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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-18 10:46:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-18 10:46:37 -0700
commitd3e458d78167102cc961237cfceef6fffc80c0b3 (patch)
treee9195c1294daf053614e63ac52b0b44a28479017 /sound/pci/hda/patch_hdmi.c
parentf2e1fbb5f2177227f71c4fc0491e531dd7acd385 (diff)
parentd351cf4603edb2a5bfa9a48d06c425511c63f2a3 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (308 commits) ALSA: sound/pci/asihpi: check adapter index in hpi_ioctl ALSA: aloop - Fix possible IRQ lock inversion ALSA: sound/core: merge list_del()/list_add_tail() to list_move_tail() ALSA: ctxfi - use list_move() instead of list_del()/list_add() combination ALSA: firewire - msleep needs delay.h ALSA: firewire-lib, firewire-speakers: handle packet queueing errors ALSA: firewire-lib: allocate DMA buffer separately ALSA: firewire-lib: use no-info SYT for packets without SYT sample ALSA: add LaCie FireWire Speakers/Griffin FireWave Surround driver ALSA: hda - Remove an unused variable in patch_realtek.c ALSA: hda - pin-adc-mux-dmic auto-configuration of 92HD8X codecs ALSA: hda - fix digital mic selection in mixer on 92HD8X codecs ALSA: hda - Move default input-src selection to init part ALSA: hda - Initialize special cases for input src in init phase ALSA: ctxfi - Clear input settings before initialization ALSA: ctxfi - Fix SPDIF status retrieval ALSA: ctxfi - Fix incorrect SPDIF status bit mask ALSA: ctxfi - Fix microphone boost codes/comments ALSA: atiixp - Fix wrong time-out checks during ac-link reset ALSA: intel8x0m: append 'm' to "r_intel8x0" ...
Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
-rw-r--r--sound/pci/hda/patch_hdmi.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index ec0fa2dd0a27..251773e45f61 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -110,6 +110,12 @@ struct dp_audio_infoframe {
u8 LFEPBL01_LSV36_DM_INH7;
};
+union audio_infoframe {
+ struct hdmi_audio_infoframe hdmi;
+ struct dp_audio_infoframe dp;
+ u8 bytes[0];
+};
+
/*
* CEA speaker placement:
*
@@ -620,8 +626,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
int channels = substream->runtime->channels;
int ca;
int i;
- u8 ai[max(sizeof(struct hdmi_audio_infoframe),
- sizeof(struct dp_audio_infoframe))];
+ union audio_infoframe ai;
ca = hdmi_channel_allocation(codec, nid, channels);
@@ -633,11 +638,10 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
pin_nid = spec->pin[i];
- memset(ai, 0, sizeof(ai));
+ memset(&ai, 0, sizeof(ai));
if (spec->sink_eld[i].conn_type == 0) { /* HDMI */
- struct hdmi_audio_infoframe *hdmi_ai;
+ struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
- hdmi_ai = (struct hdmi_audio_infoframe *)ai;
hdmi_ai->type = 0x84;
hdmi_ai->ver = 0x01;
hdmi_ai->len = 0x0a;
@@ -645,9 +649,8 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
hdmi_ai->CA = ca;
hdmi_checksum_audio_infoframe(hdmi_ai);
} else if (spec->sink_eld[i].conn_type == 1) { /* DisplayPort */
- struct dp_audio_infoframe *dp_ai;
+ struct dp_audio_infoframe *dp_ai = &ai.dp;
- dp_ai = (struct dp_audio_infoframe *)ai;
dp_ai->type = 0x84;
dp_ai->len = 0x1b;
dp_ai->ver = 0x11 << 2;
@@ -664,7 +667,8 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
* sizeof(*dp_ai) to avoid partial match/update problems when
* the user switches between HDMI/DP monitors.
*/
- if (!hdmi_infoframe_uptodate(codec, pin_nid, ai, sizeof(ai))) {
+ if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
+ sizeof(ai))) {
snd_printdd("hdmi_setup_audio_infoframe: "
"cvt=%d pin=%d channels=%d\n",
nid, pin_nid,
@@ -672,7 +676,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
hdmi_setup_channel_mapping(codec, pin_nid, ca);
hdmi_stop_infoframe_trans(codec, pin_nid);
hdmi_fill_audio_infoframe(codec, pin_nid,
- ai, sizeof(ai));
+ ai.bytes, sizeof(ai));
hdmi_start_infoframe_trans(codec, pin_nid);
}
}