diff options
Diffstat (limited to 'sound/soc/loongson/loongson_dma.c')
| -rw-r--r-- | sound/soc/loongson/loongson_dma.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/sound/soc/loongson/loongson_dma.c b/sound/soc/loongson/loongson_dma.c index 4fcc2868160b..20e4a0641340 100644 --- a/sound/soc/loongson/loongson_dma.c +++ b/sound/soc/loongson/loongson_dma.c @@ -17,11 +17,11 @@ #include "loongson_i2s.h" /* DMA dma_order Register */ -#define DMA_ORDER_STOP (1 << 4) /* DMA stop */ -#define DMA_ORDER_START (1 << 3) /* DMA start */ -#define DMA_ORDER_ASK_VALID (1 << 2) /* DMA ask valid flag */ -#define DMA_ORDER_AXI_UNCO (1 << 1) /* Uncache access */ -#define DMA_ORDER_ADDR_64 (1 << 0) /* 64bits address support */ +#define DMA_ORDER_STOP BIT(4) /* DMA stop */ +#define DMA_ORDER_START BIT(3) /* DMA start */ +#define DMA_ORDER_ASK_VALID BIT(2) /* DMA ask valid flag */ +#define DMA_ORDER_AXI_UNCO BIT(1) /* Uncache access */ +#define DMA_ORDER_ADDR_64 BIT(0) /* 64bits address support */ #define DMA_ORDER_ASK_MASK (~0x1fUL) /* Ask addr mask */ #define DMA_ORDER_CTRL_MASK (0x0fUL) /* Control mask */ @@ -95,7 +95,6 @@ static int loongson_pcm_trigger(struct snd_soc_component *component, struct device *dev = substream->pcm->card->dev; void __iomem *order_reg = prtd->dma_data->order_addr; u64 val; - int ret = 0; switch (cmd) { case SNDRV_PCM_TRIGGER_START: @@ -129,7 +128,7 @@ static int loongson_pcm_trigger(struct snd_soc_component *component, return -EINVAL; } - return ret; + return 0; } static int loongson_pcm_hw_params(struct snd_soc_component *component, @@ -230,7 +229,6 @@ static int loongson_pcm_open(struct snd_soc_component *component, struct snd_card *card = substream->pcm->card; struct loongson_runtime_data *prtd; struct loongson_dma_data *dma_data; - int ret; /* * For mysterious reasons (and despite what the manual says) @@ -252,20 +250,17 @@ static int loongson_pcm_open(struct snd_soc_component *component, prtd->dma_desc_arr = dma_alloc_coherent(card->dev, PAGE_SIZE, &prtd->dma_desc_arr_phy, GFP_KERNEL); - if (!prtd->dma_desc_arr) { - ret = -ENOMEM; + if (!prtd->dma_desc_arr) goto desc_err; - } + prtd->dma_desc_arr_size = PAGE_SIZE / sizeof(*prtd->dma_desc_arr); prtd->dma_pos_desc = dma_alloc_coherent(card->dev, sizeof(*prtd->dma_pos_desc), &prtd->dma_pos_desc_phy, GFP_KERNEL); - if (!prtd->dma_pos_desc) { - ret = -ENOMEM; + if (!prtd->dma_pos_desc) goto pos_err; - } dma_data = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream); prtd->dma_data = dma_data; @@ -279,7 +274,7 @@ pos_err: desc_err: kfree(prtd); - return ret; + return -ENOMEM; } static int loongson_pcm_close(struct snd_soc_component *component, |