diff options
Diffstat (limited to 'sound/soc/rockchip')
-rw-r--r-- | sound/soc/rockchip/rockchip_i2s.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index aa7d9984022a..d300eee9ddaa 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -13,6 +13,7 @@ #include <linux/of_gpio.h> #include <linux/of_device.h> #include <linux/clk.h> +#include <linux/pinctrl/consumer.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/spinlock.h> @@ -225,7 +226,6 @@ static int rockchip_snd_rxctrl(struct rk_i2s_dev *i2s, int on) if (ret < 0) goto end; regmap_read(i2s->regmap, I2S_CLR, &val); - /* Should wait for clear operation to finish */ while (val) { regmap_read(i2s->regmap, I2S_CLR, &val); @@ -800,20 +800,30 @@ static int rockchip_i2s_probe(struct platform_device *pdev) i2s->bclk_ratio = 64; i2s->pinctrl = devm_pinctrl_get(&pdev->dev); - if (IS_ERR(i2s->pinctrl)) - dev_err(&pdev->dev, "failed to find i2s pinctrl\n"); - i2s->bclk_on = pinctrl_lookup_state(i2s->pinctrl, "bclk_on"); - if (!IS_ERR_OR_NULL(i2s->bclk_on)) { - i2s->bclk_off = pinctrl_lookup_state(i2s->pinctrl, "bclk_off"); - if (IS_ERR_OR_NULL(i2s->bclk_off)) { - dev_err(&pdev->dev, "failed to find i2s bclk_off\n"); - goto err_clk; + if (!IS_ERR(i2s->pinctrl)) { + i2s->bclk_on = pinctrl_lookup_state(i2s->pinctrl, "bclk_on"); + if (!IS_ERR_OR_NULL(i2s->bclk_on)) { + i2s->bclk_off = pinctrl_lookup_state(i2s->pinctrl, "bclk_off"); + if (IS_ERR_OR_NULL(i2s->bclk_off)) { + dev_err(&pdev->dev, "failed to find i2s bclk_off\n"); + goto err_clk; + } } + } else { + dev_err(&pdev->dev, "failed to find i2s pinctrl\n"); } i2s_pinctrl_select_bclk_off(i2s); + i2s->playback_dma_data.addr = res->start + I2S_TXDR; + i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + i2s->playback_dma_data.maxburst = 4; + + i2s->capture_dma_data.addr = res->start + I2S_RXDR; + i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + i2s->capture_dma_data.maxburst = 4; + dev_set_drvdata(&pdev->dev, i2s); pm_runtime_enable(&pdev->dev); |