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Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
-rw-r--r--sound/soc/fsl/fsl_ssi.c47
1 files changed, 19 insertions, 28 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 2595611e8a6d..e8bb8eef1d16 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -603,17 +603,20 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream,
factor = (div2 + 1) * (7 * psr + 1) * 2;
for (i = 0; i < 255; i++) {
- /* The bclk rate must be smaller than 1/5 sysclk rate */
- if (factor * (i + 1) < 5)
- continue;
-
- tmprate = freq * factor * (i + 2);
+ tmprate = freq * factor * (i + 1);
if (baudclk_is_used)
clkrate = clk_get_rate(ssi_private->baudclk);
else
clkrate = clk_round_rate(ssi_private->baudclk, tmprate);
+ /*
+ * Hardware limitation: The bclk rate must be
+ * never greater than 1/5 IPG clock rate
+ */
+ if (clkrate * 5 > clk_get_rate(ssi_private->clk))
+ continue;
+
clkrate /= factor;
afreq = clkrate / (i + 1);
@@ -1224,7 +1227,7 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
ssi_private->dma_params_tx.addr = ssi_private->ssi_phys + CCSR_SSI_STX0;
ssi_private->dma_params_rx.addr = ssi_private->ssi_phys + CCSR_SSI_SRX0;
- ret = !of_property_read_u32_array(np, "dmas", dmas, 4);
+ ret = of_property_read_u32_array(np, "dmas", dmas, 4);
if (ssi_private->use_dma && !ret && dmas[2] == IMX_DMATYPE_SSI_DUAL) {
ssi_private->use_dual_fifo = true;
/* When using dual fifo mode, we need to keep watermark
@@ -1285,7 +1288,7 @@ static int fsl_ssi_probe(struct platform_device *pdev)
const struct of_device_id *of_id;
const char *p, *sprop;
const uint32_t *iprop;
- struct resource res;
+ struct resource *res;
void __iomem *iomem;
char name[64];
@@ -1332,19 +1335,11 @@ static int fsl_ssi_probe(struct platform_device *pdev)
}
ssi_private->cpu_dai_drv.name = dev_name(&pdev->dev);
- /* Get the addresses and IRQ */
- ret = of_address_to_resource(np, 0, &res);
- if (ret) {
- dev_err(&pdev->dev, "could not determine device resources\n");
- return ret;
- }
- ssi_private->ssi_phys = res.start;
-
- iomem = devm_ioremap(&pdev->dev, res.start, resource_size(&res));
- if (!iomem) {
- dev_err(&pdev->dev, "could not map device resources\n");
- return -ENOMEM;
- }
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ iomem = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(iomem))
+ return PTR_ERR(iomem);
+ ssi_private->ssi_phys = res->start;
ret = of_property_match_string(np, "clock-names", "ipg");
if (ret < 0) {
@@ -1390,8 +1385,8 @@ static int fsl_ssi_probe(struct platform_device *pdev)
return ret;
}
- ret = snd_soc_register_component(&pdev->dev, &fsl_ssi_component,
- &ssi_private->cpu_dai_drv, 1);
+ ret = devm_snd_soc_register_component(&pdev->dev, &fsl_ssi_component,
+ &ssi_private->cpu_dai_drv, 1);
if (ret) {
dev_err(&pdev->dev, "failed to register DAI: %d\n", ret);
goto error_asoc_register;
@@ -1404,13 +1399,13 @@ static int fsl_ssi_probe(struct platform_device *pdev)
if (ret < 0) {
dev_err(&pdev->dev, "could not claim irq %u\n",
ssi_private->irq);
- goto error_irq;
+ goto error_asoc_register;
}
}
ret = fsl_ssi_debugfs_create(&ssi_private->dbg_stats, &pdev->dev);
if (ret)
- goto error_irq;
+ goto error_asoc_register;
/*
* If codec-handle property is missing from SSI node, we assume
@@ -1451,9 +1446,6 @@ done:
error_sound_card:
fsl_ssi_debugfs_remove(&ssi_private->dbg_stats);
-error_irq:
- snd_soc_unregister_component(&pdev->dev);
-
error_asoc_register:
if (ssi_private->soc->imx)
fsl_ssi_imx_clean(pdev, ssi_private);
@@ -1469,7 +1461,6 @@ static int fsl_ssi_remove(struct platform_device *pdev)
if (ssi_private->pdev)
platform_device_unregister(ssi_private->pdev);
- snd_soc_unregister_component(&pdev->dev);
if (ssi_private->soc->imx)
fsl_ssi_imx_clean(pdev, ssi_private);