On 07/25/2014 12:49 PM, Nicolin Chen wrote:
(...)
+
+ div[IN] = clk_get_rate(clk) / inrate;
+ if (div[IN] == 0) {
+ pair_err("failed to support input sample rate %dHz by asrck_%x",
+ inrate, clk_index[ideal ? OUT : IN]);
Ohhhhh... missed terminating new line...
+ return -EINVAL;
+ }
+
+ clk = asrc_priv->asrck_clk[clk_index[OUT]];
+
+ /* Use fixed output rate for Ideal Ratio mode (INCLK_NONE) */
+ if (ideal)
+ div[OUT] = clk_get_rate(clk) / IDEAL_RATIO_RATE;
+ else
+ div[OUT] = clk_get_rate(clk) / outrate;
+
+ if (div[OUT] == 0) {
+ pair_err("failed to support output sample rate %dHz by asrck_%x",
+ outrate, clk_index[OUT]);
same..
+ return -EINVAL;
+ }
+
+
(...)
+static int fsl_asrc_init(struct fsl_asrc *asrc_priv)
+{
+ /* Halt ASRC internal FP when input FIFO needs data for pair A, B, C */
+ regmap_write(asrc_priv->regmap, REG_ASRCTR, ASRCTR_ASRCEN);
+
+ /* Disable interrupt by default */
+ regmap_write(asrc_priv->regmap, REG_ASRIER, 0x0);
+
+ /* Apply recommended settings for parameters from Reference Manual */
+ regmap_write(asrc_priv->regmap, REG_ASRPM1, 0x7fffff);
+ regmap_write(asrc_priv->regmap, REG_ASRPM2, 0x255555);
+ regmap_write(asrc_priv->regmap, REG_ASRPM3, 0xff7280);
+ regmap_write(asrc_priv->regmap, REG_ASRPM4, 0xff7280);
+ regmap_write(asrc_priv->regmap, REG_ASRPM5, 0xff7280);
+
+ /* Base address for task queue FIFO. Set to 0x7C */
+ regmap_update_bits(asrc_priv->regmap, REG_ASRTFR1,
+ ASRTFR1_TF_BASE_MASK, ASRTFR1_TF_BASE(0xfc));
+
+ /* Set the processing clock for 76KHz to 133M */
+ regmap_write(asrc_priv->regmap, REG_ASR76K, 0x06D6);
+
+ /* Set the processing clock for 56KHz to 133M */
+ regmap_write(asrc_priv->regmap, REG_ASR56K, 0x0947);
No where we are checking the return value here, but return zero...?
check the regmap_write return value then return or implement this to void...
+
+ return 0;
+}
+
+/**
+ * Interrupt handler for ASRC
+ */
+
(...)
+static const struct platform_device_id fsl_asrc_devtype[] = {
+ {
+ .name = "imx35-asrc",
+ .driver_data = IMX35_ASRC,
+ }, {
+ .name = "imx53-asrc",
+ .driver_data = IMX53_ASRC,
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(platform, fsl_asrc_devtype);
+
where are you using fsl_asrc_devtype,,,?
+static const struct of_device_id fsl_asrc_ids[] = {
+ {
+ .compatible = "fsl,imx35-asrc",
+ .data = &fsl_asrc_devtype[IMX35_ASRC],
Ya here ... but what is the use...?
+ }, {
+ .compatible = "fsl,imx53-asrc",
+ .data = &fsl_asrc_devtype[IMX53_ASRC],
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(of, fsl_asrc_ids);
+
(...)
+ asrc_priv->regmap = devm_regmap_init_mmio_clk(&pdev->dev,
+ "mem", regs, &fsl_asrc_regmap_config);
devm_regmap_init_mmio_clk(&pdev->dev,
"mem", regs,
&fsl_asrc_regmap_config);
+ if (IS_ERR(asrc_priv->regmap)) {
+ dev_err(&pdev->dev, "failed to init regmap\n");
+ return PTR_ERR(asrc_priv->regmap);
+ }
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ dev_err(&pdev->dev, "no irq for node %s\n", np->full_name);
+ return irq;
+ }
+
+ ret = devm_request_irq(&pdev->dev, irq, fsl_asrc_isr, 0,
+ asrc_priv->name, asrc_priv);
same...
Thanks...
--
Regards,
Varka Bhadram.
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