diff options
Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dbi.c')
-rw-r--r-- | drivers/gpu/drm/drm_mipi_dbi.c | 14 |
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; } |