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hexagonrpcd/rpcd_builder: add mapping for socinfo sysfs

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Needed for some Xiaomi phones such as Poco F1.
Based on https://gitlab.com/sdm670-mainline/hexagonrpc/-/merge_requests/1.
Thanks to the initial findings of @longnoserob in the above MR!
This commit is contained in:
Joel Selvaraj
2024-05-10 13:23:55 -05:00
parent f6d8a0e686
commit 54ba43fbc3
1 changed files with 14 additions and 2 deletions
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16
hexagonrpcd/rpcd_builder.c
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@@ -31,6 +31,7 @@
#define SENSORS_CONFIG "/sensors/config/"
#define SENSORS_REGISTRY "/sensors/registry/"
#define SNS_REG_CONFIG "/sensors/sns_reg.conf"
#define SYSFS_SOCINFO "/socinfo/"
static struct hexagonfs_dirent *hfs_mkdir(const char *name, size_t n_ents, ...)
{
@@ -110,7 +111,7 @@ static struct hexagonfs_dirent *hfs_map_or_empty(const char *name, const char *p
*/
struct hexagonfs_dirent *construct_root_dir(const char *prefix, const char *dsp)
{
char *acdbdata, *dsp_libs, *sns_cfg, *sns_reg, *sns_reg_config;
char *acdbdata, *dsp_libs, *sns_cfg, *sns_reg, *sns_reg_config, *socinfo;
size_t n_prefix;
struct hexagonfs_dirent *persist_dir;
@@ -120,6 +121,7 @@ struct hexagonfs_dirent *construct_root_dir(const char *prefix, const char *dsp)
sns_cfg = malloc(n_prefix + strlen(SENSORS_CONFIG) + 1);
sns_reg = malloc(n_prefix + strlen(SENSORS_REGISTRY) + 1);
sns_reg_config = malloc(n_prefix + strlen(SNS_REG_CONFIG) + 1);
socinfo = malloc(n_prefix + strlen(SYSFS_SOCINFO) + 1);
dsp_libs = malloc(n_prefix + strlen(DSP_LIBS) + strlen(dsp) + 1);
@@ -143,6 +145,11 @@ struct hexagonfs_dirent *construct_root_dir(const char *prefix, const char *dsp)
strcat(sns_reg_config, SNS_REG_CONFIG);
}
if (socinfo != NULL) {
strcpy(socinfo, prefix);
strcat(socinfo, SYSFS_SOCINFO);
}
if (dsp_libs != NULL) {
strcpy(dsp_libs, prefix);
strcat(dsp_libs, DSP_LIBS);
@@ -161,13 +168,18 @@ struct hexagonfs_dirent *construct_root_dir(const char *prefix, const char *dsp)
)
);
return hfs_mkdir("/", 4,
return hfs_mkdir("/", 5,
hfs_mkdir("mnt", 1,
hfs_mkdir("vendor", 1,
persist_dir
)
),
persist_dir,
hfs_mkdir("sys", 1,
hfs_mkdir("devices", 1,
hfs_map_or_empty("soc0", socinfo)
)
),
hfs_mkdir("usr", 1,
hfs_mkdir("lib", 1,
hfs_mkdir("qcom", 1,