summary | shortlog | log | commit | commitdiff | tree
raw | patch | inline | side by side (parent: 751305d)
raw | patch | inline | side by side (parent: 751305d)
author | Jonathan Corbet <corbet@lwn.net> | |
Thu, 28 Oct 2010 17:23:21 +0000 (18:23 +0100) | ||
committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | |
Tue, 9 Nov 2010 16:18:29 +0000 (16:18 +0000) |
Be sure to re-enable GPIO lines on resume. Users still have to
be sure to set them properly.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
be sure to set them properly.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
drivers/video/via/via-gpio.c | patch | blob | history |
index 39acb37e7a1d2bd333003679b9b322e4a6feb291..c2a0a1cfd3b3fe6c9f2da44e8574fe9a20591be5 100644 (file)
via_write_reg_mask(VIASR, gpio->vg_port_index, 0, 0x02);
}
+#ifdef CONFIG_PM
+
+static int viafb_gpio_suspend(void *private)
+{
+ return 0;
+}
+
+static int viafb_gpio_resume(void *private)
+{
+ int i;
+
+ for (i = 0; i < gpio_config.gpio_chip.ngpio; i += 2)
+ viafb_gpio_enable(gpio_config.active_gpios[i]);
+ return 0;
+}
+
+static struct viafb_pm_hooks viafb_gpio_pm_hooks = {
+ .suspend = viafb_gpio_suspend,
+ .resume = viafb_gpio_resume
+};
+#endif /* CONFIG_PM */
+
/*
* Look up a specific gpio and return the number it was assigned.
*/
printk(KERN_ERR "viafb: failed to add gpios (%d)\n", ret);
gpio_config.gpio_chip.ngpio = 0;
}
+#ifdef CONFIG_PM
+ viafb_pm_register(&viafb_gpio_pm_hooks);
+#endif
return ret;
}
unsigned long flags;
int ret = 0, i;
+#ifdef CONFIG_PM
+ viafb_pm_unregister(&viafb_gpio_pm_hooks);
+#endif
+
/*
* Get unregistered.
*/