-struct panel_regulator {
- struct regulator *regulator;
- const char *name;
- int min_uV;
- int max_uV;
-};
-
-static void free_regulators(struct panel_regulator *regulators, int n)
-{
- int i;
-
- for (i = 0; i < n; i++) {
- /* disable/put in reverse order */
- regulator_disable(regulators[n - i - 1].regulator);
- regulator_put(regulators[n - i - 1].regulator);
- }
-}
-
-static int init_regulators(struct omap_dss_device *dssdev,
- struct panel_regulator *regulators, int n)
-{
- int r, i, v;
-
- for (i = 0; i < n; i++) {
- struct regulator *reg;
-
- reg = regulator_get(&dssdev->dev, regulators[i].name);
- if (IS_ERR(reg)) {
- dev_err(&dssdev->dev, "failed to get regulator %s\n",
- regulators[i].name);
- r = PTR_ERR(reg);
- goto err;
- }
-
- /* FIXME: better handling of fixed vs. variable regulators */
- v = regulator_get_voltage(reg);
- if (v < regulators[i].min_uV || v > regulators[i].max_uV) {
- r = regulator_set_voltage(reg, regulators[i].min_uV,
- regulators[i].max_uV);
- if (r) {
- dev_err(&dssdev->dev,
- "failed to set regulator %s voltage\n",
- regulators[i].name);
- regulator_put(reg);
- goto err;
- }
- }
-
- r = regulator_enable(reg);
- if (r) {
- dev_err(&dssdev->dev, "failed to enable regulator %s\n",
- regulators[i].name);
- regulator_put(reg);
- goto err;
- }
-
- regulators[i].regulator = reg;
- }
-
- return 0;
-
-err:
- free_regulators(regulators, i);
-
- return r;
-}
-