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| author | Ricardo Salveti de Araujo <ricardo.salveti@canonical.com> | 2011-06-22 20:40:15 +0100 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-06-22 20:40:15 +0100 |
| commit | c8bf58b20524c70e5c0568339997d28a3907fb92 (patch) | |
| tree | fb0808c55680c3f88fa20f25fd6722f19ed93786 | |
| parent | 75ed5b7bf50c936a953ba1aff11dc2a42f2c311a (diff) | |
Subject: [PATCH 09/19] OMAP: DSS2: Avoid enabling panel if none is around
Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
| -rw-r--r-- | drivers/video/omap2/displays/panel-generic-dpi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/video/omap2/displays/panel-generic-dpi.c b/drivers/video/omap2/displays/panel-generic-dpi.c index 8529980bcc5..1a6ffd11cb5 100644 --- a/drivers/video/omap2/displays/panel-generic-dpi.c +++ b/drivers/video/omap2/displays/panel-generic-dpi.c @@ -243,6 +243,9 @@ struct panel_drv_data { struct panel_config *panel_config; }; +static bool generic_dpi_panel_is_detected(struct omap_dss_device *dssdev, + bool force); + static inline struct panel_generic_dpi_data *get_panel_data(const struct omap_dss_device *dssdev) { @@ -353,6 +356,13 @@ static int generic_dpi_panel_enable(struct omap_dss_device *dssdev) { int r = 0; + /* Avoid enabling the panel if there is none around */ + if (!generic_dpi_panel_is_detected(dssdev, false)) { + printk(KERN_ERR "Not enabling generic panel as no " + "connector is detected\n"); + return 1; + } + r = generic_dpi_panel_power_on(dssdev); if (r) return r; |