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Subject[PATCH 1/5] ASoC: mediatek: make agent_disable, msb & hd fields optional
Date
Not every SoC have the following registers: agent_disable_reg,
msg_reg, and hd_reg. Make them optional in order to allow more
SoC to use the common DAI FE code.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
---
sound/soc/mediatek/common/mtk-afe-fe-dai.c | 23 +++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/sound/soc/mediatek/common/mtk-afe-fe-dai.c b/sound/soc/mediatek/common/mtk-afe-fe-dai.c
index cf4978be062f..f39f5d8c4244 100644
--- a/sound/soc/mediatek/common/mtk-afe-fe-dai.c
+++ b/sound/soc/mediatek/common/mtk-afe-fe-dai.c
@@ -47,10 +47,13 @@ int mtk_afe_fe_startup(struct snd_pcm_substream *substream,

snd_pcm_hw_constraint_step(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 16);
+
/* enable agent */
- mtk_regmap_update_bits(afe->regmap, memif->data->agent_disable_reg,
- 1 << memif->data->agent_disable_shift,
- 0 << memif->data->agent_disable_shift);
+ if (memif->data->agent_disable_shift >= 0)
+ mtk_regmap_update_bits(afe->regmap,
+ memif->data->agent_disable_reg,
+ 1 << memif->data->agent_disable_shift,
+ 0 << memif->data->agent_disable_shift);

snd_soc_set_runtime_hwparams(substream, mtk_afe_hardware);

@@ -143,9 +146,10 @@ int mtk_afe_fe_hw_params(struct snd_pcm_substream *substream,
memif->phys_buf_addr + memif->buffer_size - 1);

/* set MSB to 33-bit */
- mtk_regmap_update_bits(afe->regmap, memif->data->msb_reg,
- 1 << memif->data->msb_shift,
- msb_at_bit33 << memif->data->msb_shift);
+ if (memif->data->msb_shift >= 0)
+ mtk_regmap_update_bits(afe->regmap, memif->data->msb_reg,
+ 1 << memif->data->msb_shift,
+ msb_at_bit33 << memif->data->msb_shift);

/* set channel */
if (memif->data->mono_shift >= 0) {
@@ -269,9 +273,10 @@ int mtk_afe_fe_prepare(struct snd_pcm_substream *substream,
break;
}

- mtk_regmap_update_bits(afe->regmap, memif->data->hd_reg,
- 1 << memif->data->hd_shift,
- hd_audio << memif->data->hd_shift);
+ if (memif->data->hd_shift >= 0)
+ mtk_regmap_update_bits(afe->regmap, memif->data->hd_reg,
+ 1 << memif->data->hd_shift,
+ hd_audio << memif->data->hd_shift);

return 0;
}
--
2.20.1
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