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|---|---|
| From | Tin Huynh <tnhuynh@apm.com> |
| Newsgroups | linux.kernel |
| Subject | [PATCH V1] leds: pca963x: Add ACPI support |
| Date | Tue, 29 Nov 2016 05:20:01 +0100 |
| Message-ID | <sII3D-3lf-3@gated-at.bofh.it> (permalink) |
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| X-Original-Cc | linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Loc Ho <lho@apm.com>, Thang Nguyen <tqnguyen@apm.com>, Phong Vo <pvo@apm.com>, patches@apm.com, Tin Huynh <tnhuynh@apm.com> |
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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
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[PATCH V1] leds: pca963x: Add ACPI support Tin Huynh <tnhuynh@apm.com> - 2016-11-29 05:20 +0100
Re: [PATCH V1] leds: pca963x: Add ACPI support Mika Westerberg <mika.westerberg@linux.intel.com> - 2016-11-29 10:20 +0100
Re: [PATCH V1] leds: pca963x: Add ACPI support Tin Huynh <tnhuynh@apm.com> - 2016-11-29 11:10 +0100
Re: [PATCH V1] leds: pca963x: Add ACPI support Jacek Anaszewski <j.anaszewski@samsung.com> - 2016-11-29 11:30 +0100
Re: [PATCH V1] leds: pca963x: Add ACPI support Jacek Anaszewski <j.anaszewski@samsung.com> - 2016-11-29 11:10 +0100
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