac97_tune_hardware(struct snd_ac97 *ac97, + const struct ac97_quirk *quirk, const char *override) { int result; @@ -2898,7 +2964,8 @@ int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, cons if (override && strcmp(override, "-1") && strcmp(override, "default")) { result = apply_quirk_str(ac97, override); if (result < 0) - snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); + ac97_err(ac97, "applying quirk type %s failed (%d)\n", + override, result); return result; } @@ -2912,10 +2979,14 @@ int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, cons quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { if (quirk->codec_id && quirk->codec_id != ac97->id) continue; - snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); + ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n", + quirk->name, ac97->subsystem_vendor, + ac97->subsystem_device); result = apply_quirk(ac97, quirk->type); if (result < 0) - snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); + ac97_err(ac97, + "applying quirk type %d for %s failed (%d)\n", + quirk->type, quirk->name, result); return result; } } @@ -2923,19 +2994,3 @@ int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, cons } EXPORT_SYMBOL(snd_ac97_tune_hardware); - -/* - * INIT part - */ - -static int __init alsa_ac97_init(void) -{ - return 0; -} - -static void __exit alsa_ac97_exit(void) -{ -} - -module_init(alsa_ac97_init) -module_exit(alsa_ac97_exit) |
