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-rw-r--r--sound/pci/hda/patch_intelhdmi.c89
1 files changed, 67 insertions, 22 deletions
diff --git a/sound/pci/hda/patch_intelhdmi.c b/sound/pci/hda/patch_intelhdmi.c
index 0d5dd1ba820..3990182777e 100644
--- a/sound/pci/hda/patch_intelhdmi.c
+++ b/sound/pci/hda/patch_intelhdmi.c
@@ -146,38 +146,78 @@ struct cea_channel_speaker_allocation {
};
/*
+ * ALSA sequence is:
+ *
+ * surround40 surround41 surround50 surround51 surround71
+ * ch0 front left = = = =
+ * ch1 front right = = = =
+ * ch2 rear left = = = =
+ * ch3 rear right = = = =
+ * ch4 LFE center center center
+ * ch5 LFE LFE
+ * ch6 side left
+ * ch7 side right
+ *
+ * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
+ */
+static int hdmi_channel_mapping[0x32][8] = {
+ /* stereo */
+ [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
+ /* 2.1 */
+ [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
+ /* Dolby Surround */
+ [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
+ /* surround40 */
+ [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
+ /* 4ch */
+ [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
+ /* surround41 */
+ [0x09] = { 0x00, 0x11, 0x24, 0x34, 0x43, 0xf2, 0xf6, 0xf7 },
+ /* surround50 */
+ [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
+ /* surround51 */
+ [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
+ /* 7.1 */
+ [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
+};
+
+/*
* This is an ordered list!
*
* The preceding ones have better chances to be selected by
* hdmi_setup_channel_allocation().
*/
static struct cea_channel_speaker_allocation channel_allocations[] = {
-/* channel: 8 7 6 5 4 3 2 1 */
+/* channel: 7 6 5 4 3 2 1 0 */
{ .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
/* 2.1 */
{ .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
/* Dolby Surround */
{ .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
+ /* surround40 */
+{ .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
+ /* surround41 */
+{ .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
+ /* surround50 */
+{ .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
+ /* surround51 */
+{ .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
+ /* 6.1 */
+{ .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
+ /* surround71 */
+{ .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
+
{ .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
{ .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
{ .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
{ .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
{ .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
-{ .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
-{ .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
-{ .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
- /* 5.1 */
-{ .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
{ .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
{ .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
{ .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
- /* 6.1 */
-{ .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
{ .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
{ .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
{ .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
- /* 7.1 */
-{ .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
{ .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
{ .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
{ .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
@@ -210,7 +250,6 @@ static struct cea_channel_speaker_allocation channel_allocations[] = {
{ .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
};
-
/*
* HDA/HDMI auto parsing
*/
@@ -625,19 +664,25 @@ static void hdmi_setup_channel_mapping(struct hda_codec *codec,
struct hdmi_audio_infoframe *ai)
{
int i;
+ int ca = ai->CA;
+ int err;
- if (!ai->CA)
- return;
-
- /*
- * TODO: adjust channel mapping if necessary
- * ALSA sequence is front/surr/clfe/side?
- */
+ if (hdmi_channel_mapping[ca][1] == 0) {
+ for (i = 0; i < channel_allocations[ca].channels; i++)
+ hdmi_channel_mapping[ca][i] = i | (i << 4);
+ for (; i < 8; i++)
+ hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
+ }
- for (i = 0; i < 8; i++)
- snd_hda_codec_write(codec, pin_nid, 0,
- AC_VERB_SET_HDMI_CHAN_SLOT,
- (i << 4) | i);
+ for (i = 0; i < 8; i++) {
+ err = snd_hda_codec_write(codec, pin_nid, 0,
+ AC_VERB_SET_HDMI_CHAN_SLOT,
+ hdmi_channel_mapping[ca][i]);
+ if (err) {
+ snd_printdd(KERN_INFO "HDMI: channel mapping failed\n");
+ break;
+ }
+ }
hdmi_debug_channel_mapping(codec, pin_nid);
}