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author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2015-01-14 19:42:31 +0100 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2015-01-14 20:46:54 +0100 |
commit | 0ec2ba807c1563134a865b6f0b326b8a2e776937 (patch) | |
tree | 0c9781c2543adabe0548aba7ab20f3ac28472aa6 /sound/soc/samsung/i2s.c | |
parent | ASoC: samsung: i2s: Request memory region in driver probe() (diff) | |
download | linux-0ec2ba807c1563134a865b6f0b326b8a2e776937.tar.xz linux-0ec2ba807c1563134a865b6f0b326b8a2e776937.zip |
ASoC: samsung: i2s: Move clk_get() to platform driver probe()
Acquire the I2S interface clock in driver probe() callback
as it's a per-device not a per-DAI clock. While at it switch
to the resource managed clk_get().
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/samsung/i2s.c')
-rw-r--r-- | sound/soc/samsung/i2s.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 366b720731e1..a854ffca2416 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -971,18 +971,12 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai) struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai; int ret; - if (other && other->clk) { /* If this is probe on secondary */ + if (is_secondary(i2s)) { /* If this is probe on the secondary DAI */ samsung_asoc_init_dma_data(dai, &other->sec_dai->dma_playback, NULL); goto probe_exit; } - i2s->clk = clk_get(&i2s->pdev->dev, "iis"); - if (IS_ERR(i2s->clk)) { - dev_err(&i2s->pdev->dev, "failed to get i2s_clock\n"); - return PTR_ERR(i2s->clk); - } - ret = clk_prepare_enable(i2s->clk); if (ret != 0) { dev_err(&i2s->pdev->dev, "failed to enable clock: %d\n", ret); @@ -991,10 +985,6 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai) samsung_asoc_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture); - if (other) { - other->clk = i2s->clk; - } - if (i2s->quirks & QUIRK_NEED_RSTCLR) writel(CON_RSTCLR, i2s->addr + I2SCON); @@ -1032,7 +1022,6 @@ static int samsung_i2s_dai_remove(struct snd_soc_dai *dai) writel(0, i2s->addr + I2SCON); clk_disable_unprepare(i2s->clk); - clk_put(i2s->clk); } i2s->clk = NULL; @@ -1222,6 +1211,11 @@ static int samsung_i2s_probe(struct platform_device *pdev) regs_base = res->start; + pri_dai->clk = devm_clk_get(&pdev->dev, "iis"); + if (IS_ERR(pri_dai->clk)) { + dev_err(&pdev->dev, "Failed to get iis clock\n"); + return PTR_ERR(pri_dai->clk); + } pri_dai->dma_playback.dma_addr = regs_base + I2STXD; pri_dai->dma_capture.dma_addr = regs_base + I2SRXD; pri_dai->dma_playback.ch_name = "tx"; @@ -1253,6 +1247,7 @@ static int samsung_i2s_probe(struct platform_device *pdev) sec_dai->dma_playback.dma_size = 4; sec_dai->addr = pri_dai->addr; + sec_dai->clk = pri_dai->clk; sec_dai->quirks = quirks; sec_dai->idma_playback.dma_addr = idma_addr; sec_dai->pri_dai = pri_dai; |