OMAP: DSS2: Taal: Implement configurable ESD interval

ESD check in Taal driver is currently on/off feature with hardcoded
interval. This patch changes it to a configurable interval, which can be
set from the board file.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 10 insertions, 10 deletions

diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 44d73f779eb..788104c9998 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -63,8 +63,6 @@
 #define DCS_GET_ID2             0xdb
 #define DCS_GET_ID3             0xdc
 
-#define TAAL_ESD_CHECK_PERIOD   msecs_to_jiffies(5000)
-
 static irqreturn_t taal_te_isr(int irq, void *data);
 static void taal_te_timeout_work_callback(struct work_struct *work);
 static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable);
@@ -231,6 +229,7 @@ struct taal_data {
 
         struct workqueue_struct *esd_wq;
         struct delayed_work esd_work;
+        unsigned esd_interval;
 
         struct panel_config *panel_config;
 };
@@ -700,6 +699,7 @@ static int taal_probe(struct omap_dss_device *dssdev)
         }
         td->dssdev = dssdev;
         td->panel_config = panel_config;
+        td->esd_interval = panel_data->esd_interval;
 
         mutex_init(&td->lock);
 
@@ -963,7 +963,6 @@ static void taal_power_off(struct omap_dss_device *dssdev)
 static int taal_enable(struct omap_dss_device *dssdev)
 {
         struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-        struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
         int r;
 
         dev_dbg(&dssdev->dev, "enable\n");
@@ -984,9 +983,9 @@ static int taal_enable(struct omap_dss_device *dssdev)
         if (r)
                 goto err;
 
-        if (panel_data->use_esd_check)
+        if (td->esd_interval > 0)
                 queue_delayed_work(td->esd_wq, &td->esd_work,
-                                TAAL_ESD_CHECK_PERIOD);
+                                msecs_to_jiffies(td->esd_interval));
 
         dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
 
@@ -1056,7 +1055,6 @@ err:
 static int taal_resume(struct omap_dss_device *dssdev)
 {
         struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-        struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
         int r;
 
         dev_dbg(&dssdev->dev, "resume\n");
@@ -1078,9 +1076,9 @@ static int taal_resume(struct omap_dss_device *dssdev)
                 dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
         } else {
                 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-                if (panel_data->use_esd_check)
+                if (td->esd_interval > 0)
                         queue_delayed_work(td->esd_wq, &td->esd_work,
-                                        TAAL_ESD_CHECK_PERIOD);
+                                        msecs_to_jiffies(td->esd_interval));
         }
 
         mutex_unlock(&td->lock);
@@ -1523,7 +1521,8 @@ static void taal_esd_work(struct work_struct *work)
 
         dsi_bus_unlock();
 
-        queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
+        queue_delayed_work(td->esd_wq, &td->esd_work,
+                       msecs_to_jiffies(td->esd_interval));
 
         mutex_unlock(&td->lock);
         return;
@@ -1536,7 +1535,8 @@ err:
 
         dsi_bus_unlock();
 
-        queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
+        queue_delayed_work(td->esd_wq, &td->esd_work,
+                       msecs_to_jiffies(td->esd_interval));
 
         mutex_unlock(&td->lock);
 }