Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d13fc85e authored by Mingming Yin's avatar Mingming Yin Committed by Gerrit - the friendly Code Review server
Browse files

ASoC: msm: qdsp6v2: enhance multi-channel playback support 



-Add multi-channel playback support for non standard
 channel mappings such as 3-ch, 4-ch, 5-ch, and 7-ch

Change-Id: I712ef28e9fdb2e35b59dd5fbbaddd9d38a2bad69
Signed-off-by: default avatarMingming Yin <mingming@codeaurora.org>
parent 155357d0

drivers/video/msm/mdss/mdss_hdmi_tx.c

+6 −0
Original line number Diff line number Diff line
@@ -63,8 +63,11 @@ static bool hdcp_feature_on = true; 


/* Supported HDMI Audio channels */

#define MSM_HDMI_AUDIO_CHANNEL_2	2

#define MSM_HDMI_AUDIO_CHANNEL_3	3

#define MSM_HDMI_AUDIO_CHANNEL_4	4

#define MSM_HDMI_AUDIO_CHANNEL_5	5

#define MSM_HDMI_AUDIO_CHANNEL_6	6

#define MSM_HDMI_AUDIO_CHANNEL_7	7

#define MSM_HDMI_AUDIO_CHANNEL_8	8



enum msm_hdmi_supported_audio_sample_rates {
@@ -2057,12 +2060,15 @@ static int hdmi_tx_audio_iframe_setup(struct hdmi_tx_ctrl *hdmi_ctrl, 
		switch (num_of_channels) {

		case MSM_HDMI_AUDIO_CHANNEL_2:

			break;

		case MSM_HDMI_AUDIO_CHANNEL_3:

		case MSM_HDMI_AUDIO_CHANNEL_4:

			channel_count = 3;

			break;

		case MSM_HDMI_AUDIO_CHANNEL_5:

		case MSM_HDMI_AUDIO_CHANNEL_6:

			channel_count = 5;

			break;

		case MSM_HDMI_AUDIO_CHANNEL_7:

		case MSM_HDMI_AUDIO_CHANNEL_8:

			channel_count = 7;

			break;

sound/soc/codecs/msm_hdmi_codec_rx.c

+13 −0
Original line number Diff line number Diff line
@@ -120,13 +120,26 @@ static int msm_hdmi_audio_codec_rx_dai_hw_params( 
		return msm_hdmi_audio_codec_return_value;

	}



	/*refer to HDMI spec CEA-861-E: Table 28 Audio InfoFrame Data Byte 4*/

	switch (num_channels) {

	case 2:

		channel_allocation  = 0;

		break;

	case 3:

		channel_allocation  = 0x02;/*default to FL/FR/FC*/

		break;

	case 4:

		channel_allocation  = 0x06;/*default to FL/FR/FC/RC*/

		break;

	case 5:

		channel_allocation  = 0x0A;/*default to FL/FR/FC/RR/RL*/

		break;

	case 6:

		channel_allocation  = 0x0B;

		break;

	case 7:

		channel_allocation  = 0x12;/*default to FL/FR/FC/RL/RR/RRC/RLC*/

		break;

	case 8:

		channel_allocation  = 0x13;

		break;

sound/soc/msm/qdsp6v2/msm-dai-q6-hdmi-v2.c

+13 −0
Original line number Diff line number Diff line
@@ -129,13 +129,26 @@ static int msm_dai_q6_hdmi_hw_params(struct snd_pcm_substream *substream, 
		break;

	}



	/*refer to HDMI spec CEA-861-E: Table 28 Audio InfoFrame Data Byte 4*/

	switch (dai_data->channels) {

	case 2:

		dai_data->port_config.hdmi_multi_ch.channel_allocation = 0;

		break;

	case 3:

		dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x02;

		break;

	case 4:

		dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x06;

		break;

	case 5:

		dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x0A;

		break;

	case 6:

		dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x0B;

		break;

	case 7:

		dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x12;

		break;

	case 8:

		dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x13;

		break;