From: Axel Castaneda Gonzalez x0055901@ti.com
Enable ramp down/up step to be configured based on platform.
Signed-off-by: Axel Castaneda Gonzalez x0055901@ti.com Signed-off-by: Misael Lopez Cruz misael.lopez@ti.com Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com --- include/linux/i2c/twl.h | 4 ++ sound/soc/codecs/twl6040.c | 91 ++++++++++++++++++++++++++++++++++---------- 2 files changed, 75 insertions(+), 20 deletions(-)
diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h index 685fd76..114c0f6 100644 --- a/include/linux/i2c/twl.h +++ b/include/linux/i2c/twl.h @@ -664,6 +664,10 @@ struct twl4030_codec_data { unsigned int check_defaults:1; unsigned int reset_registers:1; unsigned int hs_extmute:1; + u16 hs_left_step; + u16 hs_right_step; + u16 hf_left_step; + u16 hf_right_step; void (*set_hs_extmute)(int mute); };
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c index 3c0d8da..f31a428 100644 --- a/sound/soc/codecs/twl6040.c +++ b/sound/soc/codecs/twl6040.c @@ -83,6 +83,10 @@ struct twl6040_data { int headset_mode; unsigned int clk_in; unsigned int sysclk; + u16 hs_left_step; + u16 hs_right_step; + u16 hf_left_step; + u16 hf_right_step; struct snd_pcm_hw_constraint_list *sysclk_constraints; struct twl6040_jack_data hs_jack; struct snd_soc_codec *codec; @@ -339,7 +343,11 @@ static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec, if (headset->ramp == TWL6040_RAMP_UP) { /* ramp step up */ if (val < headset->left_vol) { - val += left_step; + if (val + left_step > headset->left_vol) + val = headset->left_vol; + else + val += left_step; + reg &= ~TWL6040_HSL_VOL_MASK; twl6040_write(codec, TWL6040_REG_HSGAIN, (reg | (~val & TWL6040_HSL_VOL_MASK))); @@ -349,7 +357,11 @@ static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec, } else if (headset->ramp == TWL6040_RAMP_DOWN) { /* ramp step down */ if (val > 0x0) { - val -= left_step; + if ((int)val - (int)left_step < 0) + val = 0; + else + val -= left_step; + reg &= ~TWL6040_HSL_VOL_MASK; twl6040_write(codec, TWL6040_REG_HSGAIN, reg | (~val & TWL6040_HSL_VOL_MASK)); @@ -366,7 +378,11 @@ static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec, if (headset->ramp == TWL6040_RAMP_UP) { /* ramp step up */ if (val < headset->right_vol) { - val += right_step; + if (val + right_step > headset->right_vol) + val = headset->right_vol; + else + val += right_step; + reg &= ~TWL6040_HSR_VOL_MASK; twl6040_write(codec, TWL6040_REG_HSGAIN, (reg | (~val << TWL6040_HSR_VOL_SHIFT))); @@ -376,7 +392,11 @@ static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec, } else if (headset->ramp == TWL6040_RAMP_DOWN) { /* ramp step down */ if (val > 0x0) { - val -= right_step; + if ((int)val - (int)right_step < 0) + val = 0; + else + val -= right_step; + reg &= ~TWL6040_HSR_VOL_MASK; twl6040_write(codec, TWL6040_REG_HSGAIN, reg | (~val << TWL6040_HSR_VOL_SHIFT)); @@ -407,7 +427,11 @@ static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec, if (handsfree->ramp == TWL6040_RAMP_UP) { /* ramp step up */ if (val < handsfree->left_vol) { - val += left_step; + if (val + left_step > handsfree->left_vol) + val = handsfree->left_vol; + else + val += left_step; + reg &= ~TWL6040_HF_VOL_MASK; twl6040_write(codec, TWL6040_REG_HFLGAIN, reg | (0x1D - val)); @@ -417,7 +441,11 @@ static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec, } else if (handsfree->ramp == TWL6040_RAMP_DOWN) { /* ramp step down */ if (val > 0) { - val -= left_step; + if ((int)val - (int)left_step < 0) + val = 0; + else + val -= left_step; + reg &= ~TWL6040_HF_VOL_MASK; twl6040_write(codec, TWL6040_REG_HFLGAIN, reg | (0x1D - val)); @@ -434,7 +462,11 @@ static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec, if (handsfree->ramp == TWL6040_RAMP_UP) { /* ramp step up */ if (val < handsfree->right_vol) { - val += right_step; + if (val + right_step > handsfree->right_vol) + val = handsfree->right_vol; + else + val += right_step; + reg &= ~TWL6040_HF_VOL_MASK; twl6040_write(codec, TWL6040_REG_HFRGAIN, reg | (0x1D - val)); @@ -444,7 +476,11 @@ static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec, } else if (handsfree->ramp == TWL6040_RAMP_DOWN) { /* ramp step down */ if (val > 0) { - val -= right_step; + if ((int)val - (int)right_step < 0) + val = 0; + else + val -= right_step; + reg &= ~TWL6040_HF_VOL_MASK; twl6040_write(codec, TWL6040_REG_HFRGAIN, reg | (0x1D - val)); @@ -473,11 +509,9 @@ static void twl6040_pga_hs_work(struct work_struct *work)
/* HS PGA volumes have 4 bits of resolution to ramp */ for (i = 0; i <= 16; i++) { - headset_complete = 1; - if (headset->ramp != TWL6040_RAMP_NONE) - headset_complete = twl6040_hs_ramp_step(codec, - headset->left_step, - headset->right_step); + headset_complete = twl6040_hs_ramp_step(codec, + headset->left_step, + headset->right_step);
/* ramp finished ? */ if (headset_complete) @@ -518,11 +552,9 @@ static void twl6040_pga_hf_work(struct work_struct *work)
/* HF PGA volumes have 5 bits of resolution to ramp */ for (i = 0; i <= 32; i++) { - handsfree_complete = 1; - if (handsfree->ramp != TWL6040_RAMP_NONE) - handsfree_complete = twl6040_hf_ramp_step(codec, - handsfree->left_step, - handsfree->right_step); + handsfree_complete = twl6040_hf_ramp_step(codec, + handsfree->left_step, + handsfree->right_step);
/* ramp finished ? */ if (handsfree_complete) @@ -563,12 +595,16 @@ static int pga_event(struct snd_soc_dapm_widget *w, out = &priv->headset; work = &priv->hs_delayed_work; queue = priv->hs_workqueue; + out->left_step = priv->hs_left_step; + out->right_step = priv->hs_right_step; out->step_delay = 5; /* 5 ms between volume ramp steps */ break; case 4: out = &priv->handsfree; work = &priv->hf_delayed_work; queue = priv->hf_workqueue; + out->left_step = priv->hf_left_step; + out->right_step = priv->hf_right_step; out->step_delay = 5; /* 5 ms between volume ramp steps */ if (SND_SOC_DAPM_EVENT_ON(event)) priv->non_lp++; @@ -601,8 +637,6 @@ static int pga_event(struct snd_soc_dapm_widget *w,
if (!delayed_work_pending(work)) { /* use volume ramp for power-down */ - out->left_step = 1; - out->right_step = 1; out->ramp = TWL6040_RAMP_DOWN; INIT_COMPLETION(out->ramp_done);
@@ -1495,6 +1529,7 @@ static int twl6040_resume(struct snd_soc_codec *codec) static int twl6040_probe(struct snd_soc_codec *codec) { struct twl6040_data *priv; + struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev); int ret = 0;
priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL); @@ -1505,6 +1540,22 @@ static int twl6040_probe(struct snd_soc_codec *codec) priv->codec = codec; codec->control_data = dev_get_drvdata(codec->dev->parent);
+ if (pdata && pdata->hs_left_step && pdata->hs_right_step) { + priv->hs_left_step = pdata->hs_left_step; + priv->hs_right_step = pdata->hs_right_step; + } else { + priv->hs_left_step = 1; + priv->hs_right_step = 1; + } + + if (pdata && pdata->hf_left_step && pdata->hf_right_step) { + priv->hf_left_step = pdata->hf_left_step; + priv->hf_right_step = pdata->hf_right_step; + } else { + priv->hf_left_step = 1; + priv->hf_right_step = 1; + } + /* default is high-performance mode */ priv->headset_mode = 1; priv->sysclk_constraints = &hp_constraints;