Hi Fabio,
thank you for the comments.
Am Freitag, den 22.03.2013, 12:51 -0300 schrieb Fabio Estevam:
> Philipp Zabel wrote:
>
> > if (!tsi->stopped) {
> > + error = regulator_enable(tsi->tsiref);
> > + if (error < 0) {
> > + dev_err(tsi->da9052->dev,
> > + "Failed to enable TSIREF regualtor: %d\n",
>
> s/regualtor/regulator
I'll correct that.
> > @@ -274,12 +287,20 @@ static int da9052_ts_probe(struct platform_device *pdev)
> > /* Disable ADC */
> > da9052_ts_adc_toggle(tsi, false);
> >
> > + tsi->tsiref = regulator_get(tsi->da9052->dev, "tsiref");
>
> You could use devm_regulator_get here ...
I chose not to use devm_... because tsi->da9052->dev is not pdev->dev
here, but thinking about it, no harm will be done if regulator_put is
only called by the parent device's remove function. I'll switch to
devm_regulator_get if nobody minds.
> > + if (IS_ERR(tsi->tsiref)) {
> > + dev_err(tsi->da9052->dev,
> > + "Failed to get TSIREF regulator: %ld\n",
> > + PTR_ERR(tsi->tsiref));
> > + goto err_free_mem;
> > + }
> > +
> > error = da9052_request_irq(tsi->da9052, DA9052_IRQ_PENDOWN,
> > "pendown-irq", da9052_ts_pendwn_irq, tsi);
> > if (error) {
> > dev_err(tsi->da9052->dev,
> > "Failed to register PENDWN IRQ: %d\n", error);
> > - goto err_free_mem;
> > + goto err_put_reg;
> > }
> >
> > error = da9052_request_irq(tsi->da9052, DA9052_IRQ_TSIREADY,
> > @@ -310,6 +331,8 @@ err_free_datardy_irq:
> > da9052_free_irq(tsi->da9052, DA9052_IRQ_TSIREADY, tsi);
> > err_free_pendwn_irq:
> > da9052_free_irq(tsi->da9052, DA9052_IRQ_PENDOWN, tsi);
> > +err_put_reg:
> > + regulator_put(tsi->tsiref);
> > err_free_mem:
> > kfree(tsi);
> > input_free_device(input_dev);
> > @@ -321,10 +344,9 @@ static int da9052_ts_remove(struct platform_device *pdev)
> > {
> > struct da9052_tsi *tsi = platform_get_drvdata(pdev);
> >
> > - da9052_reg_write(tsi->da9052, DA9052_LDO9_REG, 0x19);
> > -
> > da9052_free_irq(tsi->da9052, DA9052_IRQ_TSIREADY, tsi);
> > da9052_free_irq(tsi->da9052, DA9052_IRQ_PENDOWN, tsi);
> > + regulator_put(tsi->tsiref);
>
> and then no need to use the regulator_put.
regards
Philipp
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