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ASoC: rt5645: Add TDM support for rt5650 

rt5650 and rt5645 use different register bits for TDM configuration.
This patch modifies rt5645_set_tdm_slot to support both codecs.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao 2015-03-12 20:25:07 +08:00 committed by Mark Brown
parent c517d838eb
commit 42ce5b8ab8
1 changed files with 30 additions and 11 deletions
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37
sound/soc/codecs/rt5645.c
View File

@ -2285,23 +2285,42 @@ static int rt5645_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
unsigned int rx_mask, int slots, int slot_width)
{
struct snd_soc_codec *codec = dai->codec;
unsigned int val = 0;
struct rt5645_priv *rt5645 = snd_soc_codec_get_drvdata(codec);
unsigned int i_slot_sft, o_slot_sft, i_width_sht, o_width_sht, en_sft;
unsigned int mask, val = 0;
switch (rt5645->codec_type) {
case CODEC_TYPE_RT5650:
en_sft = 15;
i_slot_sft = 10;
o_slot_sft = 8;
i_width_sht = 6;
o_width_sht = 4;
mask = 0x8ff0;
break;
default:
en_sft = 14;
i_slot_sft = o_slot_sft = 12;
i_width_sht = o_width_sht = 10;
mask = 0x7c00;
break;
}
if (rx_mask || tx_mask) {
val |= (1 << 14);
val |= (1 << en_sft);
if (rt5645->codec_type == CODEC_TYPE_RT5645)
snd_soc_update_bits(codec, RT5645_BASS_BACK,
RT5645_G_BB_BST_MASK, RT5645_G_BB_BST_25DB);
}
switch (slots) {
case 4:
val |= (1 << 12);
val |= (1 << i_slot_sft) | (1 << o_slot_sft);
break;
case 6:
val |= (2 << 12);
val |= (2 << i_slot_sft) | (2 << o_slot_sft);
break;
case 8:
val |= (3 << 12);
val |= (3 << i_slot_sft) | (3 << o_slot_sft);
break;
case 2:
default:
@ -2310,20 +2329,20 @@ static int rt5645_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
switch (slot_width) {
case 20:
val |= (1 << 10);
val |= (1 << i_width_sht) | (1 << o_width_sht);
break;
case 24:
val |= (2 << 10);
val |= (2 << i_width_sht) | (2 << o_width_sht);
break;
case 32:
val |= (3 << 10);
val |= (3 << i_width_sht) | (3 << o_width_sht);
break;
case 16:
default:
break;
}
snd_soc_update_bits(codec, RT5645_TDM_CTRL_1, 0x7c00, val);
snd_soc_update_bits(codec, RT5645_TDM_CTRL_1, mask, val);
return 0;
}