OMAPDSS: Taal: move reset gpio handling to taal driver

The reset GPIO for Taal panel driver is currently requested in the
4430sdp board file. This patch moves the gpio request/free into the Taal
driver, where it should be.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 0f21fa5a16ae..0888162e9ce9 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -993,6 +993,15 @@ static int taal_probe(struct omap_dss_device *dssdev)
 
         dev_set_drvdata(&dssdev->dev, td);
 
+        if (gpio_is_valid(panel_data->reset_gpio)) {
+                r = gpio_request_one(panel_data->reset_gpio, GPIOF_OUT_INIT_LOW,
+                                "taal rst");
+                if (r) {
+                        dev_err(&dssdev->dev, "failed to request reset gpio\n");
+                        goto err_rst_gpio;
+                }
+        }
+
         taal_hw_reset(dssdev);
 
         if (panel_data->use_dsi_backlight) {
@@ -1073,6 +1082,9 @@ err_gpio:
         if (bldev != NULL)
                 backlight_device_unregister(bldev);
 err_bl:
+        if (gpio_is_valid(panel_data->reset_gpio))
+                gpio_free(panel_data->reset_gpio);
+err_rst_gpio:
         destroy_workqueue(td->workqueue);
 err_wq:
         free_regulators(panel_config->regulators, panel_config->num_regulators);
@@ -1116,6 +1128,9 @@ static void __exit taal_remove(struct omap_dss_device *dssdev)
         free_regulators(td->panel_config->regulators,
                         td->panel_config->num_regulators);
 
+        if (gpio_is_valid(panel_data->reset_gpio))
+                gpio_free(panel_data->reset_gpio);
+
         kfree(td);
 }