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authorMarcin Bukat <marcin.bukat@gmail.com>2018-06-14 10:03:07 +0200
committerMarcin Bukat <marcin.bukat@gmail.com>2018-06-14 10:03:07 +0200
commit5c015ada908d491fa2f9fa37b83e3fc9c56b4d86 (patch)
tree19ddc935411ec7a2e98827f96b314d9db4860898 /firmware/target/hosted
parent755b824596b68b712f94858a875da62f0d5fc50a (diff)
downloadrockbox-5c015ada908d491fa2f9fa37b83e3fc9c56b4d86.tar.gz
rockbox-5c015ada908d491fa2f9fa37b83e3fc9c56b4d86.zip
Agptek Rocker: Implement lcd_enable()
In theory this should slightly improve battery life. Change-Id: Iaf55beb7dbc20e7562017958aeb0386459d49a31
Diffstat (limited to 'firmware/target/hosted')
-rw-r--r--firmware/target/hosted/agptek/lcd-agptek.c25
-rw-r--r--firmware/target/hosted/agptek/lcd-target.h6
2 files changed, 30 insertions, 1 deletions
diff --git a/firmware/target/hosted/agptek/lcd-agptek.c b/firmware/target/hosted/agptek/lcd-agptek.c
index abf89ea9e3..ff5a8146a2 100644
--- a/firmware/target/hosted/agptek/lcd-agptek.c
+++ b/firmware/target/hosted/agptek/lcd-agptek.c
@@ -29,6 +29,7 @@
#include "lcd.h"
#include "lcd-target.h"
#include "backlight-target.h"
+#include "sysfs.h"
#include "panic.h"
static int fd = -1;
@@ -75,6 +76,30 @@ void lcd_init_device(void)
}
}
+#ifdef HAVE_LCD_SHUTDOWN
+void lcd_shutdown(void)
+{
+ munmap(framebuffer, FRAMEBUFFER_SIZE);
+ close(fd);
+}
+#endif
+
+void lcd_enable(bool on)
+{
+ const char * const sysfs_fb_blank = "/sys/class/graphics/fb0/blank";
+
+ if (lcd_active() != on)
+ {
+ sysfs_set_int(sysfs_fb_blank, on ? 0 : 1);
+ lcd_set_active(on);
+
+ if (on)
+ {
+ send_event(LCD_EVENT_ACTIVATION, NULL);
+ }
+ }
+}
+
static void redraw(void)
{
ioctl(fd, FBIOPAN_DISPLAY, &vinfo);
diff --git a/firmware/target/hosted/agptek/lcd-target.h b/firmware/target/hosted/agptek/lcd-target.h
index 346644bdfc..b6fcfdb98f 100644
--- a/firmware/target/hosted/agptek/lcd-target.h
+++ b/firmware/target/hosted/agptek/lcd-target.h
@@ -21,6 +21,10 @@
#ifndef __LCD_TARGET_H__
#define __LCD_TARGET_H__
-extern fb_data *framebuffer; /* see lcd-nwz.c */
+/* Agptek needs special ioctl() to redraw updated framebuffer content */
+#define LCD_OPTIMIZED_UPDATE
+#define LCD_OPTIMIZED_UPDATE_RECT
+
+extern fb_data *framebuffer; /* see lcd-agptek.c */
#define LCD_FRAMEBUF_ADDR(col, row) (framebuffer + (row)*LCD_WIDTH + (col))
#endif /* __LCD_TARGET_H__ */