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Commit 5457a980 authored by Wu Fengguang's avatar Wu Fengguang Committed by Takashi Iwai
Browse files

ALSA: hda: make standalone hdmi_fill_audio_infoframe() 



code refactor: make a standalone function hdmi_fill_audio_infoframe().

Signed-off-by: default avatarWu Fengguang <wfg@linux.intel.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent cd896c33

sound/pci/hda/patch_intelhdmi.c

+16 −9
Original line number Diff line number Diff line
@@ -246,24 +246,31 @@ static void hdmi_clear_dip_buffers(struct hda_codec *codec) 
#endif

}



static void hdmi_fill_audio_infoframe(struct hda_codec *codec,

					struct hdmi_audio_infoframe *ai)

{

	u8 *params = (u8 *)ai;

	int i;



	hdmi_debug_dip_size(codec);

	hdmi_clear_dip_buffers(codec); /* be paranoid */



	hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0);

	for (i = 0; i < sizeof(ai); i++)

		hdmi_write_dip_byte(codec, PIN_NID, params[i]);

}



static void hdmi_setup_audio_infoframe(struct hda_codec *codec,

					struct snd_pcm_substream *substream)

{

	struct hdmi_audio_infoframe audio_infoframe = {

	struct hdmi_audio_infoframe ai = {

		.type		= 0x84,

		.ver		= 0x01,

		.len		= 0x0a,

		.CC02_CT47	= substream->runtime->channels - 1,

	};

	u8 *params = (u8 *)&audio_infoframe;

	int i;



	hdmi_debug_dip_size(codec);

	hdmi_clear_dip_buffers(codec); /* be paranoid */



	hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0);

	for (i = 0; i < sizeof(audio_infoframe); i++)

		hdmi_write_dip_byte(codec, PIN_NID, params[i]);

	hdmi_fill_audio_infoframe(codec, &ai);

}