diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/blackfin/bf5xx-i2s.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sound/soc/blackfin/bf5xx-i2s.c b/sound/soc/blackfin/bf5xx-i2s.c index 964824419678..0e8af48650be 100644 --- a/sound/soc/blackfin/bf5xx-i2s.c +++ b/sound/soc/blackfin/bf5xx-i2s.c @@ -50,6 +50,7 @@ struct bf5xx_i2s_port { u16 tcr2; u16 rcr2; int counter; + int configured; }; static struct bf5xx_i2s_port bf5xx_i2s; @@ -168,7 +169,7 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream, break; } - if (bf5xx_i2s.counter == 1) { + if (!bf5xx_i2s.configured) { /* * TX and RX are not independent,they are enabled at the * same time, even if only one side is running. So, we @@ -177,6 +178,7 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream, * * CPU DAI:slave mode. */ + bf5xx_i2s.configured = 1; ret = sport_config_rx(sport_handle, bf5xx_i2s.rcr1, bf5xx_i2s.rcr2, 0, 0); if (ret) { @@ -200,6 +202,9 @@ static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream, { pr_debug("%s enter\n", __func__); bf5xx_i2s.counter--; + /* No active stream, SPORT is allowed to be configured again. */ + if (!bf5xx_i2s.counter) + bf5xx_i2s.configured = 0; } static int bf5xx_i2s_probe(struct platform_device *pdev, |