diff --git a/Documentation/sound/kernel-api/writing-an-alsa-driver.rst b/Documentation/sound/kernel-api/writing-an-alsa-driver.rst index b37234afdfa1..7c2f2032d30a 100644 --- a/Documentation/sound/kernel-api/writing-an-alsa-driver.rst +++ b/Documentation/sound/kernel-api/writing-an-alsa-driver.rst @@ -3924,15 +3924,12 @@ The scheme of the real suspend job is as follows. 2. Call :c:func:`snd_power_change_state()` with ``SNDRV_CTL_POWER_D3hot`` to change the power status. -3. Call :c:func:`snd_pcm_suspend_all()` to suspend the running - PCM streams. - -4. If AC97 codecs are used, call :c:func:`snd_ac97_suspend()` for +3. If AC97 codecs are used, call :c:func:`snd_ac97_suspend()` for each codec. -5. Save the register values if necessary. +4. Save the register values if necessary. -6. Stop the hardware if necessary. +5. Stop the hardware if necessary. A typical code would be like: @@ -3946,12 +3943,10 @@ A typical code would be like: /* (2) */ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); /* (3) */ - snd_pcm_suspend_all(chip->pcm); - /* (4) */ snd_ac97_suspend(chip->ac97); - /* (5) */ + /* (4) */ snd_mychip_save_registers(chip); - /* (6) */ + /* (5) */ snd_mychip_stop_hardware(chip); return 0; } @@ -3994,13 +3989,9 @@ A typical code would be like: return 0; } -As shown in the above, it's better to save registers after suspending -the PCM operations via :c:func:`snd_pcm_suspend_all()` or -:c:func:`snd_pcm_suspend()`. It means that the PCM streams are -already stopped when the register snapshot is taken. But, remember that -you don't have to restart the PCM stream in the resume callback. It'll -be restarted via trigger call with ``SNDRV_PCM_TRIGGER_RESUME`` when -necessary. +Note that, at the time this callback gets called, the PCM stream has +been already suspended via its own PM ops calling +:c:func:`snd_pcm_suspend_all()` internally. OK, we have all callbacks now. Let's set them up. In the initialization of the card, make sure that you can get the chip data from the card diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c index cf3f0caf9c63..ed7af7518b52 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c @@ -614,7 +614,6 @@ static int snd_dw_hdmi_suspend(struct device *dev) struct snd_dw_hdmi *dw = dev_get_drvdata(dev); snd_power_change_state(dw->card, SNDRV_CTL_POWER_D3cold); - snd_pcm_suspend_all(dw->pcm); return 0; } diff --git a/include/sound/pcm.h b/include/sound/pcm.h index d6bd3caf6878..2c30c1ad1b0d 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -538,6 +538,7 @@ struct snd_pcm { void (*private_free) (struct snd_pcm *pcm); bool internal; /* pcm is for internal use only */ bool nonatomic; /* whole PCM operations are in non-atomic context */ + bool no_device_suspend; /* don't invoke device PM suspend */ #if IS_ENABLED(CONFIG_SND_PCM_OSS) struct snd_pcm_oss oss; #endif @@ -581,13 +582,8 @@ int snd_pcm_stop(struct snd_pcm_substream *substream, snd_pcm_state_t status); int snd_pcm_drain_done(struct snd_pcm_substream *substream); int snd_pcm_stop_xrun(struct snd_pcm_substream *substream); #ifdef CONFIG_PM -int snd_pcm_suspend(struct snd_pcm_substream *substream); int snd_pcm_suspend_all(struct snd_pcm *pcm); #else -static inline int snd_pcm_suspend(struct snd_pcm_substream *substream) -{ - return 0; -} static inline int snd_pcm_suspend_all(struct snd_pcm *pcm) { return 0; diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c index c3f57a3fb1a5..33e82341c048 100644 --- a/sound/aoa/soundbus/i2sbus/core.c +++ b/sound/aoa/soundbus/i2sbus/core.c @@ -380,10 +380,6 @@ static int i2sbus_suspend(struct macio_dev* dev, pm_message_t state) int err, ret = 0; list_for_each_entry(i2sdev, &control->list, item) { - /* Notify Alsa */ - /* Suspend PCM streams */ - snd_pcm_suspend_all(i2sdev->sound.pcm); - /* Notify codecs */ list_for_each_entry(cii, &i2sdev->sound.codec_list, list) { err = 0; diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c index 0114ffed56dd..0c3f073e2600 100644 --- a/sound/arm/aaci.c +++ b/sound/arm/aaci.c @@ -757,7 +757,6 @@ static int aaci_do_suspend(struct snd_card *card) { struct aaci *aaci = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3cold); - snd_pcm_suspend_all(aaci->pcm); return 0; } diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c index 1f72672262d0..68fe5bb11eea 100644 --- a/sound/arm/pxa2xx-ac97.c +++ b/sound/arm/pxa2xx-ac97.c @@ -124,7 +124,6 @@ static int pxa2xx_ac97_do_suspend(struct snd_card *card) pxa2xx_audio_ops_t *platform_ops = card->dev->platform_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3cold); - snd_pcm_suspend_all(pxa2xx_ac97_pcm); snd_ac97_suspend(pxa2xx_ac97_ac97); if (platform_ops && platform_ops->suspend) platform_ops->suspend(platform_ops->priv); diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 01b9d62eef14..ca1ea3cf9350 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -683,6 +683,31 @@ static inline int snd_pcm_substream_proc_done(struct snd_pcm_substream *substrea static const struct attribute_group *pcm_dev_attr_groups[]; +/* + * PM callbacks: we need to deal only with suspend here, as the resume is + * triggered either from user-space or the driver's resume callback + */ +#ifdef CONFIG_PM_SLEEP +static int do_pcm_suspend(struct device *dev) +{ + struct snd_pcm_str *pstr = container_of(dev, struct snd_pcm_str, dev); + + if (!pstr->pcm->no_device_suspend) + snd_pcm_suspend_all(pstr->pcm); + return 0; +} +#endif + +static const struct dev_pm_ops pcm_dev_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(do_pcm_suspend, NULL) +}; + +/* device type for PCM -- basically only for passing PM callbacks */ +static const struct device_type pcm_dev_type = { + .name = "pcm", + .pm = &pcm_dev_pm_ops, +}; + /** * snd_pcm_new_stream - create a new PCM stream * @pcm: the pcm instance @@ -713,6 +738,7 @@ int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count) snd_device_initialize(&pstr->dev, pcm->card); pstr->dev.groups = pcm_dev_attr_groups; + pstr->dev.type = &pcm_dev_type; dev_set_name(&pstr->dev, "pcmC%iD%i%c", pcm->card->number, pcm->device, stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c'); diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 818dff1de545..26afb6b0889a 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1460,29 +1460,24 @@ static const struct action_ops snd_pcm_action_suspend = { .post_action = snd_pcm_post_suspend }; -/** +/* * snd_pcm_suspend - trigger SUSPEND to all linked streams * @substream: the PCM substream * * After this call, all streams are changed to SUSPENDED state. * - * Return: Zero if successful (or @substream is %NULL), or a negative error - * code. + * Return: Zero if successful, or a negative error code. */ -int snd_pcm_suspend(struct snd_pcm_substream *substream) +static int snd_pcm_suspend(struct snd_pcm_substream *substream) { int err; unsigned long flags; - if (! substream) - return 0; - snd_pcm_stream_lock_irqsave(substream, flags); err = snd_pcm_action(&snd_pcm_action_suspend, substream, 0); snd_pcm_stream_unlock_irqrestore(substream, flags); return err; } -EXPORT_SYMBOL(snd_pcm_suspend); /** * snd_pcm_suspend_all - trigger SUSPEND to all substreams in the given pcm diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c index 1e34e6381baa..65c903b639c2 100644 --- a/sound/drivers/aloop.c +++ b/sound/drivers/aloop.c @@ -1200,12 +1200,8 @@ static int loopback_remove(struct platform_device *devptr) static int loopback_suspend(struct device *pdev) { struct snd_card *card = dev_get_drvdata(pdev); - struct loopback *loopback = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - - snd_pcm_suspend_all(loopback->pcm[0]); - snd_pcm_suspend_all(loopback->pcm[1]); return 0; } diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c index 9af154db530a..c8d31550e9a1 100644 --- a/sound/drivers/dummy.c +++ b/sound/drivers/dummy.c @@ -1138,10 +1138,8 @@ static int snd_dummy_remove(struct platform_device *devptr) static int snd_dummy_suspend(struct device *pdev) { struct snd_card *card = dev_get_drvdata(pdev); - struct snd_dummy *dummy = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(dummy->pcm); return 0; } diff --git a/sound/drivers/pcsp/pcsp.c b/sound/drivers/pcsp/pcsp.c index 0dd3f46eb03e..d83ad3820f02 100644 --- a/sound/drivers/pcsp/pcsp.c +++ b/sound/drivers/pcsp/pcsp.c @@ -197,7 +197,6 @@ static int pcsp_suspend(struct device *dev) { struct snd_pcsp *chip = dev_get_drvdata(dev); pcsp_stop_beep(chip); - snd_pcm_suspend_all(chip->pcm); return 0; } diff --git a/sound/drivers/vx/vx_core.c b/sound/drivers/vx/vx_core.c index 04368dd59a4c..19496fa486aa 100644 --- a/sound/drivers/vx/vx_core.c +++ b/sound/drivers/vx/vx_core.c @@ -732,12 +732,8 @@ EXPORT_SYMBOL(snd_vx_dsp_load); */ int snd_vx_suspend(struct vx_core *chip) { - unsigned int i; - snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); chip->chip_status |= VX_STAT_IN_SUSPEND; - for (i = 0; i < chip->hw->num_codecs; i++) - snd_pcm_suspend_all(chip->pcm[i]); return 0; } diff --git a/sound/isa/ad1816a/ad1816a_lib.c b/sound/isa/ad1816a/ad1816a_lib.c index fba6d22f7f4b..61e8c7e524db 100644 --- a/sound/isa/ad1816a/ad1816a_lib.c +++ b/sound/isa/ad1816a/ad1816a_lib.c @@ -518,7 +518,6 @@ void snd_ad1816a_suspend(struct snd_ad1816a *chip) int reg; unsigned long flags; - snd_pcm_suspend_all(chip->pcm); spin_lock_irqsave(&chip->lock, flags); for (reg = 0; reg < 48; reg++) chip->image[reg] = snd_ad1816a_read(chip, reg); diff --git a/sound/isa/als100.c b/sound/isa/als100.c index f63142ec287e..571108021e9d 100644 --- a/sound/isa/als100.c +++ b/sound/isa/als100.c @@ -322,7 +322,6 @@ static int snd_als100_pnp_suspend(struct pnp_card_link *pcard, pm_message_t stat struct snd_sb *chip = acard->chip; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); snd_sbmixer_suspend(chip); return 0; } diff --git a/sound/isa/cmi8328.c b/sound/isa/cmi8328.c index de6ef1b1cf0e..617977516201 100644 --- a/sound/isa/cmi8328.c +++ b/sound/isa/cmi8328.c @@ -434,7 +434,6 @@ static int snd_cmi8328_suspend(struct device *pdev, unsigned int n, cmi = card->private_data; snd_cmi8328_cfg_save(cmi->port, cmi->cfg); snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(cmi->wss->pcm); cmi->wss->suspend(cmi->wss); return 0; diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c index 6b8c46942efb..7e5aa06414c4 100644 --- a/sound/isa/cmi8330.c +++ b/sound/isa/cmi8330.c @@ -484,7 +484,6 @@ static int snd_cmi8330_suspend(struct snd_card *card) struct snd_cmi8330 *acard = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(acard->pcm); acard->wss->suspend(acard->wss); snd_sbmixer_suspend(acard->sb); return 0; diff --git a/sound/isa/es1688/es1688.c b/sound/isa/es1688/es1688.c index 3dfe7e592c25..87527627e059 100644 --- a/sound/isa/es1688/es1688.c +++ b/sound/isa/es1688/es1688.c @@ -301,10 +301,8 @@ static int snd_es968_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) { struct snd_card *card = pnp_get_card_drvdata(pcard); - struct snd_es1688 *chip = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); return 0; } diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c index 0d103d6f805e..77aa9a27fb3b 100644 --- a/sound/isa/es18xx.c +++ b/sound/isa/es18xx.c @@ -1731,8 +1731,6 @@ static int snd_es18xx_suspend(struct snd_card *card, pm_message_t state) snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); - /* power down */ chip->pm_reg = (unsigned char)snd_es18xx_read(chip, ES18XX_PM); chip->pm_reg |= (ES18XX_PM_FM | ES18XX_PM_SUS); diff --git a/sound/isa/sb/jazz16.c b/sound/isa/sb/jazz16.c index bfa0055e1fd6..7a313ff589c7 100644 --- a/sound/isa/sb/jazz16.c +++ b/sound/isa/sb/jazz16.c @@ -356,7 +356,6 @@ static int snd_jazz16_suspend(struct device *pdev, unsigned int n, struct snd_sb *chip = acard->chip; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); snd_sbmixer_suspend(chip); return 0; } diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c index 8f9ebeb998f6..3844d4c02f49 100644 --- a/sound/isa/sb/sb16.c +++ b/sound/isa/sb/sb16.c @@ -471,7 +471,6 @@ static int snd_sb16_suspend(struct snd_card *card, pm_message_t state) struct snd_sb *chip = acard->chip; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); snd_sbmixer_suspend(chip); return 0; } diff --git a/sound/isa/sb/sb8.c b/sound/isa/sb/sb8.c index d77dcba276b5..aa2a83eb81a9 100644 --- a/sound/isa/sb/sb8.c +++ b/sound/isa/sb/sb8.c @@ -218,7 +218,6 @@ static int snd_sb8_suspend(struct device *dev, unsigned int n, struct snd_sb *chip = acard->chip; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); snd_sbmixer_suspend(chip); return 0; } diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index 3a5008837576..b11ef97bce1b 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -1625,7 +1625,6 @@ static void snd_wss_suspend(struct snd_wss *chip) int reg; unsigned long flags; - snd_pcm_suspend_all(chip->pcm); spin_lock_irqsave(&chip->reg_lock, flags); for (reg = 0; reg < 32; reg++) chip->image[reg] = snd_wss_in(chip, reg); diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c index 9f569379b77e..e781ccca1793 100644 --- a/sound/pci/ali5451/ali5451.c +++ b/sound/pci/ali5451/ali5451.c @@ -1882,10 +1882,8 @@ static int ali_suspend(struct device *dev) return 0; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - for (i = 0; i < chip->num_of_codecs; i++) { - snd_pcm_suspend_all(chip->pcm[i]); + for (i = 0; i < chip->num_of_codecs; i++) snd_ac97_suspend(chip->ac97[i]); - } spin_lock_irq(&chip->reg_lock); diff --git a/sound/pci/als300.c b/sound/pci/als300.c index eaa2d853d922..516b3d9cbfdf 100644 --- a/sound/pci/als300.c +++ b/sound/pci/als300.c @@ -731,7 +731,6 @@ static int snd_als300_suspend(struct device *dev) struct snd_als300 *chip = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); snd_ac97_suspend(chip->ac97); return 0; } diff --git a/sound/pci/als4000.c b/sound/pci/als4000.c index 26b097edec8c..45fa38382e79 100644 --- a/sound/pci/als4000.c +++ b/sound/pci/als4000.c @@ -994,7 +994,6 @@ static int snd_als4000_suspend(struct device *dev) snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); snd_sbmixer_suspend(chip); return 0; } diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c index 1a41f8c80243..7715d26916ac 100644 --- a/sound/pci/atiixp.c +++ b/sound/pci/atiixp.c @@ -733,6 +733,10 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: case SNDRV_PCM_TRIGGER_RESUME: + if (dma->running && dma->suspended && + cmd == SNDRV_PCM_TRIGGER_RESUME) + writel(dma->saved_curptr, chip->remap_addr + + dma->ops->dt_cur); dma->ops->enable_transfer(chip, 1); dma->running = 1; dma->suspended = 0; @@ -740,9 +744,12 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: case SNDRV_PCM_TRIGGER_SUSPEND: + dma->suspended = cmd == SNDRV_PCM_TRIGGER_SUSPEND; + if (dma->running && dma->suspended) + dma->saved_curptr = readl(chip->remap_addr + + dma->ops->dt_cur); dma->ops->enable_transfer(chip, 0); dma->running = 0; - dma->suspended = cmd == SNDRV_PCM_TRIGGER_SUSPEND; break; default: err = -EINVAL; @@ -1479,14 +1486,6 @@ static int snd_atiixp_suspend(struct device *dev) int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - for (i = 0; i < NUM_ATI_PCMDEVS; i++) - if (chip->pcmdevs[i]) { - struct atiixp_dma *dma = &chip->dmas[i]; - if (dma->substream && dma->running) - dma->saved_curptr = readl(chip->remap_addr + - dma->ops->dt_cur); - snd_pcm_suspend_all(chip->pcmdevs[i]); - } for (i = 0; i < NUM_ATI_CODECS; i++) snd_ac97_suspend(chip->ac97[i]); snd_atiixp_aclink_down(chip); @@ -1514,8 +1513,6 @@ static int snd_atiixp_resume(struct device *dev) dma->substream->ops->prepare(dma->substream); writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN, chip->remap_addr + dma->ops->llp_offset); - writel(dma->saved_curptr, chip->remap_addr + - dma->ops->dt_cur); } } diff --git a/sound/pci/atiixp_modem.c b/sound/pci/atiixp_modem.c index dc1de860cedf..a357a8e2e73d 100644 --- a/sound/pci/atiixp_modem.c +++ b/sound/pci/atiixp_modem.c @@ -1125,8 +1125,6 @@ static int snd_atiixp_suspend(struct device *dev) int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - for (i = 0; i < NUM_ATI_PCMDEVS; i++) - snd_pcm_suspend_all(chip->pcmdevs[i]); for (i = 0; i < NUM_ATI_CODECS; i++) snd_ac97_suspend(chip->ac97[i]); snd_atiixp_aclink_down(chip); diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c index fc18c29a8173..90348817f096 100644 --- a/sound/pci/azt3328.c +++ b/sound/pci/azt3328.c @@ -2699,10 +2699,6 @@ snd_azf3328_suspend(struct device *dev) snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - /* same pcm object for playback/capture */ - snd_pcm_suspend_all(chip->pcm[AZF_CODEC_PLAYBACK]); - snd_pcm_suspend_all(chip->pcm[AZF_CODEC_I2S_OUT]); - snd_azf3328_suspend_ac97(chip); snd_azf3328_suspend_regs(chip, chip->ctrl_io, diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c index cd27b5536654..3d1b0bbff33b 100644 --- a/sound/pci/ca0106/ca0106_main.c +++ b/sound/pci/ca0106/ca0106_main.c @@ -1910,11 +1910,8 @@ static int snd_ca0106_suspend(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct snd_ca0106 *chip = card->private_data; - int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - for (i = 0; i < 4; i++) - snd_pcm_suspend_all(chip->pcm[i]); if (chip->details->ac97) snd_ac97_suspend(chip->ac97); snd_ca0106_mixer_suspend(chip); diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 452cc79b44af..5bbf31c1695c 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -3351,10 +3351,6 @@ static int snd_cmipci_suspend(struct device *dev) snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(cm->pcm); - snd_pcm_suspend_all(cm->pcm2); - snd_pcm_suspend_all(cm->pcm_spdif); - /* save registers */ for (i = 0; i < ARRAY_SIZE(saved_regs); i++) cm->saved_regs[i] = snd_cmipci_read(cm, saved_regs[i]); diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c index ec4247638fa1..a9fb819cad1d 100644 --- a/sound/pci/cs4281.c +++ b/sound/pci/cs4281.c @@ -2002,8 +2002,6 @@ static int cs4281_suspend(struct device *dev) unsigned int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); - snd_ac97_suspend(chip->ac97); snd_ac97_suspend(chip->ac97_secondary); diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c index 750eec437a79..a77d4cc44028 100644 --- a/sound/pci/cs46xx/cs46xx_lib.c +++ b/sound/pci/cs46xx/cs46xx_lib.c @@ -3781,12 +3781,6 @@ static int snd_cs46xx_suspend(struct device *dev) snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); chip->in_suspend = 1; - snd_pcm_suspend_all(chip->pcm); -#ifdef CONFIG_SND_CS46XX_NEW_DSP - snd_pcm_suspend_all(chip->pcm_rear); - snd_pcm_suspend_all(chip->pcm_center_lfe); - snd_pcm_suspend_all(chip->pcm_iec958); -#endif // chip->ac97_powerdown = snd_cs46xx_codec_read(chip, AC97_POWER_CONTROL); // chip->ac97_general_purpose = snd_cs46xx_codec_read(chip, BA0_AC97_GENERAL_PURPOSE); diff --git a/sound/pci/cs5535audio/cs5535audio_pm.c b/sound/pci/cs5535audio/cs5535audio_pm.c index 82bd10b68a77..446ef1f1b45a 100644 --- a/sound/pci/cs5535audio/cs5535audio_pm.c +++ b/sound/pci/cs5535audio/cs5535audio_pm.c @@ -62,7 +62,6 @@ static int __maybe_unused snd_cs5535audio_suspend(struct device *dev) int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(cs5535au->pcm); snd_ac97_suspend(cs5535au->ac97); for (i = 0; i < NUM_CS5535AUDIO_DMAS; i++) { struct cs5535audio_dma *dma = &cs5535au->dmas[i]; diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c index 2ada8444abd9..e622613ea947 100644 --- a/sound/pci/ctxfi/ctatc.c +++ b/sound/pci/ctxfi/ctatc.c @@ -1548,18 +1548,10 @@ static void atc_connect_resources(struct ct_atc *atc) #ifdef CONFIG_PM_SLEEP static int atc_suspend(struct ct_atc *atc) { - int i; struct hw *hw = atc->hw; snd_power_change_state(atc->card, SNDRV_CTL_POWER_D3hot); - for (i = FRONT; i < NUM_PCMS; i++) { - if (!atc->pcms[i]) - continue; - - snd_pcm_suspend_all(atc->pcms[i]); - } - atc_release_resources(atc); hw->suspend(hw); diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c index 907cf1a46712..18d30d479b6b 100644 --- a/sound/pci/echoaudio/echoaudio.c +++ b/sound/pci/echoaudio/echoaudio.c @@ -2165,9 +2165,6 @@ static int snd_echo_suspend(struct device *dev) { struct echoaudio *chip = dev_get_drvdata(dev); - snd_pcm_suspend_all(chip->analog_pcm); - snd_pcm_suspend_all(chip->digital_pcm); - #ifdef ECHOCARD_HAS_MIDI /* This call can sleep */ if (chip->midi_out) diff --git a/sound/pci/emu10k1/emu10k1.c b/sound/pci/emu10k1/emu10k1.c index d3203df50a1a..3c41a0edcfb0 100644 --- a/sound/pci/emu10k1/emu10k1.c +++ b/sound/pci/emu10k1/emu10k1.c @@ -224,12 +224,6 @@ static int snd_emu10k1_suspend(struct device *dev) cancel_delayed_work_sync(&emu->emu1010.firmware_work); - snd_pcm_suspend_all(emu->pcm); - snd_pcm_suspend_all(emu->pcm_mic); - snd_pcm_suspend_all(emu->pcm_efx); - snd_pcm_suspend_all(emu->pcm_multi); - snd_pcm_suspend_all(emu->pcm_p16v); - snd_ac97_suspend(emu->ac97); snd_emu10k1_efx_suspend(emu); diff --git a/sound/pci/ens1370.c b/sound/pci/ens1370.c index 727eb3da1fda..1f2960ecc57e 100644 --- a/sound/pci/ens1370.c +++ b/sound/pci/ens1370.c @@ -2037,9 +2037,6 @@ static int snd_ensoniq_suspend(struct device *dev) snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(ensoniq->pcm1); - snd_pcm_suspend_all(ensoniq->pcm2); - #ifdef CHIP1371 snd_ac97_suspend(ensoniq->u.es1371.ac97); #else diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c index 9d248eb2e26c..84d07bce581c 100644 --- a/sound/pci/es1938.c +++ b/sound/pci/es1938.c @@ -1475,7 +1475,6 @@ static int es1938_suspend(struct device *dev) unsigned char *s, *d; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); /* save mixer-related registers */ for (s = saved_regs, d = chip->saved_regs; *s; s++, d++) diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c index 0b1845ca6005..9dcb698fc8c7 100644 --- a/sound/pci/es1968.c +++ b/sound/pci/es1968.c @@ -2392,7 +2392,6 @@ static int es1968_suspend(struct device *dev) chip->in_suspend = 1; cancel_work_sync(&chip->hwvol_work); snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); snd_ac97_suspend(chip->ac97); snd_es1968_bob_stop(chip); return 0; diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c index e3fb9c61017c..1317f3183eb1 100644 --- a/sound/pci/fm801.c +++ b/sound/pci/fm801.c @@ -1408,7 +1408,6 @@ static int snd_fm801_suspend(struct device *dev) if (chip->tea575x_tuner & TUNER_ONLY) { /* FIXME: tea575x suspend */ } else { - snd_pcm_suspend_all(chip->pcm); snd_ac97_suspend(chip->ac97); snd_ac97_suspend(chip->ac97_sec); } diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 9f8d59e7e89f..ff6dbed4d3cd 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -2927,8 +2927,6 @@ static int hda_codec_runtime_suspend(struct device *dev) unsigned int state; cancel_delayed_work_sync(&codec->jackpoll_work); - list_for_each_entry(pcm, &codec->pcm_list_head, list) - snd_pcm_suspend_all(pcm->pcm); state = hda_call_codec_suspend(codec); if (codec->link_down_at_suspend || (codec_has_clkstop(codec) && codec_has_epss(codec) && diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c index f1fe497c2f9d..dda9b26192cb 100644 --- a/sound/pci/ice1712/ice1712.c +++ b/sound/pci/ice1712/ice1712.c @@ -2792,9 +2792,6 @@ static int snd_ice1712_suspend(struct device *dev) snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(ice->pcm); - snd_pcm_suspend_all(ice->pcm_pro); - snd_pcm_suspend_all(ice->pcm_ds); snd_ac97_suspend(ice->ac97); spin_lock_irq(&ice->reg_lock); diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 057c2f394ea7..42994cf36156 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -2804,9 +2804,6 @@ static int snd_vt1724_suspend(struct device *dev) snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(ice->pcm); - snd_pcm_suspend_all(ice->pcm_pro); - snd_pcm_suspend_all(ice->pcm_ds); snd_ac97_suspend(ice->ac97); spin_lock_irq(&ice->reg_lock); diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index ffddcdfe0c66..885e1d488ed6 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -2614,8 +2614,6 @@ static int intel8x0_suspend(struct device *dev) int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - for (i = 0; i < chip->pcm_devs; i++) - snd_pcm_suspend_all(chip->pcm[i]); for (i = 0; i < chip->ncodecs; i++) snd_ac97_suspend(chip->ac97[i]); if (chip->device_type == DEVICE_INTEL_ICH4) diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c index c84629190cba..44eb9e28a1eb 100644 --- a/sound/pci/intel8x0m.c +++ b/sound/pci/intel8x0m.c @@ -1025,11 +1025,8 @@ static int intel8x0m_suspend(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct intel8x0m *chip = card->private_data; - int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - for (i = 0; i < chip->pcm_devs; i++) - snd_pcm_suspend_all(chip->pcm[i]); snd_ac97_suspend(chip->ac97); if (chip->irq >= 0) { free_irq(chip->irq, chip); diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c index 62962178a9d7..1a9468c14aaf 100644 --- a/sound/pci/maestro3.c +++ b/sound/pci/maestro3.c @@ -2422,7 +2422,6 @@ static int m3_suspend(struct device *dev) chip->in_suspend = 1; cancel_work_sync(&chip->hwvol_work); snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); snd_ac97_suspend(chip->ac97); msleep(10); /* give the assp a chance to idle.. */ diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c index b97f4ea6b56c..85e46ff44ac3 100644 --- a/sound/pci/nm256/nm256.c +++ b/sound/pci/nm256/nm256.c @@ -1413,7 +1413,6 @@ static int nm256_suspend(struct device *dev) struct nm256 *chip = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); snd_ac97_suspend(chip->ac97); chip->coeffs_current = 0; return 0; diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c index 6a743c878415..d4cfff7e49e1 100644 --- a/sound/pci/oxygen/oxygen_lib.c +++ b/sound/pci/oxygen/oxygen_lib.c @@ -744,13 +744,10 @@ static int oxygen_pci_suspend(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct oxygen *chip = card->private_data; - unsigned int i, saved_interrupt_mask; + unsigned int saved_interrupt_mask; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - for (i = 0; i < PCM_COUNT; ++i) - snd_pcm_suspend(chip->streams[i]); - if (chip->model.suspend) chip->model.suspend(chip); diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c index 23017e3bc76c..1d431c8052d6 100644 --- a/sound/pci/riptide/riptide.c +++ b/sound/pci/riptide/riptide.c @@ -1158,7 +1158,6 @@ static int riptide_suspend(struct device *dev) chip->in_suspend = 1; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); snd_ac97_suspend(chip->ac97); return 0; } diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c index dcfa4d7a73e2..c56702e6cb60 100644 --- a/sound/pci/rme96.c +++ b/sound/pci/rme96.c @@ -2388,8 +2388,6 @@ static int rme96_suspend(struct device *dev) struct rme96 *rme96 = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend(rme96->playback_substream); - snd_pcm_suspend(rme96->capture_substream); /* save capture & playback pointers */ rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS) diff --git a/sound/pci/sis7019.c b/sound/pci/sis7019.c index 964acf302479..6b27980d77a8 100644 --- a/sound/pci/sis7019.c +++ b/sound/pci/sis7019.c @@ -1214,7 +1214,6 @@ static int sis_suspend(struct device *dev) int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(sis->pcm); if (sis->codecs_present & SIS_PRIMARY_CODEC_PRESENT) snd_ac97_suspend(sis->ac97[0]); if (sis->codecs_present & SIS_SECONDARY_CODEC_PRESENT) diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c index 5523e193d556..f271ea436cff 100644 --- a/sound/pci/trident/trident_main.c +++ b/sound/pci/trident/trident_main.c @@ -3915,10 +3915,6 @@ static int snd_trident_suspend(struct device *dev) trident->in_suspend = 1; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(trident->pcm); - snd_pcm_suspend_all(trident->foldback); - snd_pcm_suspend_all(trident->spdif); - snd_ac97_suspend(trident->ac97); snd_ac97_suspend(trident->ac97_sec); return 0; diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c index c488c5afa195..736ac79901b3 100644 --- a/sound/pci/via82xx.c +++ b/sound/pci/via82xx.c @@ -2278,8 +2278,6 @@ static int snd_via82xx_suspend(struct device *dev) int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - for (i = 0; i < 2; i++) - snd_pcm_suspend_all(chip->pcms[i]); for (i = 0; i < chip->num_devs; i++) snd_via82xx_channel_reset(chip, &chip->devs[i]); synchronize_irq(chip->irq); diff --git a/sound/pci/via82xx_modem.c b/sound/pci/via82xx_modem.c index b13c8688cc8d..3f59e0279058 100644 --- a/sound/pci/via82xx_modem.c +++ b/sound/pci/via82xx_modem.c @@ -1038,8 +1038,6 @@ static int snd_via82xx_suspend(struct device *dev) int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - for (i = 0; i < 2; i++) - snd_pcm_suspend_all(chip->pcms[i]); for (i = 0; i < chip->num_devs; i++) snd_via82xx_channel_reset(chip, &chip->devs[i]); synchronize_irq(chip->irq); diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c index a4926fb03991..c688b7f481da 100644 --- a/sound/pci/ymfpci/ymfpci_main.c +++ b/sound/pci/ymfpci/ymfpci_main.c @@ -2304,10 +2304,6 @@ static int snd_ymfpci_suspend(struct device *dev) unsigned int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); - snd_pcm_suspend_all(chip->pcm2); - snd_pcm_suspend_all(chip->pcm_spdif); - snd_pcm_suspend_all(chip->pcm_4ch); snd_ac97_suspend(chip->ac97); for (i = 0; i < YDSXGR_NUM_SAVED_REGS; i++) chip->saved_regs[i] = snd_ymfpci_readl(chip, saved_regs_index[i]); diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf_core.c b/sound/pcmcia/pdaudiocf/pdaudiocf_core.c index d724ab0653cf..eabf29252895 100644 --- a/sound/pcmcia/pdaudiocf/pdaudiocf_core.c +++ b/sound/pcmcia/pdaudiocf/pdaudiocf_core.c @@ -265,7 +265,6 @@ int snd_pdacf_suspend(struct snd_pdacf *chip) u16 val; snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); - snd_pcm_suspend_all(chip->pcm); /* disable interrupts, but use direct write to preserve old register value in chip->regmap */ val = inw(chip->port + PDAUDIOCF_REG_IER); val &= ~(PDAUDIOCF_IRQOVREN|PDAUDIOCF_IRQAKMEN|PDAUDIOCF_IRQLVLEN0|PDAUDIOCF_IRQLVLEN1); diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c index d692e4070167..6d420bd3ae17 100644 --- a/sound/ppc/pmac.c +++ b/sound/ppc/pmac.c @@ -1365,7 +1365,6 @@ void snd_pmac_suspend(struct snd_pmac *chip) snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); if (chip->suspend) chip->suspend(chip); - snd_pcm_suspend_all(chip->pcm); spin_lock_irqsave(&chip->reg_lock, flags); snd_pmac_beep_stop(chip); spin_unlock_irqrestore(&chip->reg_lock, flags); diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 03f36e534050..485eec5be608 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -3155,6 +3155,7 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) } pcm->private_free = soc_pcm_private_free; + pcm->no_device_suspend = true; out: dev_info(rtd->card->dev, "%s <-> %s mapping ok\n", (rtd->num_codecs > 1) ? "multicodec" : rtd->codec_dai->name, diff --git a/sound/usb/card.c b/sound/usb/card.c index 746a72e23cf9..719e10034553 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -811,7 +811,6 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); if (!chip->num_suspended_intf++) { list_for_each_entry(as, &chip->pcm_list, list) { - snd_pcm_suspend_all(as->pcm); snd_usb_pcm_suspend(as); as->substream[0].need_setup_ep = as->substream[1].need_setup_ep = true; diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c index c1376bfdc90b..7afe8fae4939 100644 --- a/sound/usb/line6/driver.c +++ b/sound/usb/line6/driver.c @@ -849,10 +849,8 @@ int line6_suspend(struct usb_interface *interface, pm_message_t message) if (line6->properties->capabilities & LINE6_CAP_CONTROL) line6_stop_listen(line6); - if (line6pcm != NULL) { - snd_pcm_suspend_all(line6pcm->pcm); + if (line6pcm != NULL) line6pcm->flags = 0; - } return 0; } diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c index 00c92eb854ce..16ca91f57e7f 100644 --- a/sound/x86/intel_hdmi_audio.c +++ b/sound/x86/intel_hdmi_audio.c @@ -1651,18 +1651,6 @@ static int had_create_jack(struct snd_intelhad *ctx, static int __maybe_unused hdmi_lpe_audio_suspend(struct device *dev) { struct snd_intelhad_card *card_ctx = dev_get_drvdata(dev); - int port; - - for_each_port(card_ctx, port) { - struct snd_intelhad *ctx = &card_ctx->pcm_ctx[port]; - struct snd_pcm_substream *substream; - - substream = had_substream_get(ctx); - if (substream) { - snd_pcm_suspend(substream); - had_substream_put(ctx); - } - } snd_power_change_state(card_ctx->card, SNDRV_CTL_POWER_D3hot);