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-rw-r--r--drivers/video/via/via-gpio.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/video/via/via-gpio.c b/drivers/video/via/via-gpio.c
index 39acb37e7a1d..c2a0a1cfd3b3 100644
--- a/drivers/video/via/via-gpio.c
+++ b/drivers/video/via/via-gpio.c
@@ -172,6 +172,28 @@ static void viafb_gpio_disable(struct viafb_gpio *gpio)
172 via_write_reg_mask(VIASR, gpio->vg_port_index, 0, 0x02); 172 via_write_reg_mask(VIASR, gpio->vg_port_index, 0, 0x02);
173} 173}
174 174
175#ifdef CONFIG_PM
176
177static int viafb_gpio_suspend(void *private)
178{
179 return 0;
180}
181
182static int viafb_gpio_resume(void *private)
183{
184 int i;
185
186 for (i = 0; i < gpio_config.gpio_chip.ngpio; i += 2)
187 viafb_gpio_enable(gpio_config.active_gpios[i]);
188 return 0;
189}
190
191static struct viafb_pm_hooks viafb_gpio_pm_hooks = {
192 .suspend = viafb_gpio_suspend,
193 .resume = viafb_gpio_resume
194};
195#endif /* CONFIG_PM */
196
175/* 197/*
176 * Look up a specific gpio and return the number it was assigned. 198 * Look up a specific gpio and return the number it was assigned.
177 */ 199 */
@@ -236,6 +258,9 @@ static __devinit int viafb_gpio_probe(struct platform_device *platdev)
236 printk(KERN_ERR "viafb: failed to add gpios (%d)\n", ret); 258 printk(KERN_ERR "viafb: failed to add gpios (%d)\n", ret);
237 gpio_config.gpio_chip.ngpio = 0; 259 gpio_config.gpio_chip.ngpio = 0;
238 } 260 }
261#ifdef CONFIG_PM
262 viafb_pm_register(&viafb_gpio_pm_hooks);
263#endif
239 return ret; 264 return ret;
240} 265}
241 266
@@ -245,6 +270,10 @@ static int viafb_gpio_remove(struct platform_device *platdev)
245 unsigned long flags; 270 unsigned long flags;
246 int ret = 0, i; 271 int ret = 0, i;
247 272
273#ifdef CONFIG_PM
274 viafb_pm_unregister(&viafb_gpio_pm_hooks);
275#endif
276
248 /* 277 /*
249 * Get unregistered. 278 * Get unregistered.
250 */ 279 */