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(Linux) Add ACPI sys code

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This commit is contained in:
twinaphex 2015-09-14 06:35:11 +02:00
parent c6806c2ac0
commit 87ece39443
1 changed files with 107 additions and 0 deletions
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107
frontend/drivers/platform_linux.c
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@ -33,6 +33,8 @@
static const char *proc_apm_path = "/proc/apm";
static const char *proc_acpi_battery_path = "/proc/acpi/battery";
static const char *proc_acpi_sys_ac_adapter_path= "/sys/class/power_supply/ACAD";
static const char *proc_acpi_sys_battery_path= "/sys/class/power_supply";
static const char *proc_acpi_ac_adapter_path = "/proc/acpi/ac_adapter";
static int open_acpi_file(const char *base, const char *node, const char *key)
@ -220,6 +222,43 @@ check_proc_acpi_battery(const char * node, bool * have_battery,
}
}
static void
check_proc_acpi_sys_battery(const char * node, bool * have_battery,
bool * charging, int *seconds, int *percent)
{
unsigned capacity;
const char *base = proc_acpi_sys_battery_path;
char info[1024] = {0};
char state[1024] = {0};
char *ptr = NULL;
char *key = NULL;
char *val = NULL;
bool charge = false;
bool choose = false;
int maximum = -1;
int remaining = -1;
int secs = -1;
int pct = -1;
if (!strstr(node, "BAT"))
return;
if (!load_acpi_file(base, node, "status", state, sizeof (state)))
return;
if (strstr(state, "Discharging"))
*have_battery = true;
else if (strstr(state, "Full"))
*have_battery = true;
if (!load_acpi_file(base, node, "capacity", state, sizeof (state)))
return;
capacity = atoi(state);
*percent = capacity;
}
static void
check_proc_acpi_ac_adapter(const char * node, bool *have_ac)
@ -245,6 +284,19 @@ check_proc_acpi_ac_adapter(const char * node, bool *have_ac)
}
}
static void
check_proc_acpi_sys_ac_adapter(const char * node, bool *have_ac)
{
char state[256];
const char *base = proc_acpi_sys_ac_adapter_path;
if (!load_acpi_file(base, node, "online", state, sizeof (state)))
return;
if (strstr(state, "1"))
*have_ac = true;
}
static bool next_string(char **_ptr, char **_str)
{
char *ptr = *_ptr;
@ -407,6 +459,58 @@ end:
return ret;
}
static bool frontend_linux_powerstate_check_acpi_sys(
enum frontend_powerstate *state,
int *seconds, int *percent)
{
bool ret = false;
struct RDIR *entry = NULL;
bool have_battery = false;
bool have_ac = false;
bool charging = false;
*state = FRONTEND_POWERSTATE_NONE;
entry = retro_opendir(proc_acpi_sys_battery_path);
if (!entry)
goto error;
if (retro_dirent_error(entry))
goto error;
while (retro_readdir(entry))
check_proc_acpi_sys_battery(retro_dirent_get_name(entry),
&have_battery, &charging, seconds, percent);
retro_closedir(entry);
entry = retro_opendir(proc_acpi_sys_ac_adapter_path);
if (!entry)
goto error;
while (retro_readdir(entry))
check_proc_acpi_sys_ac_adapter(retro_dirent_get_name(entry), &have_ac);
if (!have_battery)
{
*state = FRONTEND_POWERSTATE_NO_SOURCE;
}
else if (charging)
*state = FRONTEND_POWERSTATE_CHARGING;
else if (have_ac)
*state = FRONTEND_POWERSTATE_CHARGED;
else
*state = FRONTEND_POWERSTATE_ON_POWER_SOURCE;
return true;
error:
if (entry)
retro_closedir(entry);
return false;
}
static enum frontend_powerstate
frontend_linux_get_powerstate(int *seconds, int *percent)
{
@ -418,6 +522,9 @@ frontend_linux_get_powerstate(int *seconds, int *percent)
if (frontend_linux_powerstate_check_acpi(&ret, seconds, percent))
return ret;
if (frontend_linux_powerstate_check_acpi_sys(&ret, seconds, percent))
return ret;
return FRONTEND_POWERSTATE_NONE;
}