lkml.org 
[lkml]   [2016]   [Nov]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH V1] leds: pca963x: Add ACPI support
Date
This patch enables ACPI support for leds-pca963x driver.

Signed-off-by: Tin Huynh <tnhuynh@apm.com>
---
drivers/leds/leds-pca963x.c | 22 +++++++++++++++++++++-
1 files changed, 21 insertions(+), 1 deletions(-)

diff --git a/drivers/leds/leds-pca963x.c b/drivers/leds/leds-pca963x.c
index 407eba1..be51a12 100644
--- a/drivers/leds/leds-pca963x.c
+++ b/drivers/leds/leds-pca963x.c
@@ -25,6 +25,7 @@
* or by adding the 'nxp,hw-blink' property to the DTS.
*/

+#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/string.h>
@@ -95,6 +96,15 @@ struct pca963x_chipdef {
};
MODULE_DEVICE_TABLE(i2c, pca963x_id);

+static const struct acpi_device_id pca963x_acpi_ids[] = {
+ { "PCA9632", pca9633 },
+ { "PCA9633", pca9633 },
+ { "PCA9634", pca9634 },
+ { "PCA9635", pca9635 },
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, pca963x_acpi_ids);
+
struct pca963x_led;

struct pca963x {
@@ -322,7 +332,16 @@ static int pca963x_probe(struct i2c_client *client,
struct pca963x_chipdef *chip;
int i, err;

- chip = &pca963x_chipdefs[id->driver_data];
+ if (id) {
+ chip = &pca963x_chipdefs[id->driver_data];
+ } else {
+ const struct acpi_device_id *acpi_id;
+
+ acpi_id = acpi_match_device(pca963x_acpi_ids, &client->dev);
+ if (!acpi_id)
+ return -ENODEV;
+ chip = &pca963x_chipdefs[acpi_id->driver_data];
+ }
pdata = dev_get_platdata(&client->dev);

if (!pdata) {
@@ -426,6 +445,7 @@ static int pca963x_remove(struct i2c_client *client)
.driver = {
.name = "leds-pca963x",
.of_match_table = of_match_ptr(of_pca963x_match),
+ .acpi_match_table = ACPI_PTR(pca963x_acpi_ids),
},
.probe = pca963x_probe,
.remove = pca963x_remove,
--
1.7.1
\
 
 \ /
  Last update: 2016-11-29 05:19    [W:0.091 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site