linux-kernel - Re: [PATCH V1] leds: pca955x: Add ACPI support for pca955x

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Message-id: <0c2ec3cc-9b8d-6187-54f2-63c1e08bc528@samsung.com>
Date:   Wed, 23 Nov 2016 11:20:53 +0100
From:   Jacek Anaszewski <j.anaszewski@...sung.com>
To:     "Thang Q. Nguyen" <tqnguyen@....com>, Tin Huynh <tnhuynh@....com>
Cc:     Richard Purdie <rpurdie@...ys.net>, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org, Loc Ho <lho@....com>,
        Phong Vo <pvo@....com>, patches <patches@....com>
Subject: Re: [PATCH V1] leds: pca955x: Add ACPI support for pca955x

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@....com
> <mailto:tnhuynh@....com>> wrote:
>
>     From: Tin Huynh <tnhuynh@....com <mailto:tnhuynh@....com>>
>
>     This patch enables ACPI support for leds-pca955x driver.
>
>     Signed-off-by: Tin Huynh <tnhuynh@....com <mailto:tnhuynh@....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@....com <mailto:tqnguyen@....com>
>