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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /sound/spi/at73c213.c
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'sound/spi/at73c213.c')
-rw-r--r--sound/spi/at73c213.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/spi/at73c213.c b/sound/spi/at73c213.c
index 395223678..fac7e6eb9 100644
--- a/sound/spi/at73c213.c
+++ b/sound/spi/at73c213.c
@@ -221,6 +221,8 @@ static int snd_at73c213_pcm_open(struct snd_pcm_substream *substream)
runtime->hw = snd_at73c213_playback_hw;
chip->substream = substream;
+ clk_enable(chip->ssc->clk);
+
return 0;
}
@@ -228,6 +230,7 @@ static int snd_at73c213_pcm_close(struct snd_pcm_substream *substream)
{
struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
chip->substream = NULL;
+ clk_disable(chip->ssc->clk);
return 0;
}
@@ -897,6 +900,8 @@ static int snd_at73c213_dev_init(struct snd_card *card,
chip->card = card;
chip->irq = -1;
+ clk_enable(chip->ssc->clk);
+
retval = request_irq(irq, snd_at73c213_interrupt, 0, "at73c213", chip);
if (retval) {
dev_dbg(&chip->spi->dev, "unable to request irq %d\n", irq);
@@ -935,6 +940,8 @@ out_irq:
free_irq(chip->irq, chip);
chip->irq = -1;
out:
+ clk_disable(chip->ssc->clk);
+
return retval;
}
@@ -1012,7 +1019,9 @@ static int snd_at73c213_remove(struct spi_device *spi)
int retval;
/* Stop playback. */
+ clk_enable(chip->ssc->clk);
ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));
+ clk_disable(chip->ssc->clk);
/* Mute sound. */
retval = snd_at73c213_write_reg(chip, DAC_LMPG, 0x3f);
@@ -1080,6 +1089,7 @@ static int snd_at73c213_suspend(struct device *dev)
struct snd_at73c213 *chip = card->private_data;
ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));
+ clk_disable(chip->ssc->clk);
clk_disable(chip->board->dac_clk);
return 0;
@@ -1091,6 +1101,7 @@ static int snd_at73c213_resume(struct device *dev)
struct snd_at73c213 *chip = card->private_data;
clk_enable(chip->board->dac_clk);
+ clk_enable(chip->ssc->clk);
ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXEN));
return 0;