diff options
| author | Tin Huynh <tnhuynh@apm.com> | 2016-11-29 07:18:20 +0300 |
|---|---|---|
| committer | Jacek Anaszewski <j.anaszewski@samsung.com> | 2016-11-30 13:10:09 +0300 |
| commit | f26dab9fc745540f7e30aa8840be6e49b9671080 (patch) | |
| tree | 72f205f3a8bbb87f1ad3db1c47b559ca780d17c0 /drivers/leds | |
| parent | cee0122de3a850d3d66d8346a20e3d2a0146b4a0 (diff) | |
| download | linux-f26dab9fc745540f7e30aa8840be6e49b9671080.tar.xz | |
leds: pca963x: Add ACPI support
This patch enables ACPI support for leds-pca963x driver.
Signed-off-by: Tin Huynh <tnhuynh@apm.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | 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 46fbf935944a..ded1e4dac36a 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> @@ -96,6 +97,15 @@ static const struct i2c_device_id pca963x_id[] = { }; 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 { @@ -360,7 +370,16 @@ 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) { @@ -464,6 +483,7 @@ static struct i2c_driver pca963x_driver = { .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, |