diff options
Diffstat (limited to 'drivers/video/omap2/dss/dsi.c')
| -rw-r--r-- | drivers/video/omap2/dss/dsi.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index e9b734ccb1a..97ad21bf7a2 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -309,6 +309,20 @@ static inline u32 dsi_read_reg(const struct dsi_reg idx) return __raw_readl(dsi.base + idx.idx); } +static struct regulator *dsi_get_vdds_dsi(void) +{ + struct regulator *reg; + + if (dsi.vdds_dsi_reg != NULL) + return dsi.vdds_dsi_reg; + + reg = regulator_get(&dsi.pdev->dev, "vdds_dsi"); + if (!IS_ERR(reg)) + dsi.vdds_dsi_reg = reg; + + return reg; +} + void dsi_save_context(void) { @@ -3723,6 +3737,12 @@ static int dsi_init(struct platform_device *pdev) DSSERR("request_irq failed\n"); goto err2; } + dsi.vdds_dsi_reg = dsi_get_vdds_dsi(); + if (IS_ERR(dsi.vdds_dsi_reg)) { + DSSERR("can't get VDDS_DSI regulator\n"); + r = PTR_ERR(dsi.vdds_dsi_reg); + goto err2; + } /* DSI VCs initialization */ for (i = 0; i < ARRAY_SIZE(dsi.vc); i++) { |