On Fri, 2011-03-04 at 01:48 -0600, K, Mythri P wrote:
> The panel driver(hdmi_omap4_panel.c) in omap2/dss acts as a controller
> to manage the enable and disable requests and synchronize audio and video.
>
> Signed-off-by: Mythri P K <[email protected]>
> ---
> drivers/video/omap2/dss/Kconfig | 8 +
> drivers/video/omap2/dss/Makefile | 1 +
> drivers/video/omap2/dss/hdmi_omap4_panel.c | 206
> ++++++++++++++++++++++++++++
> 3 files changed, 215 insertions(+), 0 deletions(-)
> create mode 100644 drivers/video/omap2/dss/hdmi_omap4_panel.c
>
<snip>
> +static int hdmi_panel_suspend(struct omap_dss_device *dssdev)
> +{
> + int r = 0;
> +
> + mutex_lock(&hdmi.hdmi_lock);
> +
> + if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED ||
> + dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) {
Here you could check if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
> + r = -EINVAL;
> + goto err;
> + }
> +
> + dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
> +
> + omapdss_hdmi_display_disable(dssdev);
> +
> +err:
> + mutex_unlock(&hdmi.hdmi_lock);
> +
> + return r;
> +}
> +
> +static int hdmi_panel_resume(struct omap_dss_device *dssdev)
> +{
> + int r = 0;
> +
> + mutex_lock(&hdmi.hdmi_lock);
> +
> + if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
Here you should check if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED)
Tomi
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