Hi, This value is set from bootloader, and kernel side only change the mode. Right it runs by luck.
Thank you, Kyungmin Park > -----Original Message----- > From: Tomi Valkeinen [mailto:tomi.valkei...@nokia.com] > Sent: Thursday, July 01, 2010 4:06 PM > To: ext Tony Lindgren > Cc: linux-arm-ker...@lists.infradead.org; Kyungmin Park; linux- > o...@vger.kernel.org > Subject: Re: [PATCH 13/16] omap: mux: Mux Apollon LCD power in board- > apollon.c > > On Wed, 2010-06-30 at 14:07 +0200, ext Tony Lindgren wrote: > > Use the new mux function for that. > > > > Cc: Kyungmin Park <kyungmin.p...@samsung.com> > > Cc: Tomi Valkeinen <tomi.valkei...@nokia.com> > > Signed-off-by: Tony Lindgren <t...@atomide.com> > > --- > > arch/arm/mach-omap2/board-apollon.c | 3 +++ > > drivers/video/omap/lcd_apollon.c | 3 --- > > 2 files changed, 3 insertions(+), 3 deletions(-) > > > > diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach- > omap2/board-apollon.c > > index b86a879..bc67026 100644 > > --- a/arch/arm/mach-omap2/board-apollon.c > > +++ b/arch/arm/mach-omap2/board-apollon.c > > @@ -332,6 +332,9 @@ static void __init omap_apollon_init(void) > > /* REVISIT: where's the correct place */ > > omap_cfg_reg(W19_24XX_SYS_NIRQ); > > > > + /* LCD PWR_EN */ > > + omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | > OMAP_PULL_UP); > > LCD_PWR_EN sounds like output pin. However, I don't see lcd_apollon.c > nor board-apollon.c set the gpio. > > I don't know what omap_cfg_reg(M21_242X_GPIO11) does, but if it does the > same thing as the line above, then does the apollon LCD work by luck? > OMAP pulling the line up, and by chance the pull is stronger than the > LCDs (possible) pull down, and thus the LCD is powered up... > > Tomi -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
