ASoC: qcom: Fix incorrect volatile registers

MI2S and DMA control registers are not volatile, so remove these from volatile registers list.
Registers reset state check by reading non volatile registers makes no use,
so remove error check from cpu and platform trigger callbacks.
Initialized map variable two times in lpass platform trigger API,
so remove redundant initialization.

Fixes commit b1824968221cc ("ASoC: qcom: Fix enabling BCLK and LRCLK in LPAIF invalid state")

Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Link: https://lore.kernel.org/r/1608192514-29695-2-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c
index af684fd19ab9e7b50f8f3147bb32e66ff1c2c2aa..c5e99c2d89c7ed65b3ae4eacd69a449df5b37d4b 100644 (file)
--- a/sound/soc/qcom/lpass-cpu.c
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -270,18 +270,6 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
        struct lpaif_i2sctl *i2sctl = drvdata->i2sctl;
        unsigned int id = dai->driver->id;
        int ret = -EINVAL;
-       unsigned int val = 0;
-
-       ret = regmap_read(drvdata->lpaif_map,
-                               LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id), &val);
-       if (ret) {
-               dev_err(dai->dev, "error reading from i2sctl reg: %d\n", ret);
-               return ret;
-       }
-       if (val == LPAIF_I2SCTL_RESET_STATE) {
-               dev_err(dai->dev, "error in i2sctl register state\n");
-               return -ENOTRECOVERABLE;
-       }
 
        switch (cmd) {
        case SNDRV_PCM_TRIGGER_START:
@@ -454,20 +442,16 @@ static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg)
        struct lpass_variant *v = drvdata->variant;
        int i;
 
-       for (i = 0; i < v->i2s_ports; ++i)
-               if (reg == LPAIF_I2SCTL_REG(v, i))
-                       return true;
        for (i = 0; i < v->irq_ports; ++i)
                if (reg == LPAIF_IRQSTAT_REG(v, i))
                        return true;
 
        for (i = 0; i < v->rdma_channels; ++i)
-               if (reg == LPAIF_RDMACURR_REG(v, i) || reg == LPAIF_RDMACTL_REG(v, i))
+               if (reg == LPAIF_RDMACURR_REG(v, i))
                        return true;
 
        for (i = 0; i < v->wrdma_channels; ++i)
-               if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start) ||
-                       reg == LPAIF_WRDMACTL_REG(v, i + v->wrdma_channel_start))
+               if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start))
                        return true;
 
        return false;

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index 80b09dede5f9cbefb4f6a6a7d968ea2166ada871..232deee6fde56a43a902ff736f7d5ce247740a01 100644 (file)
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -452,7 +452,6 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component,
        unsigned int reg_irqclr = 0, val_irqclr = 0;
        unsigned int  reg_irqen = 0, val_irqen = 0, val_mask = 0;
        unsigned int dai_id = cpu_dai->driver->id;
-       unsigned int dma_ctrl_reg = 0;
 
        ch = pcm_data->dma_ch;
        if (dir ==  SNDRV_PCM_STREAM_PLAYBACK) {
@@ -469,17 +468,7 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component,
                id = pcm_data->dma_ch - v->wrdma_channel_start;
                map = drvdata->lpaif_map;
        }
-       ret = regmap_read(map, LPAIF_DMACTL_REG(v, ch, dir, dai_id), &dma_ctrl_reg);
-       if (ret) {
-               dev_err(soc_runtime->dev, "error reading from rdmactl reg: %d\n", ret);
-               return ret;
-       }
 
-       if (dma_ctrl_reg == LPAIF_DMACTL_RESET_STATE ||
-               dma_ctrl_reg == LPAIF_DMACTL_RESET_STATE + 1) {
-               dev_err(soc_runtime->dev, "error in rdmactl register state\n");
-               return -ENOTRECOVERABLE;
-       }
        switch (cmd) {
        case SNDRV_PCM_TRIGGER_START:
        case SNDRV_PCM_TRIGGER_RESUME:
@@ -500,7 +489,6 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component,
                                        "error writing to rdmactl reg: %d\n", ret);
                                return ret;
                        }
-                       map = drvdata->hdmiif_map;
                        reg_irqclr = LPASS_HDMITX_APP_IRQCLEAR_REG(v);
                        val_irqclr = (LPAIF_IRQ_ALL(ch) |
                                        LPAIF_IRQ_HDMI_REQ_ON_PRELOAD(ch) |
@@ -519,7 +507,6 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component,
                        break;
                case MI2S_PRIMARY:
                case MI2S_SECONDARY:
-                       map = drvdata->lpaif_map;
                        reg_irqclr = LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST);
                        val_irqclr = LPAIF_IRQ_ALL(ch);
 
@@ -563,7 +550,6 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component,
                                        "error writing to rdmactl reg: %d\n", ret);
                                return ret;
                        }
-                       map = drvdata->hdmiif_map;
                        reg_irqen = LPASS_HDMITX_APP_IRQEN_REG(v);
                        val_mask = (LPAIF_IRQ_ALL(ch) |
                                        LPAIF_IRQ_HDMI_REQ_ON_PRELOAD(ch) |
@@ -573,7 +559,6 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component,
                        break;
                case MI2S_PRIMARY:
                case MI2S_SECONDARY:
-                       map = drvdata->lpaif_map;
                        reg_irqen = LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST);
                        val_mask = LPAIF_IRQ_ALL(ch);
                        val_irqen = 0;