diff options
| -rw-r--r-- | drivers/video/tegra/dc/hdmi.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/video/tegra/dc/hdmi.c b/drivers/video/tegra/dc/hdmi.c index 006529d78101..3100bd090b78 100644 --- a/drivers/video/tegra/dc/hdmi.c +++ b/drivers/video/tegra/dc/hdmi.c @@ -24,6 +24,7 @@ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/spinlock.h> +#include <linux/wakelock.h> #include <linux/switch.h> #include <linux/workqueue.h> @@ -57,6 +58,8 @@ struct tegra_dc_hdmi_data { struct switch_dev hpd_switch; + struct wake_lock wake_lock; + spinlock_t suspend_lock; bool suspended; bool hpd_pending; @@ -619,6 +622,7 @@ static int tegra_dc_hdmi_init(struct tegra_dc *dc) tegra_dc_set_outdata(dc, hdmi); + wake_lock_init(&hdmi->wake_lock, WAKE_LOCK_SUSPEND, "HDMI"); return 0; err_free_irq: @@ -653,6 +657,7 @@ static void tegra_dc_hdmi_destroy(struct tegra_dc *dc) clk_put(hdmi->disp2_clk); tegra_edid_destroy(hdmi->edid); + wake_lock_destroy(&hdmi->wake_lock); kfree(hdmi); } @@ -1093,6 +1098,8 @@ static void tegra_dc_hdmi_enable(struct tegra_dc *dc) tegra_dc_writel(dc, DISP_CTRL_MODE_C_DISPLAY, DC_CMD_DISPLAY_COMMAND); tegra_dc_writel(dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL); tegra_dc_writel(dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL); + + wake_lock(&hdmi->wake_lock); } static void tegra_dc_hdmi_disable(struct tegra_dc *dc) @@ -1101,6 +1108,7 @@ static void tegra_dc_hdmi_disable(struct tegra_dc *dc) tegra_periph_reset_assert(hdmi->clk); clk_disable(hdmi->clk); + wake_unlock(&hdmi->wake_lock); } struct tegra_dc_out_ops tegra_dc_hdmi_ops = { .init = tegra_dc_hdmi_init, |