diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/sor.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/sor.c | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index b81e6d39aa32..478c001f4453 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -2002,6 +2002,30 @@ static void tegra_sor_audio_unprepare(struct tegra_sor *sor) tegra_sor_writel(sor, 0, SOR_INT_ENABLE); } +static void tegra_sor_audio_enable(struct tegra_sor *sor) +{ + u32 value; + + value = tegra_sor_readl(sor, SOR_AUDIO_CNTRL); + + /* select HDA audio input */ + value &= ~SOR_AUDIO_CNTRL_SOURCE_SELECT(SOURCE_SELECT_MASK); + value |= SOR_AUDIO_CNTRL_SOURCE_SELECT(SOURCE_SELECT_HDA); + + /* inject null samples */ + if (sor->format.channels != 2) + value &= ~SOR_AUDIO_CNTRL_INJECT_NULLSMPL; + else + value |= SOR_AUDIO_CNTRL_INJECT_NULLSMPL; + + value |= SOR_AUDIO_CNTRL_AFIFO_FLUSH; + + tegra_sor_writel(sor, value, SOR_AUDIO_CNTRL); + + /* enable advertising HBR capability */ + tegra_sor_writel(sor, SOR_AUDIO_SPARE_HBR_ENABLE, SOR_AUDIO_SPARE); +} + static int tegra_sor_hdmi_enable_audio_infoframe(struct tegra_sor *sor) { u8 buffer[HDMI_INFOFRAME_SIZE(AUDIO)]; @@ -2037,24 +2061,7 @@ static void tegra_sor_hdmi_audio_enable(struct tegra_sor *sor) { u32 value; - value = tegra_sor_readl(sor, SOR_AUDIO_CNTRL); - - /* select HDA audio input */ - value &= ~SOR_AUDIO_CNTRL_SOURCE_SELECT(SOURCE_SELECT_MASK); - value |= SOR_AUDIO_CNTRL_SOURCE_SELECT(SOURCE_SELECT_HDA); - - /* inject null samples */ - if (sor->format.channels != 2) - value &= ~SOR_AUDIO_CNTRL_INJECT_NULLSMPL; - else - value |= SOR_AUDIO_CNTRL_INJECT_NULLSMPL; - - value |= SOR_AUDIO_CNTRL_AFIFO_FLUSH; - - tegra_sor_writel(sor, value, SOR_AUDIO_CNTRL); - - /* enable advertising HBR capability */ - tegra_sor_writel(sor, SOR_AUDIO_SPARE_HBR_ENABLE, SOR_AUDIO_SPARE); + tegra_sor_audio_enable(sor); tegra_sor_writel(sor, 0, SOR_HDMI_ACR_CTRL); |