aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/drm_mipi_dbi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dbi.c')
-rw-r--r--drivers/gpu/drm/drm_mipi_dbi.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c
index eb27d000bcfb..c871d9f096b8 100644
--- a/drivers/gpu/drm/drm_mipi_dbi.c
+++ b/drivers/gpu/drm/drm_mipi_dbi.c
@@ -417,6 +417,8 @@ void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe)
if (dbidev->regulator)
regulator_disable(dbidev->regulator);
+ if (dbidev->io_regulator)
+ regulator_disable(dbidev->io_regulator);
}
EXPORT_SYMBOL(mipi_dbi_pipe_disable);
@@ -726,6 +728,16 @@ static int mipi_dbi_poweron_reset_conditional(struct mipi_dbi_dev *dbidev, bool
}
}
+ if (dbidev->io_regulator) {
+ ret = regulator_enable(dbidev->io_regulator);
+ if (ret) {
+ DRM_DEV_ERROR(dev, "Failed to enable I/O regulator (%d)\n", ret);
+ if (dbidev->regulator)
+ regulator_disable(dbidev->regulator);
+ return ret;
+ }
+ }
+
if (cond && mipi_dbi_display_is_on(dbi))
return 1;
@@ -735,6 +747,8 @@ static int mipi_dbi_poweron_reset_conditional(struct mipi_dbi_dev *dbidev, bool
DRM_DEV_ERROR(dev, "Failed to send reset command (%d)\n", ret);
if (dbidev->regulator)
regulator_disable(dbidev->regulator);
+ if (dbidev->io_regulator)
+ regulator_disable(dbidev->io_regulator);
return ret;
}