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OMAPDSS: Panel NEC: Set omap_dss_device states correctly 

The display state parameter of omap_dss_device struct is not being set correctly
in the panel driver NEC panel driver panel-nec-nl8048hl11-01b.c. Set the correct
states in the panel's enable/disable/suspend/resume functions.

CC: Erik Gilling <konkers@android.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Archit Taneja 2011-12-12 11:47:42 +05:30 committed by Tomi Valkeinen
parent 84309f1632
commit d95c03f3fa
1 changed files with 52 additions and 9 deletions
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61
drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
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@ -163,50 +163,93 @@ static void nec_8048_panel_remove(struct omap_dss_device *dssdev)
kfree(necd);
}
static int nec_8048_panel_enable(struct omap_dss_device *dssdev)
static int nec_8048_panel_power_on(struct omap_dss_device *dssdev)
{
int r = 0;
int r;
struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev);
struct backlight_device *bl = necd->bl;
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
return 0;
r = omapdss_dpi_display_enable(dssdev);
if (r)
goto err0;
if (dssdev->platform_enable) {
r = dssdev->platform_enable(dssdev);
if (r)
return r;
goto err1;
}
r = nec_8048_bl_update_status(bl);
if (r < 0)
dev_err(&dssdev->dev, "failed to set lcd brightness\n");
r = omapdss_dpi_display_enable(dssdev);
return 0;
err1:
omapdss_dpi_display_disable(dssdev);
err0:
return r;
}
static void nec_8048_panel_disable(struct omap_dss_device *dssdev)
static void nec_8048_panel_power_off(struct omap_dss_device *dssdev)
{
struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev);
struct backlight_device *bl = necd->bl;
omapdss_dpi_display_disable(dssdev);
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
return;
bl->props.brightness = 0;
nec_8048_bl_update_status(bl);
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
omapdss_dpi_display_disable(dssdev);
}
static int nec_8048_panel_enable(struct omap_dss_device *dssdev)
{
int r;
r = nec_8048_panel_power_on(dssdev);
if (r)
return r;
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return 0;
}
static void nec_8048_panel_disable(struct omap_dss_device *dssdev)
{
nec_8048_panel_power_off(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static int nec_8048_panel_suspend(struct omap_dss_device *dssdev)
{
nec_8048_panel_disable(dssdev);
nec_8048_panel_power_off(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
return 0;
}
static int nec_8048_panel_resume(struct omap_dss_device *dssdev)
{
return nec_8048_panel_enable(dssdev);
int r;
r = nec_8048_panel_power_on(dssdev);
if (r)
return r;
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return 0;
}
static int nec_8048_recommended_bpp(struct omap_dss_device *dssdev)