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| author | Alexander Stein <alexanders83@web.de> | 2014-12-05 20:10:07 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-12-05 20:36:13 +0100 |
| commit | 048184540171672a724ab8f8bada7fcc0762f5c6 (patch) | |
| tree | f39f663d4ddd5d1199d68173742a3dd2b228c8a8 /sound/atmel | |
| parent | 1132015b16580d3f53385354ffec0f58443a1ffd (diff) | |
| download | lwn-048184540171672a724ab8f8bada7fcc0762f5c6.tar.gz lwn-048184540171672a724ab8f8bada7fcc0762f5c6.zip | |
ALSA: atmel_abdac: Add missing clock prepare
Clocks must be prepared before enabling them. Do this in one step.
Replace clk_enable with clk_prepare_enable and clk_disable with
clk_disable_unprepare.
Signed-off-by: Alexander Stein <alexanders83@web.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/atmel')
| -rw-r--r-- | sound/atmel/abdac.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sound/atmel/abdac.c b/sound/atmel/abdac.c index 31061e3521d4..023140504104 100644 --- a/sound/atmel/abdac.c +++ b/sound/atmel/abdac.c @@ -242,7 +242,7 @@ static int atmel_abdac_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: /* fall through */ case SNDRV_PCM_TRIGGER_RESUME: /* fall through */ case SNDRV_PCM_TRIGGER_START: - clk_enable(dac->sample_clk); + clk_prepare_enable(dac->sample_clk); retval = dw_dma_cyclic_start(dac->dma.chan); if (retval) goto out; @@ -254,7 +254,7 @@ static int atmel_abdac_trigger(struct snd_pcm_substream *substream, int cmd) dw_dma_cyclic_stop(dac->dma.chan); dac_writel(dac, DATA, 0); dac_writel(dac, CTRL, 0); - clk_disable(dac->sample_clk); + clk_disable_unprepare(dac->sample_clk); break; default: retval = -EINVAL; @@ -429,7 +429,7 @@ static int atmel_abdac_probe(struct platform_device *pdev) retval = PTR_ERR(sample_clk); goto out_put_pclk; } - clk_enable(pclk); + clk_prepare_enable(pclk); retval = snd_card_new(&pdev->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, THIS_MODULE, @@ -528,7 +528,7 @@ out_free_card: snd_card_free(card); out_put_sample_clk: clk_put(sample_clk); - clk_disable(pclk); + clk_disable_unprepare(pclk); out_put_pclk: clk_put(pclk); return retval; @@ -541,8 +541,8 @@ static int atmel_abdac_suspend(struct device *pdev) struct atmel_abdac *dac = card->private_data; dw_dma_cyclic_stop(dac->dma.chan); - clk_disable(dac->sample_clk); - clk_disable(dac->pclk); + clk_disable_unprepare(dac->sample_clk); + clk_disable_unprepare(dac->pclk); return 0; } @@ -552,8 +552,8 @@ static int atmel_abdac_resume(struct device *pdev) struct snd_card *card = dev_get_drvdata(pdev); struct atmel_abdac *dac = card->private_data; - clk_enable(dac->pclk); - clk_enable(dac->sample_clk); + clk_prepare_enable(dac->pclk); + clk_prepare_enable(dac->sample_clk); if (test_bit(DMA_READY, &dac->flags)) dw_dma_cyclic_start(dac->dma.chan); @@ -572,7 +572,7 @@ static int atmel_abdac_remove(struct platform_device *pdev) struct atmel_abdac *dac = get_dac(card); clk_put(dac->sample_clk); - clk_disable(dac->pclk); + clk_disable_unprepare(dac->pclk); clk_put(dac->pclk); dma_release_channel(dac->dma.chan); |