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authorDavid Brown <davidb@codeaurora.org>2011-03-16 22:13:16 -0700
committerDavid Brown <davidb@codeaurora.org>2011-03-16 22:13:16 -0700
commit92c260f755c42337c550d8ac1f8ccd1b32bffb20 (patch)
tree6d04fefc1adeecabfb2b00c201e0db78fa2b5529 /drivers/gpu/drm/i915/intel_hdmi.c
parent8e76a80960bf06c245160a484d5a363ca6b520bb (diff)
parent05e34754518b6a90d5c392790c032575fab12d66 (diff)
Merge remote branch 'rmk/for-linus' into for-linus
* rmk/for-linus: (1557 commits) ARM: 6806/1: irq: introduce entry and exit functions for chained handlers ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas ARM: 6747/1: P2V: Thumb2 support ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9 ARM: 6772/1: errata: possible fault MMU translations following an ASID switch ARM: 6776/1: mach-ux500: activate fix for errata 753970 ARM: 6794/1: SPEAr: Append UL to device address macros. ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files. ARM: 6681/1: SPEAr: add debugfs support to clk API ARM: 6703/1: SPEAr: update clk API support ARM: 6679/1: SPEAr: make clk API functions more generic ARM: 6737/1: SPEAr: formalized timer support ... Conflicts: arch/arm/mach-msm/board-msm7x27.c arch/arm/mach-msm/board-msm7x30.c arch/arm/mach-msm/board-qsd8x50.c arch/arm/mach-msm/board-sapphire.c arch/arm/mach-msm/include/mach/memory.h
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c39
1 files changed, 33 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 0d0273e7b02..c635c9e357b 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -251,6 +251,27 @@ static int intel_hdmi_get_modes(struct drm_connector *connector)
&dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
}
+static bool
+intel_hdmi_detect_audio(struct drm_connector *connector)
+{
+ struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+ struct drm_i915_private *dev_priv = connector->dev->dev_private;
+ struct edid *edid;
+ bool has_audio = false;
+
+ edid = drm_get_edid(connector,
+ &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
+ if (edid) {
+ if (edid->input & DRM_EDID_INPUT_DIGITAL)
+ has_audio = drm_detect_monitor_audio(edid);
+
+ connector->display_info.raw_edid = NULL;
+ kfree(edid);
+ }
+
+ return has_audio;
+}
+
static int
intel_hdmi_set_property(struct drm_connector *connector,
struct drm_property *property,
@@ -264,17 +285,23 @@ intel_hdmi_set_property(struct drm_connector *connector,
return ret;
if (property == intel_hdmi->force_audio_property) {
- if (val == intel_hdmi->force_audio)
+ int i = val;
+ bool has_audio;
+
+ if (i == intel_hdmi->force_audio)
return 0;
- intel_hdmi->force_audio = val;
+ intel_hdmi->force_audio = i;
- if (val > 0 && intel_hdmi->has_audio)
- return 0;
- if (val < 0 && !intel_hdmi->has_audio)
+ if (i == 0)
+ has_audio = intel_hdmi_detect_audio(connector);
+ else
+ has_audio = i > 0;
+
+ if (has_audio == intel_hdmi->has_audio)
return 0;
- intel_hdmi->has_audio = val > 0;
+ intel_hdmi->has_audio = has_audio;
goto done;
}