Implement sysfs support to configure the ESD interval.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/video/omap2/displays/panel-taal.c | 42 +++++++++++++++++++++++++++++
1 files changed, 42 insertions(+), 0 deletions(-)
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 2787a51..3192dd7 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -635,18 +635,60 @@ static ssize_t show_cabc_available_modes(struct device *dev,
return len < PAGE_SIZE ? len : PAGE_SIZE - 1;
}
+static ssize_t taal_store_esd_interval(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct omap_dss_device *dssdev = to_dss_device(dev);
+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+ unsigned long t;
+ int r;
+
+ r = strict_strtoul(buf, 10, &t);
+ if (r)
+ return r;
+
+ mutex_lock(&td->lock);
+ taal_cancel_esd_work(dssdev);
+ td->esd_interval = t;
+ if (td->enabled)
+ taal_queue_esd_work(dssdev);
+ mutex_unlock(&td->lock);
+
+ return count;
+}
+
+static ssize_t taal_show_esd_interval(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct omap_dss_device *dssdev = to_dss_device(dev);
+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+ unsigned t;
+
+ mutex_lock(&td->lock);
+ t = td->esd_interval;
+ mutex_unlock(&td->lock);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", t);
+}
+
static DEVICE_ATTR(num_dsi_errors, S_IRUGO, taal_num_errors_show, NULL);
static DEVICE_ATTR(hw_revision, S_IRUGO, taal_hw_revision_show, NULL);
static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR,
show_cabc_mode, store_cabc_mode);
static DEVICE_ATTR(cabc_available_modes, S_IRUGO,
show_cabc_available_modes, NULL);
+static DEVICE_ATTR(esd_interval, S_IRUGO | S_IWUSR,
+ taal_show_esd_interval, taal_store_esd_interval);
static struct attribute *taal_attrs[] = {
&dev_attr_num_dsi_errors.attr,
&dev_attr_hw_revision.attr,
&dev_attr_cabc_mode.attr,
&dev_attr_cabc_available_modes.attr,
+ &dev_attr_esd_interval.attr,
NULL,
};
--
1.7.1
--
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