summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c')
-rw-r--r--drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c25
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
index 8551a1df3ad6..f1a5c14407a4 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
@@ -169,18 +169,12 @@ static void td028ttec1_panel_disconnect(struct omap_dss_device *src,
{
}
-static int td028ttec1_panel_enable(struct omap_dss_device *dssdev)
+static void td028ttec1_panel_enable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *src = dssdev->src;
- int r;
-
- r = src->ops->enable(src);
- if (r)
- return r;
+ int r = 0;
- dev_dbg(dssdev->dev, "td028ttec1_panel_enable() - state %d\n",
- dssdev->state);
+ dev_dbg(dssdev->dev, "%s: state %d\n", __func__, dssdev->state);
/* three times command zero */
r |= jbt_ret_write_0(ddata, 0x00);
@@ -191,8 +185,8 @@ static int td028ttec1_panel_enable(struct omap_dss_device *dssdev)
usleep_range(1000, 2000);
if (r) {
- dev_warn(dssdev->dev, "transfer error\n");
- return -EIO;
+ dev_warn(dssdev->dev, "%s: transfer error\n", __func__);
+ return;
}
/* deep standby out */
@@ -262,13 +256,13 @@ static int td028ttec1_panel_enable(struct omap_dss_device *dssdev)
r |= jbt_ret_write_0(ddata, JBT_REG_DISPLAY_ON);
- return r ? -EIO : 0;
+ if (r)
+ dev_err(dssdev->dev, "%s: write error\n", __func__);
}
static void td028ttec1_panel_disable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *src = dssdev->src;
dev_dbg(dssdev->dev, "td028ttec1_panel_disable()\n");
@@ -276,8 +270,6 @@ static void td028ttec1_panel_disable(struct omap_dss_device *dssdev)
jbt_reg_write_2(ddata, JBT_REG_OUTPUT_CONTROL, 0x8002);
jbt_ret_write_0(ddata, JBT_REG_SLEEP_IN);
jbt_reg_write_1(ddata, JBT_REG_POWER_ON_OFF, 0x00);
-
- src->ops->disable(src);
}
static void td028ttec1_panel_get_timings(struct omap_dss_device *dssdev,
@@ -354,8 +346,7 @@ static int td028ttec1_panel_remove(struct spi_device *spi)
omapdss_device_unregister(dssdev);
- if (omapdss_device_is_enabled(dssdev))
- td028ttec1_panel_disable(dssdev);
+ td028ttec1_panel_disable(dssdev);
return 0;
}