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-rw-r--r--sound/soc/fsl/mpc5200_dma.c17
-rw-r--r--sound/soc/fsl/mpc5200_psc_ac97.c3
2 files changed, 19 insertions, 1 deletions
diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c
index f0a2d407199..9ff62e3a9b1 100644
--- a/sound/soc/fsl/mpc5200_dma.c
+++ b/sound/soc/fsl/mpc5200_dma.c
@@ -69,6 +69,23 @@ static void psc_dma_bcom_enqueue_next_buffer(struct psc_dma_stream *s)
static void psc_dma_bcom_enqueue_tx(struct psc_dma_stream *s)
{
+ if (s->appl_ptr > s->runtime->control->appl_ptr) {
+ /*
+ * In this case s->runtime->control->appl_ptr has wrapped around.
+ * Play the data to the end of the boundary, then wrap our own
+ * appl_ptr back around.
+ */
+ while (s->appl_ptr < s->runtime->boundary) {
+ if (bcom_queue_full(s->bcom_task))
+ return;
+
+ s->appl_ptr += s->period_size;
+
+ psc_dma_bcom_enqueue_next_buffer(s);
+ }
+ s->appl_ptr -= s->runtime->boundary;
+ }
+
while (s->appl_ptr < s->runtime->control->appl_ptr) {
if (bcom_queue_full(s->bcom_task))
diff --git a/sound/soc/fsl/mpc5200_psc_ac97.c b/sound/soc/fsl/mpc5200_psc_ac97.c
index 7eb549985d4..c4ae3e096bb 100644
--- a/sound/soc/fsl/mpc5200_psc_ac97.c
+++ b/sound/soc/fsl/mpc5200_psc_ac97.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
+#include <linux/delay.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -112,7 +113,7 @@ static void psc_ac97_cold_reset(struct snd_ac97 *ac97)
out_8(&regs->op1, MPC52xx_PSC_OP_RES);
udelay(10);
out_8(&regs->op0, MPC52xx_PSC_OP_RES);
- udelay(50);
+ msleep(1);
psc_ac97_warm_reset(ac97);
}