diff options
Diffstat (limited to 'drivers/media/video/tegra/tegra_camera.c')
| -rw-r--r-- | drivers/media/video/tegra/tegra_camera.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/media/video/tegra/tegra_camera.c b/drivers/media/video/tegra/tegra_camera.c index 03eecf464c48..2b0cd005096c 100644 --- a/drivers/media/video/tegra/tegra_camera.c +++ b/drivers/media/video/tegra/tegra_camera.c @@ -2,7 +2,7 @@ * drivers/media/video/tegra/tegra_camera.c * * Copyright (C) 2010 Google, Inc. - * Copyright (C) 2012 Nvidia Corp + * Copyright (c) 2010-2012, NVIDIA Corporation. All rights reserved. * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -58,6 +58,25 @@ struct tegra_camera_block { bool is_enabled; }; +/* + * Declare and define two static variables to provide hint to + * gr3d module + */ +static int tegra_camera_on; +static struct tegra_camera_platform_data *pdata; + +int is_tegra_camera_on(void) +{ + if (pdata) { + if (pdata->limit_3d_emc_clk) + return tegra_camera_on; + else + return 0; + } else { + return 0; + } +} + static int tegra_camera_enable_clk(struct tegra_camera_dev *dev) { clk_enable(dev->vi_clk); @@ -227,6 +246,7 @@ static int tegra_camera_power_on(struct tegra_camera_dev *dev) __func__); #endif dev->power_on = 1; + tegra_camera_on = dev->power_on; return ret; } @@ -255,6 +275,7 @@ static int tegra_camera_power_off(struct tegra_camera_dev *dev) } } dev->power_on = 0; + tegra_camera_on = dev->power_on; return ret; } @@ -425,6 +446,7 @@ static int tegra_camera_probe(struct platform_device *pdev) mutex_unlock(&dev->tegra_camera_lock); dev->dev = &pdev->dev; + pdata = pdev->dev.platform_data; /* Get regulator pointer */ #ifdef CONFIG_ARCH_TEGRA_2x_SOC |