diff options
Diffstat (limited to 'drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c')
-rw-r--r-- | drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c | 67 |
1 files changed, 53 insertions, 14 deletions
diff --git a/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c b/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c index e75798edbb59..10267461991c 100644 --- a/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c +++ b/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c @@ -39,6 +39,41 @@ static struct omap_video_timings sharp_lq_timings = { .vbp = 2, }; +static int sharp_lq_panel_power_on(struct omap_dss_device *dssdev) +{ + int r; + + r = omapdss_dpi_display_enable(dssdev); + if (r) + goto err0; + + /* wait couple of vsyncs until enabling the LCD */ + msleep(50); + + if (dssdev->platform_enable) { + r = dssdev->platform_enable(dssdev); + if (r) + goto err1; + } + + return 0; +err1: + omapdss_dpi_display_disable(dssdev); +err0: + return r; +} + +static void sharp_lq_panel_power_off(struct omap_dss_device *dssdev) +{ + if (dssdev->platform_disable) + dssdev->platform_disable(dssdev); + + /* wait at least 5 vsyncs after disabling the LCD */ + msleep(100); + + omapdss_dpi_display_disable(dssdev); +} + static int sharp_lq_panel_probe(struct omap_dss_device *dssdev) { @@ -58,36 +93,40 @@ static int sharp_lq_panel_enable(struct omap_dss_device *dssdev) { int r = 0; + r = sharp_lq_panel_power_on(dssdev); + if (r) + return r; - /* wait couple of vsyncs until enabling the LCD */ - msleep(50); - - if (dssdev->platform_enable) - r = dssdev->platform_enable(dssdev); + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; - return r; + return 0; } static void sharp_lq_panel_disable(struct omap_dss_device *dssdev) { + sharp_lq_panel_power_off(dssdev); - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); - - /* wait at least 5 vsyncs after disabling the LCD */ - - msleep(100); + dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } static int sharp_lq_panel_suspend(struct omap_dss_device *dssdev) { - sharp_lq_panel_disable(dssdev); + sharp_lq_panel_power_off(dssdev); + dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED; return 0; } static int sharp_lq_panel_resume(struct omap_dss_device *dssdev) { - return sharp_lq_panel_enable(dssdev); + int r = 0; + + r = sharp_lq_panel_power_on(dssdev); + if (r) + return r; + + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; + + return 0; } static struct omap_dss_driver sharp_lq_driver = { |