Messages in this thread | | | Date | Fri, 29 Apr 2011 16:44:44 +0400 | From | Sergei Shtylyov <> | Subject | Re: [PATCH 2/2] AM35xx-Craneboard:Display: Add DVI and TV Support |
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Hello.
On 29-04-2011 15:41, srinath@mistralsolutions.com wrote:
> From: Srinath <srinath@mistralsolutions.com>
> Added Display (DVI and TV) support for CraneBoard.
> Signed-off-by: Srinath <srinath@mistralsolutions.com> [...]
> diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c > index 05867b5..83fe85b 100644 > --- a/arch/arm/mach-omap2/board-am3517crane.c > +++ b/arch/arm/mach-omap2/board-am3517crane.c [...] > @@ -66,11 +69,83 @@ static struct usbhs_omap_board_data usbhs_bdata __initdata = { > .reset_gpio_port[2] = -EINVAL > }; > > +static void __init am3517_crane_display_init(void) > +{ > + int ret; > + > + ret = omap_mux_init_gpio(GPIO_DVI_ENABLE, OMAP_PIN_OUTPUT); > + if (ret< 0) { > + pr_err("Can not configure mux for GPIO_DVI_ENABLE %d\n", > + GPIO_DVI_ENABLE); > + return; > + } > + > + ret = gpio_request(GPIO_DVI_ENABLE, "dvi_enable"); > + if (ret< 0) { > + pr_err("Can not request GPIO %d\n", GPIO_DVI_ENABLE); > + return; > + } > + > + ret = gpio_direction_output(GPIO_DVI_ENABLE, 1); > + if (ret< 0) { > + gpio_free(GPIO_DVI_ENABLE); > + pr_err("Unable to enable DVI\n"); > + return; > + }
You can use gpio_request_one() ISO gpio_request()/gpio_direction_output().
WBR, Sergei
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