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authorDave Airlie <airlied@redhat.com>2011-03-14 14:15:13 +1000
committerDave Airlie <airlied@redhat.com>2011-03-14 14:15:13 +1000
commit34db18abd376b2075c760c38f0b861aed379415d (patch)
treec4174e39a2f445f17c25ab206d45c66217bbbf85 /sound/soc/soc-dapm.c
parente73f88af66fcc50083fae4b7e1c39b469179a97a (diff)
parent47ae63e0c2e5fdb582d471dc906eb29be94c732f (diff)
downloadblackbird-op-linux-34db18abd376b2075c760c38f0b861aed379415d.tar.gz
blackbird-op-linux-34db18abd376b2075c760c38f0b861aed379415d.zip
Merge remote branch 'intel/drm-intel-next' of ../drm-next into drm-core-next
* 'intel/drm-intel-next' of ../drm-next: (755 commits) drm/i915: Only wait on a pending flip if we intend to write to the buffer drm/i915/dp: Sanity check eDP existence drm/i915: Rebind the buffer if its alignment constraints changes with tiling drm/i915: Disable GPU semaphores by default drm/i915: Do not overflow the MMADDR write FIFO Revert "drm/i915: fix corruptions on i8xx due to relaxed fencing" drm/i915: Don't save/restore hardware status page address register drm/i915: don't store the reg value for HWS_PGA drm/i915: fix memory corruption with GM965 and >4GB RAM Linux 2.6.38-rc7 Revert "TPM: Long default timeout fix" drm/i915: Re-enable GPU semaphores for SandyBridge mobile drm/i915: Replace vblank PM QoS with "Interrupt-Based AGPBUSY#" Revert "drm/i915: Use PM QoS to prevent C-State starvation of gen3 GPU" drm/i915: Allow relocation deltas outside of target bo drm/i915: Silence an innocuous compiler warning for an unused variable fs/block_dev.c: fix new kernel-doc warning ACPI: Fix build for CONFIG_NET unset mm: <asm-generic/pgtable.h> must include <linux/mm_types.h> x86: Use u32 instead of long to set reset vector back to 0 ... Conflicts: drivers/gpu/drm/i915/i915_gem.c
Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 8194f150bab7..25e54230cc6a 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -712,7 +712,15 @@ static int dapm_supply_check_power(struct snd_soc_dapm_widget *w)
!path->connected(path->source, path->sink))
continue;
- if (path->sink && path->sink->power_check &&
+ if (!path->sink)
+ continue;
+
+ if (path->sink->force) {
+ power = 1;
+ break;
+ }
+
+ if (path->sink->power_check &&
path->sink->power_check(path->sink)) {
power = 1;
break;
@@ -1627,6 +1635,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_add_routes);
int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
{
struct snd_soc_dapm_widget *w;
+ unsigned int val;
list_for_each_entry(w, &dapm->card->widgets, list)
{
@@ -1675,6 +1684,18 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
case snd_soc_dapm_post:
break;
}
+
+ /* Read the initial power state from the device */
+ if (w->reg >= 0) {
+ val = snd_soc_read(w->codec, w->reg);
+ val &= 1 << w->shift;
+ if (w->invert)
+ val = !val;
+
+ if (val)
+ w->power = 1;
+ }
+
w->new = 1;
}
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