From: Takashi Iwai Date: Mon, 9 Dec 2013 09:18:09 +0000 (+0100) Subject: ALSA: hda - Increment default stream numbers for AMD HDMI controllers X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7546abfb8e1f9933b549f05898377e9444ee4cb2;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git ALSA: hda - Increment default stream numbers for AMD HDMI controllers It turned out that some AMD HDMI controllers still don't provide proper values in GCAP register (all zero), and the driver assigns only one stream in that case, although the connected codec chip supports more than one stream. In this patch, the default max number of streams for AMD HDMI controllers is increased to 8, which should suffice for most use cases. The overhead by this increase is more azx_dev struct and BDL allocations, so it's negligible. Of course, if the controller provides a proper GCAP register, the register value would be used. Signed-off-by: Takashi Iwai --- diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 440c35546e57..53937dede9fa 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -297,9 +297,9 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 }; #define ULI_NUM_CAPTURE 5 #define ULI_NUM_PLAYBACK 6 -/* ATI HDMI has 1 playback and 0 capture */ +/* ATI HDMI may have up to 8 playbacks and 0 capture */ #define ATIHDMI_NUM_CAPTURE 0 -#define ATIHDMI_NUM_PLAYBACK 1 +#define ATIHDMI_NUM_PLAYBACK 8 /* TERA has 4 playback and 3 capture */ #define TERA_NUM_CAPTURE 3