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| author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2013-04-08 21:39:22 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2013-04-08 21:39:22 +0200 |
| commit | 7c91d302ffe2ffac813c47d6ba2e7489a2ccb35f (patch) | |
| tree | 78a2cf601e986694765b28079bf749a8eaa6a2b9 /drivers/input/touchscreen/mms114.c | |
| parent | 0b824f8dad9fdfc7c1bf9c1d3ac744075eb73ec6 (diff) | |
| parent | 918d7f6f68620e0721bb31402ebf87e15f826831 (diff) | |
| download | olio-linux-3.10-7c91d302ffe2ffac813c47d6ba2e7489a2ccb35f.tar.xz olio-linux-3.10-7c91d302ffe2ffac813c47d6ba2e7489a2ccb35f.zip | |
Merge remote-tracking branch 'clk/clk-for-3.10' into sunxi/core-for-3.10
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 4a29ddf6bf1..1443532fe6c 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) |