[PATCH v1 12/14] ASoC: qcom: apq8016: set the correct max register for regmap

From: Srinivas Kandagatla
Date: Wed Feb 10 2016 - 05:20:10 EST


Now that we are ready to access wrdma registers, set the max register
and other regmap related configs to use correct values.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Acked-by: Kenneth Westfield <kwestfie@xxxxxxxxxxxxxx>
---
sound/soc/qcom/lpass-cpu.c | 33 +++++++++++++++++++++++++++++++--
1 file changed, 31 insertions(+), 2 deletions(-)

diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c
index 00b6c9d..82e16b2 100644
--- a/sound/soc/qcom/lpass-cpu.c
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -294,6 +294,17 @@ static bool lpass_cpu_regmap_writeable(struct device *dev, unsigned int reg)
return true;
}

+ for (i = 0; i < v->wrdma_channels; ++i) {
+ if (reg == LPAIF_WRDMACTL_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMABASE_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMABUFF_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMAPER_REG(v, i + v->wrdma_channel_start))
+ return true;
+ }
+
return false;
}

@@ -327,6 +338,19 @@ static bool lpass_cpu_regmap_readable(struct device *dev, unsigned int reg)
return true;
}

+ for (i = 0; i < v->wrdma_channels; ++i) {
+ if (reg == LPAIF_WRDMACTL_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMABASE_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMABUFF_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMAPER_REG(v, i + v->wrdma_channel_start))
+ return true;
+ }
+
return false;
}

@@ -344,6 +368,10 @@ static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg)
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))
+ return true;
+
return false;
}

@@ -399,8 +427,9 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
return PTR_ERR((void const __force *)drvdata->lpaif);
}

- lpass_cpu_regmap_config.max_register = LPAIF_RDMAPER_REG(variant,
- variant->rdma_channels);
+ lpass_cpu_regmap_config.max_register = LPAIF_WRDMAPER_REG(variant,
+ variant->wrdma_channels +
+ variant->wrdma_channel_start);

drvdata->lpaif_map = devm_regmap_init_mmio(&pdev->dev, drvdata->lpaif,
&lpass_cpu_regmap_config);
--
1.9.1