diff options
Diffstat (limited to 'sound/soc/stm/stm32_i2s.c')
| -rw-r--r-- | sound/soc/stm/stm32_i2s.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c index 7d4c67433916..7f56d7b51ba3 100644 --- a/sound/soc/stm/stm32_i2s.c +++ b/sound/soc/stm/stm32_i2s.c @@ -554,10 +554,6 @@ static int stm32_i2s_startup(struct snd_pcm_substream *substream, return ret; } - spin_lock(&i2s->lock_fd); - i2s->refcount++; - spin_unlock(&i2s->lock_fd); - return regmap_write_bits(i2s->regmap, STM32_I2S_IFCR_REG, I2S_IFCR_MASK, I2S_IFCR_MASK); } @@ -613,18 +609,19 @@ static int stm32_i2s_trigger(struct snd_pcm_substream *substream, int cmd, regmap_write_bits(i2s->regmap, STM32_I2S_IFCR_REG, I2S_IFCR_MASK, I2S_IFCR_MASK); + spin_lock(&i2s->lock_fd); + i2s->refcount++; if (playback_flg) { ier = I2S_IER_UDRIE; } else { ier = I2S_IER_OVRIE; - spin_lock(&i2s->lock_fd); if (i2s->refcount == 1) /* dummy write to trigger capture */ regmap_write(i2s->regmap, STM32_I2S_TXDR_REG, 0); - spin_unlock(&i2s->lock_fd); } + spin_unlock(&i2s->lock_fd); if (STM32_I2S_IS_SLAVE(i2s)) ier |= I2S_IER_TIFREIE; @@ -649,7 +646,6 @@ static int stm32_i2s_trigger(struct snd_pcm_substream *substream, int cmd, spin_unlock(&i2s->lock_fd); break; } - spin_unlock(&i2s->lock_fd); dev_dbg(cpu_dai->dev, "stop I2S\n"); @@ -657,8 +653,10 @@ static int stm32_i2s_trigger(struct snd_pcm_substream *substream, int cmd, I2S_CR1_SPE, 0); if (ret < 0) { dev_err(cpu_dai->dev, "Error %d disabling I2S\n", ret); + spin_unlock(&i2s->lock_fd); return ret; } + spin_unlock(&i2s->lock_fd); cfg1_mask = I2S_CFG1_RXDMAEN | I2S_CFG1_TXDMAEN; regmap_update_bits(i2s->regmap, STM32_I2S_CFG1_REG, |