diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2018-08-22 22:49:36 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-08-28 20:11:37 +0100 |
| commit | 960cdd50ca9fdfeb82c2757107bcb7f93c8d7d41 (patch) | |
| tree | fa375aa7bab5a4b648cc0490d51ed597c91d3470 /sound | |
| parent | 7509487785d7a2bf3606cf26710f0ca29e9ca94d (diff) | |
| download | linux-960cdd50ca9fdfeb82c2757107bcb7f93c8d7d41.tar.bz2 | |
ASoC: wm8804: Add ACPI support
HID made of either Wolfson/CirrusLogic PCI ID + 8804 identifier.
This helps enumerate the HifiBerry Digi+ HAT boards on the Up2 platform.
The scripts at https://github.com/thesofproject/acpi-scripts can be
used to add the ACPI initrd overlays.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/wm8804-i2c.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sound/soc/codecs/wm8804-i2c.c b/sound/soc/codecs/wm8804-i2c.c index f27464c2c5ba..79541960f45d 100644 --- a/sound/soc/codecs/wm8804-i2c.c +++ b/sound/soc/codecs/wm8804-i2c.c @@ -13,6 +13,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/i2c.h> +#include <linux/acpi.h> #include "wm8804.h" @@ -40,17 +41,29 @@ static const struct i2c_device_id wm8804_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id); +#if defined(CONFIG_OF) static const struct of_device_id wm8804_of_match[] = { { .compatible = "wlf,wm8804", }, { } }; MODULE_DEVICE_TABLE(of, wm8804_of_match); +#endif + +#ifdef CONFIG_ACPI +static const struct acpi_device_id wm8804_acpi_match[] = { + { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */ + { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */ + { }, +}; +MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match); +#endif static struct i2c_driver wm8804_i2c_driver = { .driver = { .name = "wm8804", .pm = &wm8804_pm, - .of_match_table = wm8804_of_match, + .of_match_table = of_match_ptr(wm8804_of_match), + .acpi_match_table = ACPI_PTR(wm8804_acpi_match), }, .probe = wm8804_i2c_probe, .remove = wm8804_i2c_remove, |