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.c49
1 files changed, 15 insertions, 34 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
index 2721a86ac5e7..b5d8a00df811 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
@@ -169,16 +169,25 @@ enum jbt_register {
static int td028ttec1_panel_connect(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
+ struct omap_dss_device *in;
int r;
if (omapdss_device_is_connected(dssdev))
return 0;
+ in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node);
+ if (IS_ERR(in)) {
+ dev_err(dssdev->dev, "failed to find video source\n");
+ return PTR_ERR(in);
+ }
+
r = in->ops.dpi->connect(in, dssdev);
- if (r)
+ if (r) {
+ omap_dss_put_device(in);
return r;
+ }
+ ddata->in = in;
return 0;
}
@@ -191,6 +200,9 @@ static void td028ttec1_panel_disconnect(struct omap_dss_device *dssdev)
return;
in->ops.dpi->disconnect(in, dssdev);
+
+ omap_dss_put_device(in);
+ ddata->in = NULL;
}
static int td028ttec1_panel_enable(struct omap_dss_device *dssdev)
@@ -362,23 +374,6 @@ static struct omap_dss_driver td028ttec1_ops = {
.check_timings = td028ttec1_panel_check_timings,
};
-static int td028ttec1_probe_of(struct spi_device *spi)
-{
- struct device_node *node = spi->dev.of_node;
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *in;
-
- in = omapdss_of_find_source_for_first_ep(node);
- if (IS_ERR(in)) {
- dev_err(&spi->dev, "failed to find video source\n");
- return PTR_ERR(in);
- }
-
- ddata->in = in;
-
- return 0;
-}
-
static int td028ttec1_panel_probe(struct spi_device *spi)
{
struct panel_drv_data *ddata;
@@ -404,13 +399,6 @@ static int td028ttec1_panel_probe(struct spi_device *spi)
ddata->spi_dev = spi;
- if (!spi->dev.of_node)
- return -ENODEV;
-
- r = td028ttec1_probe_of(spi);
- if (r)
- return r;
-
ddata->vm = td028ttec1_panel_vm;
dssdev = &ddata->dssdev;
@@ -423,21 +411,16 @@ static int td028ttec1_panel_probe(struct spi_device *spi)
r = omapdss_register_display(dssdev);
if (r) {
dev_err(&spi->dev, "Failed to register panel\n");
- goto err_reg;
+ return r;
}
return 0;
-
-err_reg:
- omap_dss_put_device(ddata->in);
- return r;
}
static int td028ttec1_panel_remove(struct spi_device *spi)
{
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
struct omap_dss_device *dssdev = &ddata->dssdev;
- struct omap_dss_device *in = ddata->in;
dev_dbg(&ddata->spi_dev->dev, "%s\n", __func__);
@@ -446,8 +429,6 @@ static int td028ttec1_panel_remove(struct spi_device *spi)
td028ttec1_panel_disable(dssdev);
td028ttec1_panel_disconnect(dssdev);
- omap_dss_put_device(in);
-
return 0;
}