diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index 31875b636434..ed2983770e9c 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -125,10 +125,22 @@ static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master, return PTR_ERR(hdmi->clk_tmds); } + hdmi->regulator = devm_regulator_get(dev, "hvcc"); + if (IS_ERR(hdmi->regulator)) { + dev_err(dev, "Couldn't get regulator\n"); + return PTR_ERR(hdmi->regulator); + } + + ret = regulator_enable(hdmi->regulator); + if (ret) { + dev_err(dev, "Failed to enable regulator\n"); + return ret; + } + ret = reset_control_deassert(hdmi->rst_ctrl); if (ret) { dev_err(dev, "Could not deassert ctrl reset control\n"); - return ret; + goto err_disable_regulator; } ret = clk_prepare_enable(hdmi->clk_tmds); @@ -183,6 +195,8 @@ err_disable_clk_tmds: clk_disable_unprepare(hdmi->clk_tmds); err_assert_ctrl_reset: reset_control_assert(hdmi->rst_ctrl); +err_disable_regulator: + regulator_disable(hdmi->regulator); return ret; } @@ -196,6 +210,7 @@ static void sun8i_dw_hdmi_unbind(struct device *dev, struct device *master, sun8i_hdmi_phy_remove(hdmi); clk_disable_unprepare(hdmi->clk_tmds); reset_control_assert(hdmi->rst_ctrl); + regulator_disable(hdmi->regulator); } static const struct component_ops sun8i_dw_hdmi_ops = { |