On 5/21/20 11:25 AM, Lukasz Majczak wrote:
Split be_hw_params_fixup function for different codecs as current common
function, leads to crash while trying to get snd_soc_dpcm with
container_of() macro in kabylake_ssp_fixup().
The crash call path looks as below:
soc_pcm_hw_params()
snd_soc_dai_hw_params(codec_dai, substream, &codec_params);
rtd->dai_link->be_hw_params_fixup(rtd, params)
kabylake_ssp_fixup()
In this case, codec_params is just a copy of an internal structure and is
not embedded into struct snd_soc_dpcm thus we cannot use
container_of() on it.
v1 -> v2:
- Extract dmic from SSP0 as every BE should have own fixup function.
v2 -> v3:
- Restore naming in the dapm route table to not confuse with other
drivers
- Fixed indentations
you need the changelog to be below the --- marker two lines down.
Signed-off-by: Lukasz Majczak <l...@semihalf.com>
---
[...]
+static int kabylake_dmic01_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ int ret = 0;
+
+ ret = snd_soc_dai_set_tdm_slot(rtd->codec_dai, 0xF, 0, 8, 16);
+ if (ret < 0) {
+ dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_sysclk(rtd->codec_dai,
+ RT5514_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(rtd->dev, "set sysclk err: %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+
static struct snd_soc_ops kabylake_ssp0_ops = {
.hw_params = kabylake_ssp0_hw_params,
};
+static struct snd_soc_ops kabylake_dmic01_ops = {
+ .hw_params = kabylake_dmic01_hw_params,
+};
+
static const unsigned int channels_dmic[] = {
4,
};
@@ -507,14 +528,19 @@ SND_SOC_DAILINK_DEF(ssp0_pin,
SND_SOC_DAILINK_DEF(ssp0_codec,
DAILINK_COMP_ARRAY(
/* Left */ COMP_CODEC(MAXIM_DEV0_NAME, KBL_MAXIM_CODEC_DAI),
- /* Right */COMP_CODEC(MAXIM_DEV1_NAME, KBL_MAXIM_CODEC_DAI),
- /* dmic */ COMP_CODEC(RT5514_DEV_NAME, KBL_REALTEK_DMIC_CODEC_DAI)));
+ /* Right */COMP_CODEC(MAXIM_DEV1_NAME, KBL_MAXIM_CODEC_DAI)));
SND_SOC_DAILINK_DEF(ssp1_pin,
DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
SND_SOC_DAILINK_DEF(ssp1_codec,
DAILINK_COMP_ARRAY(COMP_CODEC(RT5663_DEV_NAME, KBL_REALTEK_CODEC_DAI)));
+SND_SOC_DAILINK_DEF(dmic01_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
+SND_SOC_DAILINK_DEF(dmic01_codec,
+ DAILINK_COMP_ARRAY(
+ COMP_CODEC(RT5514_DEV_NAME, KBL_REALTEK_DMIC_CODEC_DAI)));
+
SND_SOC_DAILINK_DEF(idisp1_pin,
DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
SND_SOC_DAILINK_DEF(idisp1_codec,
@@ -618,9 +644,8 @@ static struct snd_soc_dai_link kabylake_dais[] = {
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ignore_pmdown_time = 1,
- .be_hw_params_fixup = kabylake_ssp_fixup,
+ .be_hw_params_fixup = kabylake_ssp0_fixup,
.dpcm_playback = 1,
- .dpcm_capture = 1,
.ops = &kabylake_ssp0_ops,
SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
},
@@ -632,12 +657,25 @@ static struct snd_soc_dai_link kabylake_dais[] = {
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ignore_pmdown_time = 1,
- .be_hw_params_fixup = kabylake_ssp_fixup,
+ .be_hw_params_fixup = kabylake_ssp1_fixup,
.ops = &kabylake_rt5663_ops,
.dpcm_playback = 1,
.dpcm_capture = 1,
SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
},
+ {
+ .name = "dmic01",
+ .id = 2,
+ .no_pcm = 1,
+ .dai_fmt = SND_SOC_DAIFMT_DSP_B |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ .ignore_pmdown_time = 1,
+ .be_hw_params_fixup = kabylake_dmic_fixup,
+ .dpcm_capture = 1,
+ .ops = &kabylake_dmic01_ops,
+ SND_SOC_DAILINK_REG(dmic01_pin, dmic01_codec, platform),
+ },
don't add a new dailink, this is not right.
{
.name = "iDisp1",
.id = 3,
base-commit: a4f6fc98cd2fa1774bcaeb248c67156ef9402a56
