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[Wetek.Play/meson6] - apply 1080p24@48khz audiomode fix from meson8 - fixes audio locking issue for yamaha amps with this video mode
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@ -0,0 +1,36 @@
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--- a/arch/arm/mach-meson6/hdmi_tx_hw/hdmi_tx_hw.c.orig 2015-01-15 22:15:55.446965413 +0100
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+++ b/arch/arm/mach-meson6/hdmi_tx_hw/hdmi_tx_hw.c 2015-01-15 22:16:13.378517737 +0100
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@@ -1999,6 +1999,7 @@
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{
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unsigned int audio_N_para = 6272;
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unsigned int audio_N_tolerance = 3;
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+ unsigned int multiplier = 1;
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// unsigned int audio_CTS = 30000;
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hdmi_print(INF, AUD "audio channel num is %d\n", hdmitx_device->cur_audio_param.channel_num);
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@@ -2122,15 +2123,22 @@
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hdmi_print(INF, AUD "reset audio N para\n");
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switch(audio_param->sample_rate){
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case FS_44K1:
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- audio_N_para = 6272 * 2;
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- break;
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case FS_48K:
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- audio_N_para = 6144 * 2;
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+ multiplier = 2;
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break;
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default:
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break;
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}
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+ //1080p24hz mode is a special case - at least for yamaha amps
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+ //it needs 3 times the normal npara to get a stable audio lock
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+ if((hdmitx_device->cur_VIC == HDMI_1080p24))
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+ {
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+ multiplier = 3;
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+ }
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+
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+ audio_N_para *= multiplier;
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+
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//TODO. Different audio type, maybe have different settings
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switch(audio_param->type){
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case CT_PCM:
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