diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c index 0c5b405b4c9e..907abf8ef4e6 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c @@ -62,23 +62,22 @@ static void sharp_ls_disconnect(struct omap_dss_device *src, { } -static int sharp_ls_enable(struct omap_dss_device *dssdev) +static void sharp_ls_pre_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *src = dssdev->src; int r; if (ddata->vcc) { r = regulator_enable(ddata->vcc); - if (r != 0) - return r; + if (r) + dev_err(dssdev->dev, "%s: failed to enable regulator\n", + __func__); } +} - r = src->ops->enable(src); - if (r) { - regulator_disable(ddata->vcc); - return r; - } +static void sharp_ls_enable(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = to_panel_data(dssdev); /* wait couple of vsyncs until enabling the LCD */ msleep(50); @@ -88,14 +87,11 @@ static int sharp_ls_enable(struct omap_dss_device *dssdev) if (ddata->ini_gpio) gpiod_set_value_cansleep(ddata->ini_gpio, 1); - - return 0; } static void sharp_ls_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *src = dssdev->src; if (ddata->ini_gpio) gpiod_set_value_cansleep(ddata->ini_gpio, 0); @@ -104,10 +100,12 @@ static void sharp_ls_disable(struct omap_dss_device *dssdev) gpiod_set_value_cansleep(ddata->resb_gpio, 0); /* wait at least 5 vsyncs after disabling the LCD */ - msleep(100); +} - src->ops->disable(src); +static void sharp_ls_post_disable(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = to_panel_data(dssdev); if (ddata->vcc) regulator_disable(ddata->vcc); @@ -125,8 +123,10 @@ static const struct omap_dss_device_ops sharp_ls_ops = { .connect = sharp_ls_connect, .disconnect = sharp_ls_disconnect, + .pre_enable = sharp_ls_pre_enable, .enable = sharp_ls_enable, .disable = sharp_ls_disable, + .post_disable = sharp_ls_post_disable, .get_timings = sharp_ls_get_timings, }; @@ -230,8 +230,10 @@ static int __exit sharp_ls_remove(struct platform_device *pdev) omapdss_device_unregister(dssdev); - if (omapdss_device_is_enabled(dssdev)) + if (omapdss_device_is_enabled(dssdev)) { sharp_ls_disable(dssdev); + sharp_ls_post_disable(dssdev); + } return 0; } |