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ASoC: add null check for component prefix

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Check if component prefix is set before use.
Add component prefix for dai widgets before calling
ignore suspend.

Change-Id: Ifa0c727bf46af661cd19b6018bfc25af9a7e3753
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>
This commit is contained in:
Vignesh Kulothungan
2020-07-21 12:09:05 -07:00
parent 04a841333a
commit 91ba27cac5
2 changed files with 40 additions and 29 deletions
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37
asoc/codecs/swr-dmic.c
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@@ -33,6 +33,8 @@
#define NUM_ATTEMPTS 5
#define SWRS_SCP_CONTROL 0x44
#define MAX_NAME_LEN 40
static int swr_master_channel_map[] = {
ZERO,
SWRM_TX1_CH1,
@@ -294,32 +296,37 @@ static int swr_dmic_codec_probe(struct snd_soc_component *component)
snd_soc_component_get_drvdata(component);
struct snd_soc_dapm_context *dapm =
snd_soc_component_get_dapm(component);
char w_name[100];
char w_name[MAX_NAME_LEN];
if (!swr_dmic)
return -EINVAL;
swr_dmic->component = component;
snd_soc_dapm_ignore_suspend(dapm,
swr_dmic->dai_driver->capture.stream_name);
memset(w_name, 0, 100);
strlcpy(w_name, component->name_prefix, 100);
strlcat(w_name, " SWR_DMIC", 100);
if (!component->name_prefix) {
dev_err(component->dev, "%s: component prefix is NULL\n", __func__);
return -EPROBE_DEFER;
}
memset(w_name, 0, sizeof(w_name));
strlcpy(w_name, component->name_prefix, sizeof(w_name));
strlcat(w_name, " ", sizeof(w_name));
strlcat(w_name, swr_dmic->dai_driver->capture.stream_name,
sizeof(w_name));
snd_soc_dapm_ignore_suspend(dapm, w_name);
memset(w_name, 0, 100);
strlcpy(w_name, component->name_prefix, 100);
strlcat(w_name, " SMIC_SUPPLY", 100);
memset(w_name, 0, sizeof(w_name));
strlcpy(w_name, component->name_prefix, sizeof(w_name));
strlcat(w_name, " SWR_DMIC", sizeof(w_name));
snd_soc_dapm_ignore_suspend(dapm, w_name);
memset(w_name, 0, 100);
strlcpy(w_name, component->name_prefix, 100);
strlcat(w_name, " SMIC_PORT_EN", 100);
memset(w_name, 0, sizeof(w_name));
strlcpy(w_name, component->name_prefix, sizeof(w_name));
strlcat(w_name, " SMIC_PORT_EN", sizeof(w_name));
snd_soc_dapm_ignore_suspend(dapm, w_name);
memset(w_name, 0, 100);
strlcpy(w_name, component->name_prefix, 100);
strlcat(w_name, " SWR_DMIC_OUTPUT", 100);
memset(w_name, 0, sizeof(w_name));
strlcpy(w_name, component->name_prefix, sizeof(w_name));
strlcat(w_name, " SWR_DMIC_OUTPUT", sizeof(w_name));
snd_soc_dapm_ignore_suspend(dapm, w_name);
snd_soc_dapm_sync(dapm);