diff options
| author | Kukjin Kim <kgene.kim@samsung.com> | 2013-04-08 18:10:13 +0200 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2013-04-08 18:10:13 +0200 |
| commit | da821eb7d42935b0f7056d98c75fd1150f6636f4 (patch) | |
| tree | de83ac171d51bbe7621110c3145a68c198b13711 /drivers/input/touchscreen/mms114.c | |
| parent | ARM: EXYNOS: fix compilation error introduced due to common clock migration (diff) | |
| parent | Linux 3.9-rc5 (diff) | |
| download | linux-da821eb7d42935b0f7056d98c75fd1150f6636f4.tar.xz linux-da821eb7d42935b0f7056d98c75fd1150f6636f4.zip | |
Merge commit 'v3.9-rc5' into next/clk-exynos
Conflicts:
arch/arm/boot/dts/exynos4.dtsi
arch/arm/boot/dts/exynos5440.dtsi
Diffstat (limited to 'drivers/input/touchscreen/mms114.c')
| -rw-r--r-- | drivers/input/touchscreen/mms114.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c index 4a29ddf6bf1e..1443532fe6c4 100644 --- a/drivers/input/touchscreen/mms114.c +++ b/drivers/input/touchscreen/mms114.c @@ -314,15 +314,27 @@ static int mms114_start(struct mms114_data *data) struct i2c_client *client = data->client; int error; - if (data->core_reg) - regulator_enable(data->core_reg); - if (data->io_reg) - regulator_enable(data->io_reg); + error = regulator_enable(data->core_reg); + if (error) { + dev_err(&client->dev, "Failed to enable avdd: %d\n", error); + return error; + } + + error = regulator_enable(data->io_reg); + if (error) { + dev_err(&client->dev, "Failed to enable vdd: %d\n", error); + regulator_disable(data->core_reg); + return error; + } + mdelay(MMS114_POWERON_DELAY); error = mms114_setup_regs(data); - if (error < 0) + if (error < 0) { + regulator_disable(data->io_reg); + regulator_disable(data->core_reg); return error; + } if (data->pdata->cfg_pin) data->pdata->cfg_pin(true); @@ -335,16 +347,20 @@ static int mms114_start(struct mms114_data *data) static void mms114_stop(struct mms114_data *data) { struct i2c_client *client = data->client; + int error; disable_irq(client->irq); if (data->pdata->cfg_pin) data->pdata->cfg_pin(false); - if (data->io_reg) - regulator_disable(data->io_reg); - if (data->core_reg) - regulator_disable(data->core_reg); + error = regulator_disable(data->io_reg); + if (error) + dev_warn(&client->dev, "Failed to disable vdd: %d\n", error); + + error = regulator_disable(data->core_reg); + if (error) + dev_warn(&client->dev, "Failed to disable avdd: %d\n", error); } static int mms114_input_open(struct input_dev *dev) |