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path: root/drivers/video/omap2/displays/panel-generic-dpi.c
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Diffstat (limited to 'drivers/video/omap2/displays/panel-generic-dpi.c')
-rw-r--r--drivers/video/omap2/displays/panel-generic-dpi.c39
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 c904f42d81c..97363f73368 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);
}