Messages in this thread | | | Subject | Re: [PATCH V1] leds: pca955x: Add ACPI support for pca955x | From | Jacek Anaszewski <> | Date | Wed, 23 Nov 2016 11:20:53 +0100 |
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Hi Thang,
It is customary to ack the patches using following tag:
Acked-by: Your Name <your_email>
Thanks, Jacek Anaszewski
On 11/23/2016 09:44 AM, Thang Q. Nguyen wrote: > Acked. > > On Wed, Nov 23, 2016 at 3:42 PM, <tnhuynh@apm.com > <mailto:tnhuynh@apm.com>> wrote: > > From: Tin Huynh <tnhuynh@apm.com <mailto:tnhuynh@apm.com>> > > This patch enables ACPI support for leds-pca955x driver. > > Signed-off-by: Tin Huynh <tnhuynh@apm.com <mailto:tnhuynh@apm.com>> > --- > drivers/leds/leds-pca955x.c | 26 +++++++++++++++++++++++++- > 1 files changed, 25 insertions(+), 1 deletions(-) > > diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c > index 840401a..8770090 100644 > --- a/drivers/leds/leds-pca955x.c > +++ b/drivers/leds/leds-pca955x.c > @@ -40,6 +40,7 @@ > * bits the chip supports. > */ > > +#include <linux/acpi.h> > #include <linux/module.h> > #include <linux/delay.h> > #include <linux/string.h> > @@ -100,6 +101,17 @@ struct pca955x_chipdef { > }; > MODULE_DEVICE_TABLE(i2c, pca955x_id); > > +#ifdef CONFIG_ACPI > +static const struct acpi_device_id pca955x_acpi_ids[] = { > + { .id = "PCA9550", .driver_data = pca9550 }, > + { .id = "PCA9551", .driver_data = pca9551 }, > + { .id = "PCA9552", .driver_data = pca9552 }, > + { .id = "PCA9553", .driver_data = pca9553 }, > + { } > +}; > +MODULE_DEVICE_TABLE(acpi, pca955x_acpi_ids); > +#endif > + > struct pca955x { > struct mutex lock; > struct pca955x_led *leds; > @@ -250,7 +262,18 @@ static int pca955x_probe(struct i2c_client *client, > struct led_platform_data *pdata; > int i, err; > > - chip = &pca955x_chipdefs[id->driver_data]; > + if (id) > + chip = &pca955x_chipdefs[id->driver_data]; > +#ifdef CONFIG_ACPI > + else { > + const struct acpi_device_id *acpi_id; > + > + acpi_id = acpi_match_device(pca955x_acpi_ids, > &client->dev); > + if (!acpi_id) > + return -ENODEV; > + chip = &pca955x_chipdefs[acpi_id->driver_data]; > + } > +#endif > adapter = to_i2c_adapter(client->dev.parent); > pdata = dev_get_platdata(&client->dev); > > @@ -358,6 +381,7 @@ static int pca955x_remove(struct i2c_client *client) > static struct i2c_driver pca955x_driver = { > .driver = { > .name = "leds-pca955x", > + .acpi_match_table = ACPI_PTR(pca955x_acpi_ids), > }, > .probe = pca955x_probe, > .remove = pca955x_remove, > -- > 1.7.1 > > > > > -- > > > > *Thang Q. Nguyen **|**Staff SW Eng.* > > C: +849.7684.7606 |O: +848.3770.0640 > > F: +848.3770.0641 |tqnguyen@apm.com <mailto:tqnguyen@apm.com> >
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