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path: root/drivers/video/omap2/displays/panel-acx565akm.c
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Diffstat (limited to 'drivers/video/omap2/displays/panel-acx565akm.c')
-rw-r--r--drivers/video/omap2/displays/panel-acx565akm.c59
1 files changed, 35 insertions, 24 deletions
diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c
index 72699f88c002..d7f69c09ecf1 100644
--- a/drivers/video/omap2/displays/panel-acx565akm.c
+++ b/drivers/video/omap2/displays/panel-acx565akm.c
@@ -29,8 +29,10 @@
#include <linux/sched.h>
#include <linux/backlight.h>
#include <linux/fb.h>
+#include <linux/gpio.h>
#include <video/omapdss.h>
+#include <video/omap-panel-data.h>
#define MIPID_CMD_READ_DISP_ID 0x04
#define MIPID_CMD_READ_RED 0x06
@@ -336,8 +338,6 @@ static int acx565akm_bl_update_status(struct backlight_device *dev)
r = 0;
if (md->has_bc)
acx565akm_set_brightness(md, level);
- else if (md->dssdev->set_backlight)
- r = md->dssdev->set_backlight(md->dssdev, level);
else
r = -ENODEV;
@@ -352,7 +352,7 @@ static int acx565akm_bl_get_intensity(struct backlight_device *dev)
dev_dbg(&dev->dev, "%s\n", __func__);
- if (!md->has_bc && md->dssdev->set_backlight == NULL)
+ if (!md->has_bc)
return -ENODEV;
if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
@@ -496,21 +496,38 @@ static struct omap_video_timings acx_panel_timings = {
.sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
};
+static struct panel_acx565akm_data *get_panel_data(struct omap_dss_device *dssdev)
+{
+ return (struct panel_acx565akm_data *) dssdev->data;
+}
+
static int acx_panel_probe(struct omap_dss_device *dssdev)
{
int r;
struct acx565akm_device *md = &acx_dev;
+ struct panel_acx565akm_data *panel_data = get_panel_data(dssdev);
struct backlight_device *bldev;
int max_brightness, brightness;
struct backlight_properties props;
dev_dbg(&dssdev->dev, "%s\n", __func__);
+ if (!panel_data)
+ return -EINVAL;
+
/* FIXME AC bias ? */
dssdev->panel.timings = acx_panel_timings;
- if (dssdev->platform_enable)
- dssdev->platform_enable(dssdev);
+ if (gpio_is_valid(panel_data->reset_gpio)) {
+ r = devm_gpio_request_one(&dssdev->dev, panel_data->reset_gpio,
+ GPIOF_OUT_INIT_LOW, "lcd reset");
+ if (r)
+ return r;
+ }
+
+ if (gpio_is_valid(panel_data->reset_gpio))
+ gpio_set_value(panel_data->reset_gpio, 1);
+
/*
* After reset we have to wait 5 msec before the first
* command can be sent.
@@ -522,8 +539,9 @@ static int acx_panel_probe(struct omap_dss_device *dssdev)
r = panel_detect(md);
if (r) {
dev_err(&dssdev->dev, "%s panel detect error\n", __func__);
- if (!md->enabled && dssdev->platform_disable)
- dssdev->platform_disable(dssdev);
+ if (!md->enabled && gpio_is_valid(panel_data->reset_gpio))
+ gpio_set_value(panel_data->reset_gpio, 0);
+
return r;
}
@@ -532,8 +550,8 @@ static int acx_panel_probe(struct omap_dss_device *dssdev)
mutex_unlock(&acx_dev.mutex);
if (!md->enabled) {
- if (dssdev->platform_disable)
- dssdev->platform_disable(dssdev);
+ if (gpio_is_valid(panel_data->reset_gpio))
+ gpio_set_value(panel_data->reset_gpio, 0);
}
/*------- Backlight control --------*/
@@ -557,15 +575,10 @@ static int acx_panel_probe(struct omap_dss_device *dssdev)
md->cabc_mode = get_hw_cabc_mode(md);
}
- if (md->has_bc)
- max_brightness = 255;
- else
- max_brightness = dssdev->max_backlight_level;
+ max_brightness = 255;
if (md->has_bc)
brightness = acx565akm_get_actual_brightness(md);
- else if (dssdev->get_backlight)
- brightness = dssdev->get_backlight(dssdev);
else
brightness = 0;
@@ -591,6 +604,7 @@ static void acx_panel_remove(struct omap_dss_device *dssdev)
static int acx_panel_power_on(struct omap_dss_device *dssdev)
{
struct acx565akm_device *md = &acx_dev;
+ struct panel_acx565akm_data *panel_data = get_panel_data(dssdev);
int r;
dev_dbg(&dssdev->dev, "%s\n", __func__);
@@ -612,11 +626,8 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev)
/*FIXME tweak me */
msleep(50);
- if (dssdev->platform_enable) {
- r = dssdev->platform_enable(dssdev);
- if (r)
- goto fail;
- }
+ if (gpio_is_valid(panel_data->reset_gpio))
+ gpio_set_value(panel_data->reset_gpio, 1);
if (md->enabled) {
dev_dbg(&md->spi->dev, "panel already enabled\n");
@@ -645,8 +656,7 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev)
mutex_unlock(&md->mutex);
return acx565akm_bl_update_status(md->bl_dev);
-fail:
- omapdss_sdi_display_disable(dssdev);
+
fail_unlock:
mutex_unlock(&md->mutex);
return r;
@@ -655,6 +665,7 @@ fail_unlock:
static void acx_panel_power_off(struct omap_dss_device *dssdev)
{
struct acx565akm_device *md = &acx_dev;
+ struct panel_acx565akm_data *panel_data = get_panel_data(dssdev);
dev_dbg(&dssdev->dev, "%s\n", __func__);
@@ -678,8 +689,8 @@ static void acx_panel_power_off(struct omap_dss_device *dssdev)
*/
msleep(50);
- if (dssdev->platform_disable)
- dssdev->platform_disable(dssdev);
+ if (gpio_is_valid(panel_data->reset_gpio))
+ gpio_set_value(panel_data->reset_gpio, 0);
/* FIXME need to tweak this delay */
msleep(100);