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arm: omap2plus: GPIO cleanup

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use gpio_request_<one|array>() instead of multiple gpiolib calls,
remove unneeded variables, etc.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Igor Grinberg
2011-05-03 18:22:09 +03:00
committed by Tony Lindgren
parent 9e18630b68
commit bc593f5d78
27 changed files with 395 additions and 698 deletions
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31
arch/arm/mach-omap2/board-zoom-display.c
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@@ -21,34 +21,19 @@
#define LCD_PANEL_RESET_GPIO_PILOT 55
#define LCD_PANEL_QVGA_GPIO 56
static struct gpio zoom_lcd_gpios[] __initdata = {
{ -EINVAL, GPIOF_OUT_INIT_HIGH, "lcd reset" },
{ LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "lcd qvga" },
};
static void zoom_lcd_panel_init(void)
{
int ret;
unsigned char lcd_panel_reset_gpio;
lcd_panel_reset_gpio = (omap_rev() > OMAP3430_REV_ES3_0) ?
zoom_lcd_gpios[0].gpio = (omap_rev() > OMAP3430_REV_ES3_0) ?
LCD_PANEL_RESET_GPIO_PROD :
LCD_PANEL_RESET_GPIO_PILOT;
ret = gpio_request(lcd_panel_reset_gpio, "lcd reset");
if (ret) {
pr_err("Failed to get LCD reset GPIO (gpio%d).\n",
lcd_panel_reset_gpio);
return;
}
gpio_direction_output(lcd_panel_reset_gpio, 1);
ret = gpio_request(LCD_PANEL_QVGA_GPIO, "lcd qvga");
if (ret) {
pr_err("Failed to get LCD_PANEL_QVGA_GPIO (gpio%d).\n",
LCD_PANEL_QVGA_GPIO);
goto err0;
}
gpio_direction_output(LCD_PANEL_QVGA_GPIO, 1);
return;
err0:
gpio_free(lcd_panel_reset_gpio);
if (gpio_request_array(zoom_lcd_gpios, ARRAY_SIZE(zoom_lcd_gpios)))
pr_err("%s: Failed to get LCD GPIOs.\n", __func__);
}
static int zoom_panel_enable_lcd(struct omap_dss_device *dssdev)