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Date: Tue, 15 Sep 2020 16:12:21 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Mohan Kumar <mkumard@...dia.com>, Sameer Pujar <spujar@...dia.com>, Takashi Iwai <tiwai@...e.de>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.8 070/177] ALSA: hda: Fix 2 channel swapping for Tegra From: Mohan Kumar <mkumard@...dia.com> [ Upstream commit 216116eae43963c662eb84729507bad95214ca6b ] The Tegra HDA codec HW implementation has an issue related to not swapping the 2 channel Audio Sample Packet(ASP) channel mapping. Whatever the FL and FR mapping specified the left channel always comes out of left speaker and right channel on right speaker. So add condition to disallow the swapping of FL,FR during the playback. Signed-off-by: Mohan Kumar <mkumard@...dia.com> Acked-by: Sameer Pujar <spujar@...dia.com> Link: https://lore.kernel.org/r/20200825052415.20626-2-mkumard@nvidia.com Signed-off-by: Takashi Iwai <tiwai@...e.de> Signed-off-by: Sasha Levin <sashal@...nel.org> --- sound/pci/hda/patch_hdmi.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index fc22bdc30da3e..bde3b3a169eb2 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -3671,6 +3671,7 @@ static int tegra_hdmi_build_pcms(struct hda_codec *codec) static int patch_tegra_hdmi(struct hda_codec *codec) { + struct hdmi_spec *spec; int err; err = patch_generic_hdmi(codec); @@ -3678,6 +3679,10 @@ static int patch_tegra_hdmi(struct hda_codec *codec) return err; codec->patch_ops.build_pcms = tegra_hdmi_build_pcms; + spec = codec->spec; + spec->chmap.ops.chmap_cea_alloc_validate_get_type = + nvhdmi_chmap_cea_alloc_validate_get_type; + spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; return 0; } -- 2.25.1
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