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path: root/drivers/video/omap2/dss/dispc.c
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Diffstat (limited to 'drivers/video/omap2/dss/dispc.c')
-rw-r--r--drivers/video/omap2/dss/dispc.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 212cb800a5d2..5a5c31c163c7 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -1725,7 +1725,7 @@ static void _enable_lcd_out(bool enable)
REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 0, 0);
}
-void dispc_enable_lcd_out(bool enable)
+static void dispc_enable_lcd_out(bool enable)
{
struct completion frame_done_completion;
bool is_on;
@@ -1772,7 +1772,7 @@ static void _enable_digit_out(bool enable)
REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 1, 1);
}
-void dispc_enable_digit_out(bool enable)
+static void dispc_enable_digit_out(bool enable)
{
struct completion frame_done_completion;
int r;
@@ -1836,6 +1836,26 @@ void dispc_enable_digit_out(bool enable)
enable_clocks(0);
}
+bool dispc_is_channel_enabled(enum omap_channel channel)
+{
+ if (channel == OMAP_DSS_CHANNEL_LCD)
+ return !!REG_GET(DISPC_CONTROL, 0, 0);
+ else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+ return !!REG_GET(DISPC_CONTROL, 1, 1);
+ else
+ BUG();
+}
+
+void dispc_enable_channel(enum omap_channel channel, bool enable)
+{
+ if (channel == OMAP_DSS_CHANNEL_LCD)
+ dispc_enable_lcd_out(enable);
+ else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+ dispc_enable_digit_out(enable);
+ else
+ BUG();
+}
+
void dispc_lcd_enable_signal_polarity(bool act_high)
{
enable_clocks(1);

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