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OMAP: DSS2: DSI: ensure VDDS_DSI is disabled on exit

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The panel drivers can leave the VDDS_DSI regulator enabled, even when
the panel is disabled, to ensure that the DSI pins are powered.

This patch ensures that VDDS_DSI is disabled on DSI module unload.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen
2010-12-20 16:26:22 +02:00
parent d1f5857e4b
commit 88257b2695
1 changed files with 5 additions and 0 deletions
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5
drivers/video/omap2/dss/dsi.c
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@@ -4090,6 +4090,11 @@ err1:
static void dsi_exit(void) static void dsi_exit(void)
{ {
if (dsi.vdds_dsi_reg != NULL) { if (dsi.vdds_dsi_reg != NULL) {
if (dsi.vdds_dsi_enabled) {
regulator_disable(dsi.vdds_dsi_reg);
dsi.vdds_dsi_enabled = false;
}
regulator_put(dsi.vdds_dsi_reg); regulator_put(dsi.vdds_dsi_reg);
dsi.vdds_dsi_reg = NULL; dsi.vdds_dsi_reg = NULL;
} }