diff options
Diffstat (limited to 'sound/soc/bcm/bcm63xx-pcm-whistler.c')
| -rw-r--r-- | sound/soc/bcm/bcm63xx-pcm-whistler.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/soc/bcm/bcm63xx-pcm-whistler.c b/sound/soc/bcm/bcm63xx-pcm-whistler.c index 018f2372e892..e3a4fcc63a56 100644 --- a/sound/soc/bcm/bcm63xx-pcm-whistler.c +++ b/sound/soc/bcm/bcm63xx-pcm-whistler.c @@ -256,12 +256,16 @@ static irqreturn_t i2s_dma_isr(int irq, void *bcm_i2s_priv) offlevel = (int_status & I2S_RX_DESC_OFF_LEVEL_MASK) >> I2S_RX_DESC_OFF_LEVEL_SHIFT; + bool val_read = false; while (offlevel) { regmap_read(regmap_i2s, I2S_RX_DESC_OFF_ADDR, &val_1); regmap_read(regmap_i2s, I2S_RX_DESC_OFF_LEN, &val_2); + val_read = true; offlevel--; } - prtd->dma_addr_next = val_1 + val_2; + if (val_read) + prtd->dma_addr_next = val_1 + val_2; + ifflevel = (int_status & I2S_RX_DESC_IFF_LEVEL_MASK) >> I2S_RX_DESC_IFF_LEVEL_SHIFT; |