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Commit 76a9c988 authored by Surendar Karka's avatar Surendar Karka Committed by Gerrit - the friendly Code Review server
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asoc: add mixer control to set clock drift 



Add mixer controls support in routing driver to
adjust the source PLL clock drift.

Change-Id: I211330793f8650902130905f308dc5d4b73e09fa
Signed-off-by: default avatarSurendar Karka <skarka@codeaurora.org>
parent cf3f8e68

asoc/msm-pcm-routing-v2.c

+47 −0
Original line number Diff line number Diff line
@@ -30222,6 +30222,50 @@ static const struct snd_kcontrol_new aptx_dec_license_controls[] = { 
	msm_aptx_dec_license_control_put),

};









static int msm_routing_get_pll_clk_drift(struct snd_kcontrol *kcontrol,









					 struct snd_ctl_elem_value *ucontrol)









{









	return 0;









}

















static int msm_routing_put_pll_clk_drift(struct snd_kcontrol *kcontrol,









					 struct snd_ctl_elem_value *ucontrol)









{









	u16 port_id = 0;









	int32_t clk_drift = 0;









	uint32_t clk_reset = 0;









	int be_idx, ret = -EINVAL;

















	be_idx = ucontrol->value.integer.value[0];









	clk_drift = ucontrol->value.integer.value[1];









	clk_reset = ucontrol->value.integer.value[2];

















	if (be_idx < 0 && be_idx >= MSM_BACKEND_DAI_MAX) {









		pr_err("%s: Invalid be id %d\n", __func__, be_idx);









		return -EINVAL;









	}

















	if (!msm_bedais[be_idx].active && !clk_reset) {









		pr_err("%s:BE is not active %d, cannot set clock drift\n",









			__func__, be_idx);









		return -EINVAL;









	}

















	port_id = msm_bedais[be_idx].port_id;









	pr_debug("%s: clk drift %d be idx %d clk reset %d port id 0x%x\n",









		  __func__, clk_drift, be_idx, clk_reset, port_id);









	ret = afe_set_pll_clk_drift(port_id, clk_drift, clk_reset);









	if (ret < 0)









		pr_err("%s: failed to set pll clk drift\n", __func__);

















	return ret;









}

















static const struct snd_kcontrol_new pll_clk_drift_controls[] = {









	SOC_SINGLE_MULTI_EXT("PLL config data", SND_SOC_NOPM, 0, 0xFFFFFFFF,









	0, 128, msm_routing_get_pll_clk_drift, msm_routing_put_pll_clk_drift),









};

















static int msm_routing_put_port_chmap_mixer(struct snd_kcontrol *kcontrol,









					    struct snd_ctl_elem_value *ucontrol)









{








@@ -30522,6 +30566,9 @@ static int msm_routing_probe(struct snd_soc_component *component)







			port_multi_channel_map_mixer_controls,









			ARRAY_SIZE(port_multi_channel_map_mixer_controls));

















	snd_soc_add_component_controls(component, pll_clk_drift_controls,









				      ARRAY_SIZE(pll_clk_drift_controls));

















	return 0;









}