From: Erik Gilling <konkers@android.com>
Date: Thu, 12 Aug 2010 01:52:50 +0000 (-0700)
Subject: video: tegra: add init/suspend/resume hooks to outputs
X-Git-Tag: firefly_0821_release~9833^2~286
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fc6fca2f38db32884a29ce19b8ed9d29133be99f;p=firefly-linux-kernel-4.4.55.git

video: tegra: add init/suspend/resume hooks to outputs

Allows board specific code to handle panel init.

Signed-off-by: Erik Gilling <konkers@android.com>
---

diff --git a/arch/arm/mach-tegra/include/mach/dc.h b/arch/arm/mach-tegra/include/mach/dc.h
index b8a0e7a4a5dc..ae610e56c1f8 100644
--- a/arch/arm/mach-tegra/include/mach/dc.h
+++ b/arch/arm/mach-tegra/include/mach/dc.h
@@ -62,6 +62,10 @@ struct tegra_dc_out {
 
 	struct tegra_dc_mode	*modes;
 	int			n_modes;
+
+	int	(*init)(void);
+	int	(*suspend)(pm_message_t state);
+	int	(*resume)(void);
 };
 
 #define TEGRA_DC_ALIGN_MSB		0
diff --git a/drivers/video/tegra/dc/dc.c b/drivers/video/tegra/dc/dc.c
index 261bcedf8939..9c5caeb76c13 100644
--- a/drivers/video/tegra/dc/dc.c
+++ b/drivers/video/tegra/dc/dc.c
@@ -747,6 +747,8 @@ static int tegra_dc_probe(struct platform_device *pdev)
 	}
 
 	tegra_dc_init(dc);
+	if (dc->out && dc->out->init)
+		dc->out->init();
 
 	tegra_dc_set_blending(dc, tegra_dc_blend_modes[0]);
 
@@ -812,6 +814,9 @@ static int tegra_dc_suspend(struct platform_device *pdev, pm_message_t state)
 
 	dev_info(&pdev->dev, "suspend\n");
 
+	if (dc->out && dc->out->suspend)
+		dc->out->suspend(state);
+
 	disable_irq(dc->irq);
 	tegra_periph_reset_assert(dc->clk);
 	clk_disable(dc->clk);
@@ -835,6 +840,8 @@ static int tegra_dc_resume(struct platform_device *pdev)
 		wins[i] = &dc->windows[i];
 
 	tegra_dc_init(dc);
+	if (dc->out && dc->out->resume)
+		dc->out->resume();
 
 	tegra_dc_set_blending(dc, tegra_dc_blend_modes[0]);
 	tegra_dc_update_windows(wins, dc->n_windows);