From fee4efd7d1372aa9ac2f6873167f02259cb143ef Mon Sep 17 00:00:00 2001 From: Mario Limonciello Date: Wed, 23 Jul 2014 23:19:23 -0500 Subject: alienware-wmi: make hdmi_mux enabled on case-by-case basis Not all HW supporting WMAX method will support the HDMI mux feature. Explicitly quirk the HW that does support it. Signed-off-by: Mario Limonciello Signed-off-by: Matthew Garrett --- drivers/platform/x86/alienware-wmi.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) (limited to 'drivers/platform/x86') diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c index cdbaf3c5328a..c5af23b64438 100644 --- a/drivers/platform/x86/alienware-wmi.c +++ b/drivers/platform/x86/alienware-wmi.c @@ -59,16 +59,24 @@ enum WMAX_CONTROL_STATES { struct quirk_entry { u8 num_zones; + u8 hdmi_mux; }; static struct quirk_entry *quirks; static struct quirk_entry quirk_unknown = { .num_zones = 2, + .hdmi_mux = 0, }; static struct quirk_entry quirk_x51_family = { .num_zones = 3, + .hdmi_mux = 0. +}; + +static struct quirk_entry quirk_asm100 = { + .num_zones = 2, + .hdmi_mux = 1, }; static int __init dmi_matched(const struct dmi_system_id *dmi) @@ -96,6 +104,15 @@ static const struct dmi_system_id alienware_quirks[] __initconst = { }, .driver_data = &quirk_x51_family, }, + { + .callback = dmi_matched, + .ident = "Alienware ASM100", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Alienware"), + DMI_MATCH(DMI_PRODUCT_NAME, "ASM100"), + }, + .driver_data = &quirk_asm100, + }, {} }; @@ -537,7 +554,8 @@ static struct attribute_group hdmi_attribute_group = { static void remove_hdmi(struct platform_device *dev) { - sysfs_remove_group(&dev->dev.kobj, &hdmi_attribute_group); + if (quirks->hdmi_mux > 0) + sysfs_remove_group(&dev->dev.kobj, &hdmi_attribute_group); } static int create_hdmi(struct platform_device *dev) @@ -583,7 +601,7 @@ static int __init alienware_wmi_init(void) if (ret) goto fail_platform_device2; - if (interface == WMAX) { + if (quirks->hdmi_mux > 0) { ret = create_hdmi(platform_device); if (ret) goto fail_prep_hdmi; -- cgit v1.2.3-55-g7522