diff options
| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2010-09-14 16:48:54 +0200 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-09-16 09:36:17 +0200 |
| commit | dd210503b77ae04adfdb25ca45536c4f7e33edb1 (patch) | |
| tree | 14f3e8775c17906f8216618d1f7a97ee6927a50e /drivers/video/sh_mobile_lcdcfb.h | |
| parent | ARM: mach-shmobile: ap4evb: modify touchpanel judgment condition (diff) | |
| download | linux-dd210503b77ae04adfdb25ca45536c4f7e33edb1.tar.xz linux-dd210503b77ae04adfdb25ca45536c4f7e33edb1.zip | |
fbdev: sh_mobile_lcdc: reconfigure the framebuffer, when free
Currently the sh_mobile_lcdc driver only reconfigures the hardware interface,
when a new monitor is plugged in. This patch adds support for dynamic
framebuffer reconfiguration, when no user is holding the framebuffer device
node open.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video/sh_mobile_lcdcfb.h')
| -rw-r--r-- | drivers/video/sh_mobile_lcdcfb.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/sh_mobile_lcdcfb.h b/drivers/video/sh_mobile_lcdcfb.h index dfd3d766a556..9ecee2fba1d7 100644 --- a/drivers/video/sh_mobile_lcdcfb.h +++ b/drivers/video/sh_mobile_lcdcfb.h @@ -3,6 +3,7 @@ #include <linux/completion.h> #include <linux/fb.h> +#include <linux/mutex.h> #include <linux/wait.h> /* per-channel registers */ @@ -33,6 +34,8 @@ struct sh_mobile_lcdc_chan { wait_queue_head_t frame_end_wait; struct completion vsync_completion; struct fb_var_screeninfo display_var; + int use_count; + struct mutex open_lock; /* protects the use counter */ }; #endif |