[PATCH] Add suspend method to cpufreq core

[pandora-kernel.git] / include / linux / cpufreq.h

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 910eca3..f21af06 100644 (file)
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -103,6 +103,7 @@ struct cpufreq_policy {
 #define CPUFREQ_PRECHANGE      (0)
 #define CPUFREQ_POSTCHANGE     (1)
 #define CPUFREQ_RESUMECHANGE   (8)
+#define CPUFREQ_SUSPENDCHANGE  (9)
 
 struct cpufreq_freqs {
        unsigned int cpu;       /* cpu nr */
@@ -200,6 +201,7 @@ struct cpufreq_driver {
 
        /* optional */
        int     (*exit)         (struct cpufreq_policy *policy);
+       int     (*suspend)      (struct cpufreq_policy *policy, u32 state);
        int     (*resume)       (struct cpufreq_policy *policy);
        struct freq_attr        **attr;
 };
@@ -211,7 +213,8 @@ struct cpufreq_driver {
 #define CPUFREQ_CONST_LOOPS    0x02    /* loops_per_jiffy or other kernel
                                         * "constants" aren't affected by
                                         * frequency transitions */
-
+#define CPUFREQ_PM_NO_WARN     0x04    /* don't warn on suspend/resume speed
+                                        * mismatches */
 
 int cpufreq_register_driver(struct cpufreq_driver *driver_data);
 int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);