diff options
Diffstat (limited to 'sound/pci/atiixp.c')
-rw-r--r-- | sound/pci/atiixp.c | 69 |
1 files changed, 28 insertions, 41 deletions
diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c index 4f544950ee7b..2a0c59d5afa5 100644 --- a/sound/pci/atiixp.c +++ b/sound/pci/atiixp.c @@ -345,7 +345,6 @@ static int atiixp_build_dma_packets(struct atiixp *chip, struct atiixp_dma *dma, { unsigned int i; u32 addr, desc_addr; - unsigned long flags; if (periods > ATI_MAX_DESCRIPTORS) return -ENOMEM; @@ -363,11 +362,11 @@ static int atiixp_build_dma_packets(struct atiixp *chip, struct atiixp_dma *dma, return 0; /* reset DMA before changing the descriptor table */ - spin_lock_irqsave(&chip->reg_lock, flags); - writel(0, chip->remap_addr + dma->ops->llp_offset); - dma->ops->enable_dma(chip, 0); - dma->ops->enable_dma(chip, 1); - spin_unlock_irqrestore(&chip->reg_lock, flags); + scoped_guard(spinlock_irqsave, &chip->reg_lock) { + writel(0, chip->remap_addr + dma->ops->llp_offset); + dma->ops->enable_dma(chip, 0); + dma->ops->enable_dma(chip, 1); + } /* fill the entries */ addr = (u32)substream->runtime->dma_addr; @@ -711,7 +710,7 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd) !dma->ops->flush_dma)) return -EINVAL; - spin_lock(&chip->reg_lock); + guard(spinlock)(&chip->reg_lock); switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: @@ -745,7 +744,6 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd) snd_atiixp_check_bus_busy(chip); } } - spin_unlock(&chip->reg_lock); return err; } @@ -859,7 +857,7 @@ static int snd_atiixp_spdif_prepare(struct snd_pcm_substream *substream) { struct atiixp *chip = snd_pcm_substream_chip(substream); - spin_lock_irq(&chip->reg_lock); + guard(spinlock_irq)(&chip->reg_lock); if (chip->spdif_over_aclink) { unsigned int data; /* enable slots 10/11 */ @@ -877,7 +875,6 @@ static int snd_atiixp_spdif_prepare(struct snd_pcm_substream *substream) atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_CONFIG_MASK, 0); atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_SPDF, 0); } - spin_unlock_irq(&chip->reg_lock); return 0; } @@ -887,7 +884,7 @@ static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream) struct atiixp *chip = snd_pcm_substream_chip(substream); unsigned int data; - spin_lock_irq(&chip->reg_lock); + guard(spinlock_irq)(&chip->reg_lock); data = atiixp_read(chip, OUT_DMA_SLOT) & ~ATI_REG_OUT_DMA_SLOT_MASK; switch (substream->runtime->channels) { case 8: @@ -922,7 +919,6 @@ static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream) atiixp_update(chip, 6CH_REORDER, ATI_REG_6CH_REORDER_EN, substream->runtime->channels >= 6 ? ATI_REG_6CH_REORDER_EN: 0); - spin_unlock_irq(&chip->reg_lock); return 0; } @@ -931,11 +927,10 @@ static int snd_atiixp_capture_prepare(struct snd_pcm_substream *substream) { struct atiixp *chip = snd_pcm_substream_chip(substream); - spin_lock_irq(&chip->reg_lock); + guard(spinlock_irq)(&chip->reg_lock); atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_IN, substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ? ATI_REG_CMD_INTERLEAVE_IN : 0); - spin_unlock_irq(&chip->reg_lock); return 0; } @@ -1043,9 +1038,9 @@ static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream, runtime->private_data = dma; /* enable DMA bits */ - spin_lock_irq(&chip->reg_lock); - dma->ops->enable_dma(chip, 1); - spin_unlock_irq(&chip->reg_lock); + scoped_guard(spinlock_irq, &chip->reg_lock) { + dma->ops->enable_dma(chip, 1); + } dma->opened = 1; return 0; @@ -1058,9 +1053,9 @@ static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream, /* disable DMA bits */ if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma)) return -EINVAL; - spin_lock_irq(&chip->reg_lock); - dma->ops->enable_dma(chip, 0); - spin_unlock_irq(&chip->reg_lock); + scoped_guard(spinlock_irq, &chip->reg_lock) { + dma->ops->enable_dma(chip, 0); + } dma->substream = NULL; dma->opened = 0; return 0; @@ -1073,9 +1068,8 @@ static int snd_atiixp_playback_open(struct snd_pcm_substream *substream) struct atiixp *chip = snd_pcm_substream_chip(substream); int err; - mutex_lock(&chip->open_mutex); + guard(mutex)(&chip->open_mutex); err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 0); - mutex_unlock(&chip->open_mutex); if (err < 0) return err; substream->runtime->hw.channels_max = chip->max_channels; @@ -1089,11 +1083,9 @@ static int snd_atiixp_playback_open(struct snd_pcm_substream *substream) static int snd_atiixp_playback_close(struct snd_pcm_substream *substream) { struct atiixp *chip = snd_pcm_substream_chip(substream); - int err; - mutex_lock(&chip->open_mutex); - err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]); - mutex_unlock(&chip->open_mutex); - return err; + + guard(mutex)(&chip->open_mutex); + return snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]); } static int snd_atiixp_capture_open(struct snd_pcm_substream *substream) @@ -1111,27 +1103,23 @@ static int snd_atiixp_capture_close(struct snd_pcm_substream *substream) static int snd_atiixp_spdif_open(struct snd_pcm_substream *substream) { struct atiixp *chip = snd_pcm_substream_chip(substream); - int err; - mutex_lock(&chip->open_mutex); + + guard(mutex)(&chip->open_mutex); if (chip->spdif_over_aclink) /* share DMA_PLAYBACK */ - err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 2); + return snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 2); else - err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_SPDIF], -1); - mutex_unlock(&chip->open_mutex); - return err; + return snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_SPDIF], -1); } static int snd_atiixp_spdif_close(struct snd_pcm_substream *substream) { struct atiixp *chip = snd_pcm_substream_chip(substream); - int err; - mutex_lock(&chip->open_mutex); + + guard(mutex)(&chip->open_mutex); if (chip->spdif_over_aclink) - err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]); + return snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]); else - err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_SPDIF]); - mutex_unlock(&chip->open_mutex); - return err; + return snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_SPDIF]); } /* AC97 playback */ @@ -1355,10 +1343,9 @@ static irqreturn_t snd_atiixp_interrupt(int irq, void *dev_id) if (status & CODEC_CHECK_BITS) { unsigned int detected; detected = status & CODEC_CHECK_BITS; - spin_lock(&chip->reg_lock); + guard(spinlock)(&chip->reg_lock); chip->codec_not_ready_bits |= detected; atiixp_update(chip, IER, detected, 0); /* disable the detected irqs */ - spin_unlock(&chip->reg_lock); } /* ack */ |