The patch titled
fbdev: bfin-t350mcqb-fb: handle all resources in suspend/resume
has been added to the -mm tree. Its filename is
fbdev-bfin-t350mcqb-fb-handle-all-resources-in-suspend-resume.patch
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------------------------------------------------------
Subject: fbdev: bfin-t350mcqb-fb: handle all resources in suspend/resume
From: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
The LCD commands DMA/timers as well as PPI which we need to save/restore.
Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/bfin-t350mcqb-fb.c | 28 +++++++++++++++++++++++-----
1 file changed, 23 insertions(+), 5 deletions(-)
diff -puN drivers/video/bfin-t350mcqb-fb.c~fbdev-bfin-t350mcqb-fb-handle-all-resources-in-suspend-resume drivers/video/bfin-t350mcqb-fb.c
--- a/drivers/video/bfin-t350mcqb-fb.c~fbdev-bfin-t350mcqb-fb-handle-all-resources-in-suspend-resume
+++ a/drivers/video/bfin-t350mcqb-fb.c
@@ -634,17 +634,35 @@ static int __devexit bfin_t350mcqb_remov
#ifdef CONFIG_PM
static int bfin_t350mcqb_suspend(struct platform_device *pdev, pm_message_t state)
{
- bfin_t350mcqb_disable_ppi();
- disable_dma(CH_PPI);
- bfin_write_PPI_STATUS(0xFFFF);
+ struct fb_info *fbinfo = platform_get_drvdata(pdev);
+ struct bfin_t350mcqbfb_info *fbi = fbinfo->par;
+
+ if (fbi->lq043_open_cnt) {
+ bfin_t350mcqb_disable_ppi();
+ disable_dma(CH_PPI);
+ bfin_t350mcqb_stop_timers();
+ bfin_write_PPI_STATUS(-1);
+ }
+
return 0;
}
static int bfin_t350mcqb_resume(struct platform_device *pdev)
{
- enable_dma(CH_PPI);
- bfin_t350mcqb_enable_ppi();
+ struct fb_info *fbinfo = platform_get_drvdata(pdev);
+ struct bfin_t350mcqbfb_info *fbi = fbinfo->par;
+
+ if (fbi->lq043_open_cnt) {
+ bfin_t350mcqb_config_dma(fbi);
+ bfin_t350mcqb_config_ppi(fbi);
+ bfin_t350mcqb_init_timers();
+
+ /* start dma */
+ enable_dma(CH_PPI);
+ bfin_t350mcqb_enable_ppi();
+ bfin_t350mcqb_start_timers();
+ }
return 0;
}
_
Patches currently in -mm which might be from michael.hennerich@xxxxxxxxxx are
origin.patch
linux-next.patch
fbdev-bfin-lq035q1-fb-new-blackfin-landscape-lcd-ez-extender-driver.patch
fbdev-bfin-t350mcqb-fb-handle-all-resources-in-suspend-resume.patch
fbdev-bfin-t350mcqb-fb-fix-lcd-dimensions.patch
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