Somehow the configuration register that the audio driver needs to use depends on the port/pipe combination. Adding the pipe information to the notify() call isn't helping, the pipe value is -1 (illegal).
FIXME: does this require a change in the pdata or a handshake with i915? Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/x86/intel_hdmi_lpe_audio.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/sound/x86/intel_hdmi_lpe_audio.c b/sound/x86/intel_hdmi_lpe_audio.c index 6ef0ff8..23e5b34 100644 --- a/sound/x86/intel_hdmi_lpe_audio.c +++ b/sound/x86/intel_hdmi_lpe_audio.c @@ -563,7 +563,13 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev) if (pci_dev_present(cherryview_ids)) { dev_dbg(&hlpe_pdev->dev, "%s: Cherrytrail LPE - Detected\n", __func__); - ctx->had_config_offset = AUDIO_HDMI_CONFIG_C; + //ctx->had_config_offset = AUDIO_HDMI_CONFIG_C; + /* FIXME: hard-coding to CONFIG_A enables DP audio on CHT, + * how do I find out which config to use ? + * the pipe is -1 (invalid) when the notify function is called, + * so not sure how to go about this + */ + ctx->had_config_offset = AUDIO_HDMI_CONFIG_A; } else { dev_dbg(&hlpe_pdev->dev, "%s: Baytrail LPE - Assume\n", __func__);