summaryrefslogtreecommitdiffstats
path: root/sound/soc/fsl/fsl_ssi.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
-rw-r--r--sound/soc/fsl/fsl_ssi.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 059496e..b9fabbf 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -160,7 +160,7 @@ struct fsl_ssi_soc_data {
*/
struct fsl_ssi_private {
struct regmap *regs;
- unsigned int irq;
+ int irq;
struct snd_soc_dai_driver cpu_dai_drv;
unsigned int dai_fmt;
@@ -603,10 +603,6 @@ 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);
if (baudclk_is_used)
@@ -614,6 +610,13 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream,
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);
@@ -992,8 +995,8 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, u32 tx_mask,
regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_SSIEN,
CCSR_SSI_SCR_SSIEN);
- regmap_write(regs, CCSR_SSI_STMSK, tx_mask);
- regmap_write(regs, CCSR_SSI_SRMSK, rx_mask);
+ regmap_write(regs, CCSR_SSI_STMSK, ~tx_mask);
+ regmap_write(regs, CCSR_SSI_SRMSK, ~rx_mask);
regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_SSIEN, val);
@@ -1362,8 +1365,8 @@ static int fsl_ssi_probe(struct platform_device *pdev)
}
ssi_private->irq = platform_get_irq(pdev, 0);
- if (ssi_private->irq < 0) {
- dev_err(&pdev->dev, "no irq for node %s\n", np->full_name);
+ if (!ssi_private->irq) {
+ dev_err(&pdev->dev, "no irq for node %s\n", pdev->name);
return ssi_private->irq;
}
OpenPOWER on IntegriCloud