]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/commitdiff
ASoC: dwc: Ensure i2s_reg_comp{1,2} is always initialised
authorJon Medhurst (Tixy) <tixy@linaro.org>
Mon, 1 Feb 2016 15:54:37 +0000 (15:54 +0000)
committerMark Brown <broonie@kernel.org>
Tue, 2 Feb 2016 19:20:18 +0000 (19:20 +0000)
In the case that the driver is configured from device-tree
i2s_reg_comp1 and i2s_reg_comp2 aren't initialised, breaking the driver.
Fix this by unconditionally setting these values before checking for quirks.

Fixes: a242cac1d3aa ("ASoC: dwc: add quirk to override COMP_PARAM_1 register")
Signed-off-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/dwc/designware_i2s.c

index ce664c239be32fda4d269aea1722bb14631e3b22..bff258d7bcea1f380403df5b9380ac7c9aabf835 100644 (file)
@@ -645,6 +645,8 @@ static int dw_i2s_probe(struct platform_device *pdev)
 
        dev->dev = &pdev->dev;
 
+       dev->i2s_reg_comp1 = I2S_COMP_PARAM_1;
+       dev->i2s_reg_comp2 = I2S_COMP_PARAM_2;
        if (pdata) {
                dev->capability = pdata->cap;
                clk_id = NULL;
@@ -652,9 +654,6 @@ static int dw_i2s_probe(struct platform_device *pdev)
                if (dev->quirks & DW_I2S_QUIRK_COMP_REG_OFFSET) {
                        dev->i2s_reg_comp1 = pdata->i2s_reg_comp1;
                        dev->i2s_reg_comp2 = pdata->i2s_reg_comp2;
-               } else {
-                       dev->i2s_reg_comp1 = I2S_COMP_PARAM_1;
-                       dev->i2s_reg_comp2 = I2S_COMP_PARAM_2;
                }
                ret = dw_configure_dai_by_pd(dev, dw_i2s_dai, res, pdata);
        } else {