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Diffstat (limited to 'sound/soc/rockchip/rockchip_pdm.c')
-rw-r--r--sound/soc/rockchip/rockchip_pdm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c
index 400e29edb1c9..d0b403a0e27b 100644
--- a/sound/soc/rockchip/rockchip_pdm.c
+++ b/sound/soc/rockchip/rockchip_pdm.c
@@ -24,7 +24,7 @@
#include "rockchip_pdm.h"
-#define PDM_DMA_BURST_SIZE (16) /* size * width: 16*4 = 64 bytes */
+#define PDM_DMA_BURST_SIZE (8) /* size * width: 8*4 = 32 bytes */
struct rk_pdm_dev {
struct device *dev;
@@ -208,7 +208,9 @@ static int rockchip_pdm_set_fmt(struct snd_soc_dai *cpu_dai,
return -EINVAL;
}
+ pm_runtime_get_sync(cpu_dai->dev);
regmap_update_bits(pdm->regmap, PDM_CLK_CTRL, mask, val);
+ pm_runtime_put(cpu_dai->dev);
return 0;
}