static int atv_dac_power(int on)
{
int rc = 0;
pr_info("%s: on/off=%d\n", __func__, on);
#define _GET_REGULATOR(var, name) do { \
var = regulator_get(NULL, name); \
if (IS_ERR(var)) { \
pr_err("'%s' regulator not found, rc=%ld\n", \
name, IS_ERR(var)); \
var = NULL; \
return -ENODEV; \
} \
} while (0)
if (!reg_8058_l13)
_GET_REGULATOR(reg_8058_l13, "8058_l13");
#undef _GET_REGULATOR
if (on) {
//gpio_set_value(PM8058_GPIO_PM_TO_SYS(DOUBLESHOT_TVOUT_SW - 1), 1);
rc = regulator_set_voltage(reg_8058_l13, 2050000, 2050000);
if (rc) {
pr_err("%s: '%s' regulator set voltage failed,\
rc=%d\n", __func__, "8058_l13", rc);
goto end;
}
rc = regulator_enable(reg_8058_l13);
if (rc) {
pr_err("%s: '%s' regulator enable failed,\
rc=%d\n", __func__, "8058_l13", rc);
goto end;
}
} else {
static void display_panel_power(int on)
{
int rc;
static struct regulator *display_reg;
static struct regulator *lvds_reg;
#if S7_HWID_L3H(S7, S7301, B)
static struct regulator *iovcc_reg;
#endif
if(on) {
/* LCD VCCS set to 3.0V */
_GET_REGULATOR(display_reg, "8901_l2");
if (!display_reg)
return;
rc = regulator_set_voltage(display_reg,
3000000, 3000000);
if (rc)
goto out_display_reg;
rc = regulator_enable(display_reg);
if (rc)
goto out_display_reg;
/* LVDS VCCS set to 3.30 */
_GET_REGULATOR(lvds_reg, "8901_l3");
if (!lvds_reg)
return;
rc = regulator_set_voltage(lvds_reg,
3000000, 3000000);
if (rc)
goto out_lvds_reg;
rc = regulator_enable(lvds_reg);
if (rc)
goto out_lvds_reg;
#if S7_HWID_L3H(S7, S7301, B)
/* LVDS_IOVCC set to 1.8V */
_GET_REGULATOR(iovcc_reg, "8058_l11");
if (!iovcc_reg)
return;
rc = regulator_set_voltage(iovcc_reg,
1800000, 1800000);
if (rc)
goto out_iovcc_reg;
rc = regulator_enable(iovcc_reg);
if (rc)
goto out_iovcc_reg;
#endif
/* LCD_H_REV */
rc = gpio_request(lcd_h_rev, "lcd_h_rev");
if (rc == 0) {
/* output, pull low to enable */
gpio_direction_output(lcd_h_rev, 0);
} else {
pr_err("%s: lcd_h_rev=%d, gpio_request failed\n",
__func__, lcd_h_rev);
goto out_pm_reg;
}
/* LCD_V_REV */
rc = gpio_request(lcd_v_rev, "lcd_v_rev");
if (rc == 0) {
/* output, pull low to enable */
gpio_direction_output(lcd_v_rev, 0);
} else {
pr_err("%s: lcd_v_rev=%d, gpio_request failed\n",
__func__, lcd_v_rev);
goto out_lcd_h_rev;
}
/* LCD_ID */
rc = gpio_request(lcd_panel_id, "lcd_panel_id");
if (rc == 0) {
/* output, pull high to enable */
gpio_direction_input(lcd_panel_id);
} else {
pr_err("%s: lcd_panel_id=%d, gpio_request failed\n",
__func__, lcd_panel_id);
goto out_lcd_v_rev;
}
display_power_on = 1;
}else {
if (display_power_on) {
display_power_on = 0;
goto out_lcd_panel_id;
}
}
return;
out_lcd_panel_id:
gpio_free(lcd_panel_id);
out_lcd_v_rev:
gpio_free(lcd_v_rev);
out_lcd_h_rev:
gpio_free(lcd_h_rev);
out_pm_reg:
#if S7_HWID_L3L(S7, S7301, T0)
regulator_disable(lvds_reg);
#elif S7_HWID_L3H(S7, S7301, B)
regulator_disable(iovcc_reg);
#endif
#if S7_HWID_L3H(S7, S7301, B)
out_iovcc_reg:
regulator_disable(lvds_reg);
regulator_put(iovcc_reg);
iovcc_reg = NULL;
#endif
out_lvds_reg:
regulator_disable(display_reg);
regulator_put(lvds_reg);
lvds_reg = NULL;
out_display_reg:
regulator_put(display_reg);
display_reg = NULL;
}