diff options
Diffstat (limited to 'drivers/video/omap2/displays/panel-tpo-td043mtea1.c')
| -rw-r--r-- | drivers/video/omap2/displays/panel-tpo-td043mtea1.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c index e866e76b13d0..dbe9d43b4850 100644 --- a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c +++ b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c @@ -269,6 +269,9 @@ static int tpo_td043_power_on(struct omap_dss_device *dssdev) int nreset_gpio = dssdev->reset_gpio; int r; + if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) + return 0; + r = omapdss_dpi_display_enable(dssdev); if (r) goto err0; @@ -308,6 +311,9 @@ static void tpo_td043_power_off(struct omap_dss_device *dssdev) struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev); int nreset_gpio = dssdev->reset_gpio; + if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) + return; + tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM); |