diff options
| author | Frank Li <Frank.Li@freescale.com> | 2010-04-16 15:00:25 +0800 |
|---|---|---|
| committer | Alejandro Gonzalez <alex.gonzalez@digi.com> | 2010-05-25 11:20:25 +0200 |
| commit | 3fff6407f72c5193b2026bdfbc0dc9c685129c15 (patch) | |
| tree | 15c49b04ce4a6c2cec348901b347fb4722b063e4 /drivers | |
| parent | a21521b7d66ba85a661f61b9c013cf538c462c9f (diff) | |
ENGR00122612-2 iMX23 Lower the suspend current to 9mA.
Fix LCDIF suspend issue and improve suspend flow,now
suspend current can low to 9mA with LCD panel.
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/mxs/lcd_lms430.c | 6 | ||||
| -rw-r--r-- | drivers/video/mxs/lcdif.c | 3 |
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/video/mxs/lcd_lms430.c b/drivers/video/mxs/lcd_lms430.c index 00273b731588..c167774d5785 100644 --- a/drivers/video/mxs/lcd_lms430.c +++ b/drivers/video/mxs/lcd_lms430.c @@ -113,11 +113,17 @@ out: static void release_panel(struct device *dev, struct mxs_platform_fb_entry *pentry) { + /* Reset LCD panel signel. */ + __raw_writel(BM_LCDIF_CTRL1_RESET, + REGS_LCDIF_BASE + HW_LCDIF_CTRL1_CLR); + mdelay(100); mxs_lcdif_notify_clients(MXS_LCDIF_PANEL_RELEASE, pentry); release_dotclk_panel(); mxs_lcdif_dma_release(); clk_disable(lcd_clk); clk_put(lcd_clk); + __raw_writel(BM_LCDIF_CTRL_CLKGATE, + REGS_LCDIF_BASE + HW_LCDIF_CTRL_SET); } static int blank_panel(int blank) diff --git a/drivers/video/mxs/lcdif.c b/drivers/video/mxs/lcdif.c index 03d4abd8b85d..f7d48a6fb3e9 100644 --- a/drivers/video/mxs/lcdif.c +++ b/drivers/video/mxs/lcdif.c @@ -101,9 +101,6 @@ void mxs_lcdif_stop(void) __raw_writel(BM_LCDIF_CTRL_LCDIF_MASTER, REGS_LCDIF_BASE + HW_LCDIF_CTRL_CLR); udelay(100); - - __raw_writel(BM_LCDIF_CTRL_CLKGATE, - REGS_LCDIF_BASE + HW_LCDIF_CTRL_SET); } EXPORT_SYMBOL(mxs_lcdif_stop); |