On 11/30/2016 09:06 AM, Tin Huynh wrote:
On Wed, Nov 30, 2016 at 3:01 PM, Jacek Anaszewski
<j.anaszewski@xxxxxxxxxxx> wrote:
On 11/30/2016 08:51 AM, Jacek Anaszewski wrote:
Hi Tin,
How this patch is different from the one already merged?
Best regards,
Jacek Anaszewski
On 11/30/2016 04:08 AM, Tin Huynh wrote:
This patch enables ACPI support for leds-pca955x driver.
Signed-off-by: Tin Huynh <tnhuynh@xxxxxxx>
---
drivers/leds/leds-pca955x.c | 22 +++++++++++++++++++++-
1 files changed, 21 insertions(+), 1 deletions(-)
Change from V2:
-Correct coding conventions.
Change from V1:
-Remove CONFIG_ACPI.
diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c
index 840401a..b168ebe 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 +101,15 @@ struct pca955x_chipdef {
};
MODULE_DEVICE_TABLE(i2c, pca955x_id);
+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 },
+ { }
OK, I see that you brought back explicit properties in the
structure initializer. Is there some vital reason for that?
You're mentioning "correcting coding conventions" in the
patch changelog. checkpatch.pl --strict doesn't complain about
that, so what coding conventions you have on mind?
+MODULE_DEVICE_TABLE(acpi, pca955x_acpi_ids);
+
struct pca955x {
struct mutex lock;
struct pca955x_led *leds;
@@ -250,7 +260,16 @@ 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];
+ } else {
+ const struct acpi_device_id *acpi_id;
I added '{}' follow if
You had it already in V1. Please verify if the patch applied
to the for-next branch of linux-leds.git has the shape you intended:
https://git.kernel.org/cgit/linux/kernel/git/j.anaszewski/linux-leds.git/commit/?h=for-next&id=e46895b71a26da404c4d95cb2bab1a67cf8b20bc
--
Best regards,
Jacek Anaszewski
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