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| author | Otavio Salvador <otavio@ossystems.com.br> | 2020-05-20 08:43:03 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-20 08:43:03 -0300 |
| commit | 1279cd128bba968ebe0a2df7f7ae38bae90250ef (patch) | |
| tree | df6b1a190760f51465122ca4c13492d5ac5984c6 /drivers/mfd/ti_am335x_tscadc.c | |
| parent | 0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff) | |
| parent | 2ae782ca839e0ee07de37122ddea362adff2e975 (diff) | |
Merge pull request #76 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'drivers/mfd/ti_am335x_tscadc.c')
| -rw-r--r-- | drivers/mfd/ti_am335x_tscadc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index 60286adbd6a1..e56f0844b98d 100644 --- a/drivers/mfd/ti_am335x_tscadc.c +++ b/drivers/mfd/ti_am335x_tscadc.c @@ -295,11 +295,24 @@ static int ti_tscadc_remove(struct platform_device *pdev) return 0; } +static int __maybe_unused ti_tscadc_can_wakeup(struct device *dev, void *data) +{ + return device_may_wakeup(dev); +} + static int __maybe_unused tscadc_suspend(struct device *dev) { struct ti_tscadc_dev *tscadc = dev_get_drvdata(dev); regmap_write(tscadc->regmap, REG_SE, 0x00); + if (device_for_each_child(dev, NULL, ti_tscadc_can_wakeup)) { + u32 ctrl; + + regmap_read(tscadc->regmap, REG_CTRL, &ctrl); + ctrl &= ~(CNTRLREG_POWERDOWN); + ctrl |= CNTRLREG_TSCSSENB; + regmap_write(tscadc->regmap, REG_CTRL, ctrl); + } pm_runtime_put_sync(dev); return 0; |