diff options
Diffstat (limited to 'drivers/platform/x86/lg-laptop.c')
| -rw-r--r-- | drivers/platform/x86/lg-laptop.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c index 6af6cf477c5b..f92e89c75db9 100644 --- a/drivers/platform/x86/lg-laptop.c +++ b/drivers/platform/x86/lg-laptop.c @@ -19,6 +19,7 @@ #include <linux/leds.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/string_choices.h> #include <linux/types.h> #include <acpi/battery.h> @@ -42,6 +43,7 @@ MODULE_PARM_DESC(fw_debug, "Enable printing of firmware debug messages"); #define LG_ADDRESS_SPACE_ID 0x8F #define LG_ADDRESS_SPACE_DEBUG_FLAG_ADR 0x00 +#define LG_ADDRESS_SPACE_HD_AUDIO_POWER_ADDR 0x01 #define LG_ADDRESS_SPACE_FAN_MODE_ADR 0x03 #define LG_ADDRESS_SPACE_DTTM_FLAG_ADR 0x20 @@ -668,6 +670,15 @@ static acpi_status lg_laptop_address_space_write(struct device *dev, acpi_physic byte = value & 0xFF; switch (address) { + case LG_ADDRESS_SPACE_HD_AUDIO_POWER_ADDR: + /* + * The HD audio power field is not affected by the DTTM flag, + * so we have to manually check fw_debug. + */ + if (fw_debug) + dev_dbg(dev, "HD audio power %s\n", str_enabled_disabled(byte)); + + return AE_OK; case LG_ADDRESS_SPACE_FAN_MODE_ADR: /* * The fan mode field is not affected by the DTTM flag, so we |