diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/arizona-core.c | 93 |
1 files changed, 77 insertions, 16 deletions
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 93024acc145e..4f38ce654558 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -442,12 +442,33 @@ static int arizona_runtime_resume(struct device *dev) dev_dbg(arizona->dev, "Leaving AoD mode\n"); + if (arizona->has_fully_powered_off) { + dev_dbg(arizona->dev, "Re-enabling core supplies\n"); + + ret = regulator_bulk_enable(arizona->num_core_supplies, + arizona->core_supplies); + if (ret) { + dev_err(dev, "Failed to enable core supplies: %d\n", + ret); + return ret; + } + } + ret = regulator_enable(arizona->dcvdd); if (ret != 0) { dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret); + if (arizona->has_fully_powered_off) + regulator_bulk_disable(arizona->num_core_supplies, + arizona->core_supplies); return ret; } + if (arizona->has_fully_powered_off) { + arizona_disable_reset(arizona); + enable_irq(arizona->irq); + arizona->has_fully_powered_off = false; + } + regcache_cache_only(arizona->regmap, false); switch (arizona->type) { @@ -508,6 +529,14 @@ static int arizona_runtime_resume(struct device *dev) goto err; } } + + ret = wm5110_apply_sleep_patch(arizona); + if (ret) { + dev_err(arizona->dev, + "Failed to re-apply sleep patch: %d\n", + ret); + goto err; + } break; default: ret = arizona_wait_for_boot(arizona); @@ -545,10 +574,17 @@ err: static int arizona_runtime_suspend(struct device *dev) { struct arizona *arizona = dev_get_drvdata(dev); + unsigned int val; int ret; dev_dbg(arizona->dev, "Entering AoD mode\n"); + ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val); + if (ret) { + dev_err(dev, "Failed to check jack det status: %d\n", ret); + return ret; + } + if (arizona->external_dcvdd) { ret = regmap_update_bits(arizona->regmap, ARIZONA_ISOLATION_CONTROL, @@ -559,33 +595,58 @@ static int arizona_runtime_suspend(struct device *dev) ret); return ret; } - } else { - switch (arizona->type) { - case WM5110: - case WM8280: - /* - * As this is only called for the internal regulator - * (where we know voltage ranges available) it is ok - * to request an exact range. - */ - ret = regulator_set_voltage(arizona->dcvdd, - 1175000, 1175000); - if (ret < 0) { + } + + switch (arizona->type) { + case WM5110: + case WM8280: + if (arizona->external_dcvdd) + break; + + /* + * As this is only called for the internal regulator + * (where we know voltage ranges available) it is ok + * to request an exact range. + */ + ret = regulator_set_voltage(arizona->dcvdd, 1175000, 1175000); + if (ret < 0) { + dev_err(arizona->dev, + "Failed to set suspend voltage: %d\n", ret); + return ret; + } + break; + case WM5102: + if (!(val & ARIZONA_JD1_ENA)) { + ret = regmap_write(arizona->regmap, + ARIZONA_WRITE_SEQUENCER_CTRL_3, 0x0); + if (ret) { dev_err(arizona->dev, - "Failed to set suspend voltage: %d\n", + "Failed to clear write sequencer: %d\n", ret); return ret; } - break; - default: - break; } + break; + default: + break; } regcache_cache_only(arizona->regmap, true); regcache_mark_dirty(arizona->regmap); regulator_disable(arizona->dcvdd); + /* Allow us to completely power down if no jack detection */ + if (!(val & ARIZONA_JD1_ENA)) { + dev_dbg(arizona->dev, "Fully powering off\n"); + + arizona->has_fully_powered_off = true; + + disable_irq(arizona->irq); + arizona_enable_reset(arizona); + regulator_bulk_disable(arizona->num_core_supplies, + arizona->core_supplies); + } + return 0; } #endif |