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commit 730bed1f1b8acb1662a53f7092d9dccf89a4417c
Author: Alastair Poole <[email protected]>
AuthorDate: Sun Jan 25 16:08:41 2026 +0000
cpufreq: Add ACPI cpufreq governor support.
Add support for Lenovo LOQ, Lenovo Legion and Legion Go devices.
---
src/bin/system/e_system_cpufreq.c | 26 ++++++++++++++++++++++++--
1 file changed, 24 insertions(+), 2 deletions(-)
diff --git a/src/bin/system/e_system_cpufreq.c b/src/bin/system/e_system_cpufreq.c
index 431373989..4da12e096 100644
--- a/src/bin/system/e_system_cpufreq.c
+++ b/src/bin/system/e_system_cpufreq.c
@@ -36,6 +36,20 @@ sys_cpu_set_all_min_freq(void)
return 0;
}
+static int
+sys_cpu_acpi_setall(const char *control, const char *value)
+{
+ FILE *f;
+ char buf[4096];
+
+ snprintf(buf, sizeof(buf), "/sys/firmware/acpi/%s", control);
+ f = fopen(buf, "w");
+ if (!f) return 1;
+ fprintf(f, "%s", value);
+ fclose(f);
+ return 0;
+}
+
static int
sys_cpu_setall(const char *control, const char *value)
{
@@ -184,6 +198,14 @@ sys_cpu_pwr_energy_set(int v)
if (v == 3) sys_cpu_setall("boost", "1");
else sys_cpu_setall("boost", "0");
+ f = fopen("/sys/firmware/acpi/platform_profile_choices", "r");
+ if (f)
+ {
+ const char *profiles[]
+ = {"low-power", "balanced", "balanced-performance", "performance", NULL };
+ sys_cpu_acpi_setall("platform_profile", profiles[v]);
+ fclose(f);
+ }
free(strs[0]);
free(strs);
return 1;
@@ -353,8 +375,8 @@ _cb_cpufreq_pwr_get(void *data EINA_UNUSED, const char *params EINA_UNUSED)
lv1, lv1vals);
if (v < 0)
{
- e_system_inout_command_send("cpufreq-pwr-get", "err");
- return;
+ e_system_inout_command_send("cpufreq-pwr-get", "err");
+ return;
}
}
}
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