diff options
Diffstat (limited to 'drivers/video/da8xx-fb.c')
| -rw-r--r-- | drivers/video/da8xx-fb.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index eb95b893e8b..36574bf61d0 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -29,6 +29,7 @@ #include <linux/interrupt.h> #include <linux/clk.h> #include <linux/cpufreq.h> +#include <linux/console.h> #include <video/da8xx-fb.h> #define DRIVER_NAME "da8xx_lcdc" @@ -930,11 +931,35 @@ err_request_mem: #ifdef CONFIG_PM static int fb_suspend(struct platform_device *dev, pm_message_t state) { - return -EBUSY; + struct fb_info *info = platform_get_drvdata(dev); + struct da8xx_fb_par *par = info->par; + + acquire_console_sem(); + if (par->panel_power_ctrl) + par->panel_power_ctrl(0); + + fb_set_suspend(info, 1); + lcd_disable_raster(); + clk_disable(par->lcdc_clk); + release_console_sem(); + + return 0; } static int fb_resume(struct platform_device *dev) { - return -EBUSY; + struct fb_info *info = platform_get_drvdata(dev); + struct da8xx_fb_par *par = info->par; + + acquire_console_sem(); + if (par->panel_power_ctrl) + par->panel_power_ctrl(1); + + clk_enable(par->lcdc_clk); + lcd_enable_raster(); + fb_set_suspend(info, 0); + release_console_sem(); + + return 0; } #else #define fb_suspend NULL |