[alsa-devel] [PATCH] 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 --- sound/soc/codecs/rt5645.c | 41 ++++++++++++++++++++++++++++++----------- 1 file changed, 30 insertions(+), 11 deletions(-)
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index debf16c..af468ae 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -2283,23 +2283,42 @@ 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); - snd_soc_update_bits(codec, RT5645_BASS_BACK, - RT5645_G_BB_BST_MASK, RT5645_G_BB_BST_25DB); + 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: @@ -2308,20 +2327,20 @@ 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; }
participants (2)
-
Bard Liao
-
Mark Brown