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| author | Jarkko Nikula <jarkko.nikula@linux.intel.com> | 2014-05-16 16:55:25 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-05-16 19:59:25 +0100 |
| commit | 70f29d388915723ce03eee74a649f170e4c9f1e0 (patch) | |
| tree | 44d97578a94325508ace5a883d97177eeb5d25eb /sound/soc/codecs/max98090.c | |
| parent | c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff) | |
| download | op-kernel-dev-70f29d388915723ce03eee74a649f170e4c9f1e0.zip op-kernel-dev-70f29d388915723ce03eee74a649f170e4c9f1e0.tar.gz | |
ASoC: max98090: Add ACPI probing support
Add ACPI ID for MAX98090 and ACPI 5 I2C device probing support.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/codecs/max98090.c')
| -rw-r--r-- | sound/soc/codecs/max98090.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c index f7b0b37..aba6ed2 100644 --- a/sound/soc/codecs/max98090.c +++ b/sound/soc/codecs/max98090.c @@ -15,6 +15,7 @@ #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/slab.h> +#include <linux/acpi.h> #include <sound/jack.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -2329,9 +2330,11 @@ static const struct regmap_config max98090_regmap = { }; static int max98090_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) + const struct i2c_device_id *i2c_id) { struct max98090_priv *max98090; + const struct acpi_device_id *acpi_id; + kernel_ulong_t driver_data = 0; int ret; pr_debug("max98090_i2c_probe\n"); @@ -2341,7 +2344,19 @@ static int max98090_i2c_probe(struct i2c_client *i2c, if (max98090 == NULL) return -ENOMEM; - max98090->devtype = id->driver_data; + if (ACPI_HANDLE(&i2c->dev)) { + acpi_id = acpi_match_device(i2c->dev.driver->acpi_match_table, + &i2c->dev); + if (!acpi_id) { + dev_err(&i2c->dev, "No driver data\n"); + return -EINVAL; + } + driver_data = acpi_id->driver_data; + } else if (i2c_id) { + driver_data = i2c_id->driver_data; + } + + max98090->devtype = driver_data; i2c_set_clientdata(i2c, max98090); max98090->pdata = i2c->dev.platform_data; max98090->irq = i2c->irq; @@ -2405,12 +2420,21 @@ static const struct of_device_id max98090_of_match[] = { }; MODULE_DEVICE_TABLE(of, max98090_of_match); +#ifdef CONFIG_ACPI +static struct acpi_device_id max98090_acpi_match[] = { + { "193C9890", MAX98090 }, + { } +}; +MODULE_DEVICE_TABLE(acpi, max98090_acpi_match); +#endif + static struct i2c_driver max98090_i2c_driver = { .driver = { .name = "max98090", .owner = THIS_MODULE, .pm = &max98090_pm, .of_match_table = of_match_ptr(max98090_of_match), + .acpi_match_table = ACPI_PTR(max98090_acpi_match), }, .probe = max98090_i2c_probe, .remove = max98090_i2c_remove, |
