From: Thomas Niederprüm Date: Tue, 31 Mar 2015 18:27:16 +0000 (+0200) Subject: fbdev: ssd1307fb: Add blank mode X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=550e768c2a9932e037f2148ecddecd8a5ee0f26e;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git fbdev: ssd1307fb: Add blank mode This patch adds ssd1307fb_blank() to make the framebuffer capable of blanking. Signed-off-by: Thomas Niederprüm Signed-off-by: Tomi Valkeinen --- diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index 77efed7a42a3..8fc224c99032 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -235,6 +235,16 @@ static ssize_t ssd1307fb_write(struct fb_info *info, const char __user *buf, return count; } +static int ssd1307fb_blank(int blank_mode, struct fb_info *info) +{ + struct ssd1307fb_par *par = info->par; + + if (blank_mode != FB_BLANK_UNBLANK) + return ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_OFF); + else + return ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON); +} + static void ssd1307fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { struct ssd1307fb_par *par = info->par; @@ -260,6 +270,7 @@ static struct fb_ops ssd1307fb_ops = { .owner = THIS_MODULE, .fb_read = fb_sys_read, .fb_write = ssd1307fb_write, + .fb_blank = ssd1307fb_blank, .fb_fillrect = ssd1307fb_fillrect, .fb_copyarea = ssd1307fb_copyarea, .fb_imageblit = ssd1307fb_imageblit,