luck/tmp_suning_uos_patched
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ASoC: dwc: Ensure i2s_reg_comp{1,2} is always initialised

Browse Source 
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: a242cac1d3 ("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>
This commit is contained in:
Jon Medhurst (Tixy) 2016-02-01 15:54:37 +00:00 committed by Mark Brown
parent 92e963f50f
commit d2f916aacc
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sound/soc/dwc/designware_i2s.c
View 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 {