diff options
Diffstat (limited to 'sound/soc/atmel/atmel-classd.c')
| -rw-r--r-- | sound/soc/atmel/atmel-classd.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c index 8276675730ef..6107de9c538b 100644 --- a/sound/soc/atmel/atmel-classd.c +++ b/sound/soc/atmel/atmel-classd.c @@ -106,7 +106,7 @@ static const struct snd_pcm_hardware atmel_classd_hw = { .rates = ATMEL_CLASSD_RATES, .rate_min = 8000, .rate_max = 96000, - .channels_min = 2, + .channels_min = 1, .channels_max = 2, .buffer_bytes_max = 64 * 1024, .period_bytes_min = 256, @@ -145,7 +145,7 @@ static const struct snd_soc_dai_ops atmel_classd_cpu_dai_ops = { static struct snd_soc_dai_driver atmel_classd_cpu_dai = { .playback = { - .channels_min = 2, + .channels_min = 1, .channels_max = 2, .rates = ATMEL_CLASSD_RATES, .formats = SNDRV_PCM_FMTBIT_S16_LE,}, @@ -171,9 +171,13 @@ atmel_classd_platform_configure_dma(struct snd_pcm_substream *substream, return -EINVAL; } + if (params_channels(params) == 1) + slave_config->dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; + else + slave_config->dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + slave_config->direction = DMA_MEM_TO_DEV; slave_config->dst_addr = dd->phy_base + CLASSD_THR; - slave_config->dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; slave_config->dst_maxburst = 1; slave_config->src_maxburst = 1; slave_config->device_fc = false; @@ -486,7 +490,7 @@ static struct snd_soc_dai_driver atmel_classd_codec_dai = { .name = ATMEL_CLASSD_CODEC_DAI_NAME, .playback = { .stream_name = "Playback", - .channels_min = 2, + .channels_min = 1, .channels_max = 2, .rates = ATMEL_CLASSD_RATES, .formats = SNDRV_PCM_FMTBIT_S16_LE, @@ -636,8 +640,10 @@ static int atmel_classd_probe(struct platform_device *pdev) /* register sound card */ card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); - if (!card) - return -ENOMEM; + if (!card) { + ret = -ENOMEM; + goto unregister_codec; + } snd_soc_card_set_drvdata(card, dd); platform_set_drvdata(pdev, card); @@ -645,16 +651,20 @@ static int atmel_classd_probe(struct platform_device *pdev) ret = atmel_classd_asoc_card_init(dev, card); if (ret) { dev_err(dev, "failed to init sound card\n"); - return ret; + goto unregister_codec; } ret = devm_snd_soc_register_card(dev, card); if (ret) { dev_err(dev, "failed to register sound card: %d\n", ret); - return ret; + goto unregister_codec; } return 0; + +unregister_codec: + snd_soc_unregister_codec(dev); + return ret; } static int atmel_classd_remove(struct platform_device *pdev) |