ASoC: fsl_sai: Remove expensive print in irq handler

When stopping audio, ASoC will first stop DMA then CPU DAI.
Sometimes there is a delay between DMA stop and CPU DAI stop, which
triggers an underrun error. Now, because of the delay introduced
by dev_err another underrun error will occur causing a vicious circle
making impossible to stop CPU DAI.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 4163f2c..db9e087 100644 (file)
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -62,10 +62,10 @@ static irqreturn_t fsl_sai_isr(int irq, void *devid)
                dev_dbg(dev, "isr: Start of Tx word detected\n");
 
        if (flags & FSL_SAI_CSR_SEF)
-               dev_warn(dev, "isr: Tx Frame sync error detected\n");
+               dev_dbg(dev, "isr: Tx Frame sync error detected\n");
 
        if (flags & FSL_SAI_CSR_FEF) {
-               dev_warn(dev, "isr: Transmit underrun detected\n");
+               dev_dbg(dev, "isr: Transmit underrun detected\n");
                /* FIFO reset for safety */
                xcsr |= FSL_SAI_CSR_FR;
        }
@@ -96,10 +96,10 @@ irq_rx:
                dev_dbg(dev, "isr: Start of Rx word detected\n");
 
        if (flags & FSL_SAI_CSR_SEF)
-               dev_warn(dev, "isr: Rx Frame sync error detected\n");
+               dev_dbg(dev, "isr: Rx Frame sync error detected\n");
 
        if (flags & FSL_SAI_CSR_FEF) {
-               dev_warn(dev, "isr: Receive overflow detected\n");
+               dev_dbg(dev, "isr: Receive overflow detected\n");
                /* FIFO reset for safety */
                xcsr |= FSL_SAI_CSR_FR;
        }