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OMAPDSS: Add DSS feature for HDMI MCLK for audio

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Certain OMAP4 revisions (i.e., 4430 ES2.3, 4460, and 4470) use
a pseudo clock (generated from the TMDS clock), MCLK, to drive the
generation of Audio Clock Regeneration packets. Other devices
(i.e., 4430 ES2.[0,2]) use the TMDS clock directly.

This patch adds a new DSS feature for MCLK support. It also rearranges
the omap_dss_features structures to reflect the devices supporting it.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Ricardo Neri
2012-02-16 09:20:57 -06:00
committed by Tomi Valkeinen
parent 4306b721ac
commit 709881942d
2 changed files with 42 additions and 0 deletions
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1
drivers/video/omap2/dss/dss_features.h
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@@ -50,6 +50,7 @@ enum dss_feat_id {
FEAT_DSI_REVERSE_TXCLKESC,
FEAT_DSI_GNQ,
FEAT_HDMI_CTS_SWMODE,
FEAT_HDMI_AUDIO_USE_MCLK,
FEAT_HANDLE_UV_SEPARATE,
FEAT_ATTR2,
FEAT_VENC_REQUIRES_TV_DAC_CLK,