diff options
| author |   Sugar Zhang <sugar.zhang@rock-chips.com> | 2021-08-26 12:03:12 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2021-08-26 13:59:40 +0100 |
| commit | 917f07719b133093680ed57dd7b5bc30b6a5b45d (patch) | |
| tree | 2135809e4168b248db681f87ce47ab540a50f2a8 /sound | |
| parent | ASoC: dt-bindings: rockchip: Add compatible strings for more SoCs (diff) | |
| download | linux-dev-917f07719b133093680ed57dd7b5bc30b6a5b45d.tar.xz linux-dev-917f07719b133093680ed57dd7b5bc30b6a5b45d.zip | |
ASoC: rockchip: i2s: Add support for frame inversion
This patch adds support for frame inversion.
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Link: https://lore.kernel.org/r/1629950594-14345-2-git-send-email-sugar.zhang@rock-chips.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/rockchip/rockchip_i2s.c | 20 | ||||
| -rw-r--r-- | sound/soc/rockchip/rockchip_i2s.h | 10 |
2 files changed, 23 insertions, 7 deletions
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 7ee580642864..53e0b4a1c7d2 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -211,13 +211,27 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai, regmap_update_bits(i2s->regmap, I2S_CKR, mask, val); - mask = I2S_CKR_CKP_MASK; + mask = I2S_CKR_CKP_MASK | I2S_CKR_TLP_MASK | I2S_CKR_RLP_MASK; switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: - val = I2S_CKR_CKP_NEG; + val = I2S_CKR_CKP_NORMAL | + I2S_CKR_TLP_NORMAL | + I2S_CKR_RLP_NORMAL; + break; + case SND_SOC_DAIFMT_NB_IF: + val = I2S_CKR_CKP_NORMAL | + I2S_CKR_TLP_INVERTED | + I2S_CKR_RLP_INVERTED; break; case SND_SOC_DAIFMT_IB_NF: - val = I2S_CKR_CKP_POS; + val = I2S_CKR_CKP_INVERTED | + I2S_CKR_TLP_NORMAL | + I2S_CKR_RLP_NORMAL; + break; + case SND_SOC_DAIFMT_IB_IF: + val = I2S_CKR_CKP_INVERTED | + I2S_CKR_TLP_INVERTED | + I2S_CKR_RLP_INVERTED; break; default: ret = -EINVAL; diff --git a/sound/soc/rockchip/rockchip_i2s.h b/sound/soc/rockchip/rockchip_i2s.h index fcaae24e40af..251851bf4f2c 100644 --- a/sound/soc/rockchip/rockchip_i2s.h +++ b/sound/soc/rockchip/rockchip_i2s.h @@ -88,15 +88,17 @@ #define I2S_CKR_MSS_SLAVE (1 << I2S_CKR_MSS_SHIFT) #define I2S_CKR_MSS_MASK (1 << I2S_CKR_MSS_SHIFT) #define I2S_CKR_CKP_SHIFT 26 -#define I2S_CKR_CKP_NEG (0 << I2S_CKR_CKP_SHIFT) -#define I2S_CKR_CKP_POS (1 << I2S_CKR_CKP_SHIFT) +#define I2S_CKR_CKP_NORMAL (0 << I2S_CKR_CKP_SHIFT) +#define I2S_CKR_CKP_INVERTED (1 << I2S_CKR_CKP_SHIFT) #define I2S_CKR_CKP_MASK (1 << I2S_CKR_CKP_SHIFT) #define I2S_CKR_RLP_SHIFT 25 #define I2S_CKR_RLP_NORMAL (0 << I2S_CKR_RLP_SHIFT) -#define I2S_CKR_RLP_OPPSITE (1 << I2S_CKR_RLP_SHIFT) +#define I2S_CKR_RLP_INVERTED (1 << I2S_CKR_RLP_SHIFT) +#define I2S_CKR_RLP_MASK (1 << I2S_CKR_RLP_SHIFT) #define I2S_CKR_TLP_SHIFT 24 #define I2S_CKR_TLP_NORMAL (0 << I2S_CKR_TLP_SHIFT) -#define I2S_CKR_TLP_OPPSITE (1 << I2S_CKR_TLP_SHIFT) +#define I2S_CKR_TLP_INVERTED (1 << I2S_CKR_TLP_SHIFT) +#define I2S_CKR_TLP_MASK (1 << I2S_CKR_TLP_SHIFT) #define I2S_CKR_MDIV_SHIFT 16 #define I2S_CKR_MDIV(x) ((x - 1) << I2S_CKR_MDIV_SHIFT) #define I2S_CKR_MDIV_MASK (0xff << I2S_CKR_MDIV_SHIFT) |