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Code Issues Releases Wiki Activity

media: atomisp: improve ACPI/DMI detection logs

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As there are several ways where the driver could possible
retrieve sensor data, make the prints clearer about what
was detected and from where.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-06-04 17:04:33 +02:00
parent c25ad350f1
commit f4f90edf90
1 changed files with 12 additions and 6 deletions
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18
drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c
View file

@ -922,7 +922,8 @@ int atomisp_gmin_register_vcm_control(struct camera_vcm_control *vcmCtrl)
}
EXPORT_SYMBOL_GPL(atomisp_gmin_register_vcm_control);
static int gmin_get_hardcoded_var(struct gmin_cfg_var *varlist,
static int gmin_get_hardcoded_var(struct device *dev,
struct gmin_cfg_var *varlist,
const char *var8, char *out, size_t *out_len)
{
struct gmin_cfg_var *gv;
@ -933,6 +934,8 @@ static int gmin_get_hardcoded_var(struct gmin_cfg_var *varlist,
if (strcmp(var8, gv->name))
continue;
dev_info(dev, "Found DMI entry for '%s'\n", var8);
vl = strlen(gv->val);
if (vl > *out_len - 1)
return -ENOSPC;
@ -1056,9 +1059,10 @@ static int gmin_get_config_var(struct device *maindev,
*/
id = dmi_first_match(gmin_vars);
if (id) {
dev_info(maindev, "Found DMI entry for '%s'\n", var8);
return gmin_get_hardcoded_var(id->driver_data, var8, out,
out_len);
ret = gmin_get_hardcoded_var(maindev, id->driver_data, var8,
out, out_len);
if (!ret)
return 0;
}
/* Our variable names are ASCII by construction, but EFI names
@ -1088,9 +1092,9 @@ static int gmin_get_config_var(struct device *maindev,
*out_len = ev->var.DataSize;
dev_info(maindev, "found EFI entry for '%s'\n", var8);
} else if (is_gmin) {
dev_warn(maindev, "Failed to find gmin variable %s\n", var8);
dev_info(maindev, "Failed to find EFI gmin variable %s\n", var8);
} else {
dev_warn(maindev, "Failed to find variable %s\n", var8);
dev_info(maindev, "Failed to find EFI variable %s\n", var8);
}
kfree(ev);
@ -1109,6 +1113,8 @@ int gmin_get_var_int(struct device *dev, bool is_gmin, const char *var, int def)
if (!ret) {
val[len] = 0;
ret = kstrtol(val, 0, &result);
} else {
dev_info(dev, "%s: using default (%d)\n", var, def);
}
return ret ? def : result;