diff options
Diffstat (limited to 'drivers/video/omap2/displays/panel-generic-dpi.c')
-rw-r--r-- | drivers/video/omap2/displays/panel-generic-dpi.c | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/drivers/video/omap2/displays/panel-generic-dpi.c b/drivers/video/omap2/displays/panel-generic-dpi.c index c904f42d81c1..97363f733683 100644 --- a/drivers/video/omap2/displays/panel-generic-dpi.c +++ b/drivers/video/omap2/displays/panel-generic-dpi.c @@ -33,9 +33,10 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/slab.h> +#include <linux/gpio.h> #include <video/omapdss.h> -#include <video/omap-panel-generic-dpi.h> +#include <video/omap-panel-data.h> struct panel_config { struct omap_video_timings timings; @@ -533,7 +534,7 @@ static inline struct panel_generic_dpi_data static int generic_dpi_panel_power_on(struct omap_dss_device *dssdev) { - int r; + int r, i; struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev); struct panel_config *panel_config = drv_data->panel_config; @@ -552,15 +553,13 @@ static int generic_dpi_panel_power_on(struct omap_dss_device *dssdev) if (panel_config->power_on_delay) msleep(panel_config->power_on_delay); - if (panel_data->platform_enable) { - r = panel_data->platform_enable(dssdev); - if (r) - goto err1; + for (i = 0; i < panel_data->num_gpios; ++i) { + gpio_set_value_cansleep(panel_data->gpios[i], + panel_data->gpio_invert[i] ? 0 : 1); } return 0; -err1: - omapdss_dpi_display_disable(dssdev); + err0: return r; } @@ -570,12 +569,15 @@ static void generic_dpi_panel_power_off(struct omap_dss_device *dssdev) struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev); struct panel_config *panel_config = drv_data->panel_config; + int i; if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) return; - if (panel_data->platform_disable) - panel_data->platform_disable(dssdev); + for (i = panel_data->num_gpios - 1; i >= 0; --i) { + gpio_set_value_cansleep(panel_data->gpios[i], + panel_data->gpio_invert[i] ? 1 : 0); + } /* wait couple of vsyncs after disabling the LCD */ if (panel_config->power_off_delay) @@ -589,7 +591,7 @@ static int generic_dpi_panel_probe(struct omap_dss_device *dssdev) struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); struct panel_config *panel_config = NULL; struct panel_drv_data *drv_data = NULL; - int i; + int i, r; dev_dbg(&dssdev->dev, "probe\n"); @@ -606,9 +608,18 @@ static int generic_dpi_panel_probe(struct omap_dss_device *dssdev) if (!panel_config) return -EINVAL; + for (i = 0; i < panel_data->num_gpios; ++i) { + r = devm_gpio_request_one(&dssdev->dev, panel_data->gpios[i], + panel_data->gpio_invert[i] ? + GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW, + "panel gpio"); + if (r) + return r; + } + dssdev->panel.timings = panel_config->timings; - drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL); + drv_data = devm_kzalloc(&dssdev->dev, sizeof(*drv_data), GFP_KERNEL); if (!drv_data) return -ENOMEM; @@ -624,12 +635,8 @@ static int generic_dpi_panel_probe(struct omap_dss_device *dssdev) static void __exit generic_dpi_panel_remove(struct omap_dss_device *dssdev) { - struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev); - dev_dbg(&dssdev->dev, "remove\n"); - kfree(drv_data); - dev_set_drvdata(&dssdev->dev, NULL); } |