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lenovo-dytc: Use new udev "find" helper

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This commit is contained in:
Bastien Nocera 2020-10-27 16:51:04 +01:00
parent 456e7dac04
commit 2e9f89c462
1 changed files with 34 additions and 43 deletions
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77
src/ppd-driver-lenovo-dytc.c
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@ -20,7 +20,6 @@ struct _PpdDriverLenovoDytc
{
PpdDriver parent_instance;
GUdevClient *client;
GUdevDevice *device;
gboolean lapmode;
PpdProfile perfmode;
@ -155,7 +154,7 @@ ppd_driver_lenovo_dytc_activate_profile (PpdDriver *driver,
{
PpdDriverLenovoDytc *dytc = PPD_DRIVER_LENOVO_DYTC (driver);
g_return_val_if_fail (dytc->client, FALSE);
g_return_val_if_fail (dytc->device, FALSE);
if (dytc->perfmode == profile) {
g_debug ("Can't switch to %s mode, already there",
@ -183,57 +182,50 @@ ppd_driver_lenovo_dytc_activate_profile (PpdDriver *driver,
return TRUE;
}
static int
find_dytc (GUdevDevice *dev,
gpointer user_data)
{
if (g_strcmp0 (g_udev_device_get_name (dev), "thinkpad_acpi") != 0)
return 1;
if (!g_udev_device_get_sysfs_attr (dev, LAPMODE_SYSFS_NAME) ||
!g_udev_device_get_sysfs_attr (dev, PERFMODE_SYSFS_NAME))
return 1;
return 0;
}
static gboolean
ppd_driver_lenovo_dytc_probe (PpdDriver *driver)
{
const gchar * const subsystem[] = { "platform", NULL };
GList *devices, *l;
gboolean ret = FALSE;
PpdDriverLenovoDytc *dytc = PPD_DRIVER_LENOVO_DYTC (driver);
g_return_val_if_fail (!dytc->client, FALSE);
g_return_val_if_fail (!dytc->device, FALSE);
dytc->client = g_udev_client_new (subsystem);
devices = g_udev_client_query_by_subsystem (dytc->client, "platform");
if (devices == NULL)
dytc->device = ppd_utils_find_device ("platform",
(GCompareFunc) find_dytc,
NULL);
if (!dytc->device)
goto out;
for (l = devices; l != NULL; l = l->next) {
GUdevDevice *dev = l->data;
if (g_strcmp0 (g_udev_device_get_name (dev), "thinkpad_acpi") != 0)
continue;
if (!g_udev_device_get_sysfs_attr (dev, LAPMODE_SYSFS_NAME) ||
!g_udev_device_get_sysfs_attr (dev, PERFMODE_SYSFS_NAME))
break;
dytc->device = g_object_ref (dev);
ret = TRUE;
break;
}
if (ret) {
dytc->lapmode_mon = ppd_utils_monitor_sysfs_attr (dytc->device,
LAPMODE_SYSFS_NAME,
NULL);
g_signal_connect (G_OBJECT (dytc->lapmode_mon), "changed",
G_CALLBACK (lapmode_changed), dytc);
dytc->perfmode_mon = ppd_utils_monitor_sysfs_attr (dytc->device,
PERFMODE_SYSFS_NAME,
NULL);
dytc->perfmode_changed_id = g_signal_connect (G_OBJECT (dytc->perfmode_mon), "changed",
G_CALLBACK (perfmode_changed), dytc);
update_dytc_lapmode_state (dytc);
update_dytc_perfmode_state (dytc);
}
dytc->lapmode_mon = ppd_utils_monitor_sysfs_attr (dytc->device,
LAPMODE_SYSFS_NAME,
NULL);
g_signal_connect (G_OBJECT (dytc->lapmode_mon), "changed",
G_CALLBACK (lapmode_changed), dytc);
dytc->perfmode_mon = ppd_utils_monitor_sysfs_attr (dytc->device,
PERFMODE_SYSFS_NAME,
NULL);
dytc->perfmode_changed_id = g_signal_connect (G_OBJECT (dytc->perfmode_mon), "changed",
G_CALLBACK (perfmode_changed), dytc);
update_dytc_lapmode_state (dytc);
update_dytc_perfmode_state (dytc);
out:
g_list_free_full (devices, g_object_unref);
g_debug ("%s a dytc_lapmode sysfs attribute to thinkpad_acpi",
ret ? "Found" : "Didn't find");
return ret;
dytc->device ? "Found" : "Didn't find");
return (dytc->device != NULL);
}
static void
@ -243,7 +235,6 @@ ppd_driver_lenovo_dytc_finalize (GObject *object)
driver = PPD_DRIVER_LENOVO_DYTC (object);
g_clear_object (&driver->device);
g_clear_object (&driver->client);
g_clear_object (&driver->lapmode_mon);
g_clear_object (&driver->perfmode_mon);
G_OBJECT_CLASS (ppd_driver_lenovo_dytc_parent_class)->finalize (object);