[bug#69808] [PATCH] services: tlp: Add config for CPU energy performance policy.

[Ryan Barber]

* gnu/services/pm.scm (tlp-configuration): Add cpu-energy-perf-policy-on-ac
and cpu-energy-perf-policy-on-bat.
* doc/guix.texi (Power Management Services): Document
cpu-energy-perf-policy-on-bat and cpu-energy-perf-policy-on-ac.

Change-Id: Ieddf949a325c317abffce00a4f1d047175342d78
---
 doc/guix.texi       | 12 ++++++++++++
 gnu/services/pm.scm | 12 +++++++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 796ac0028f..7c1949f267 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -35332,6 +35332,18 @@ Defaults to @samp{#f}.
 
 @end deftypevr
 
+@deftypevr {@code{tlp-configuration} parameter} string 
cpu-energy-perf-policy-on-ac
+Set CPU energy/performance policy when on AC mode. Possible values are
+performance, balance_performance, default, balance_power and power.
+
+@end deftypevr
+
+@deftypevr {@code{tlp-configuration} parameter} string 
cpu-energy-perf-policy-on-bat
+Set CPU energy/performance policy when on BAT mode. Possible values are
+performance, balance_performance, default, balance_power and power.
+
+@end deftypevr
+
 @cindex thermald
 @cindex CPU frequency scaling with thermald
 @subsubheading Thermald daemon
diff --git a/gnu/services/pm.scm b/gnu/services/pm.scm
index 3daf484cc1..62aee055e3 100644
--- a/gnu/services/pm.scm
+++ b/gnu/services/pm.scm
@@ -378,7 +378,17 @@ (define-configuration tlp-configuration
   (restore-device-state-on-startup?
    (boolean #f)
    "Restore radio device state (bluetooth, wifi, wwan) from previous
-shutdown on system startup."))
+shutdown on system startup.")
+
+  (cpu-energy-perf-policy-on-ac
+   maybe-string
+   "Set CPU energy/performance policy when on AC mode. Possible values are
+performance, balance_performance, default, balance_power and power.")
+
+  (cpu-energy-perf-policy-on-bat
+   maybe-string
+   "Set CPU energy/performance policy when on BAT mode. Possible values are
+performance, balance_performance, default, balance_power and power."))
 
 
 (define (tlp-shepherd-service config)

base-commit: efe62c5ed38a09d7467a6c1c3d5f509d284ad290
-- 
2.41.0