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From f844ea32cba0c4030594a0f590725477a5751f32 Mon Sep 17 00:00:00 2001
From: Annaliese McDermond <nh6z@nh6z.net>
Date: Thu, 21 Mar 2019 17:58:49 -0700
Subject: [PATCH] ASoC: tlv320aic32x4: Control clock gating with CCF
commit d25970b5fd51e9fcf0afbe190908ea4049454da4 upstream.
Control the clock gating to the various clock components to use
the CCF. This allows us to prepare_enalbe only 3 clocks and the
relationships assigned to them will cause upstream clockss to
enable automatically. Additionally we can do this in a single
call to the CCF.
Signed-off-by: Annaliese McDermond <nh6z@nh6z.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/tlv320aic32x4.c | 67 +++++++-------------------------
1 file changed, 13 insertions(+), 54 deletions(-)
--- a/sound/soc/codecs/tlv320aic32x4.c
+++ b/sound/soc/codecs/tlv320aic32x4.c
@@ -836,41 +836,25 @@ static int aic32x4_mute(struct snd_soc_d
static int aic32x4_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
- struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
int ret;
+ struct clk_bulk_data clocks[] = {
+ { .id = "madc" },
+ { .id = "mdac" },
+ { .id = "bdiv" },
+ };
+
+ ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
+ if (ret)
+ return ret;
+
switch (level) {
case SND_SOC_BIAS_ON:
- /* Switch on master clock */
- ret = clk_prepare_enable(aic32x4->mclk);
+ ret = clk_bulk_prepare_enable(ARRAY_SIZE(clocks), clocks);
if (ret) {
- dev_err(component->dev, "Failed to enable master clock\n");
+ dev_err(component->dev, "Failed to enable clocks\n");
return ret;
}
-
- /* Switch on PLL */
- snd_soc_component_update_bits(component, AIC32X4_PLLPR,
- AIC32X4_PLLEN, AIC32X4_PLLEN);
-
- /* Switch on NDAC Divider */
- snd_soc_component_update_bits(component, AIC32X4_NDAC,
- AIC32X4_NDACEN, AIC32X4_NDACEN);
-
- /* Switch on MDAC Divider */
- snd_soc_component_update_bits(component, AIC32X4_MDAC,
- AIC32X4_MDACEN, AIC32X4_MDACEN);
-
- /* Switch on NADC Divider */
- snd_soc_component_update_bits(component, AIC32X4_NADC,
- AIC32X4_NADCEN, AIC32X4_NADCEN);
-
- /* Switch on MADC Divider */
- snd_soc_component_update_bits(component, AIC32X4_MADC,
- AIC32X4_MADCEN, AIC32X4_MADCEN);
-
- /* Switch on BCLK_N Divider */
- snd_soc_component_update_bits(component, AIC32X4_BCLKN,
- AIC32X4_BCLKEN, AIC32X4_BCLKEN);
break;
case SND_SOC_BIAS_PREPARE:
break;
@@ -879,32 +863,7 @@ static int aic32x4_set_bias_level(struct
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
break;
- /* Switch off BCLK_N Divider */
- snd_soc_component_update_bits(component, AIC32X4_BCLKN,
- AIC32X4_BCLKEN, 0);
-
- /* Switch off MADC Divider */
- snd_soc_component_update_bits(component, AIC32X4_MADC,
- AIC32X4_MADCEN, 0);
-
- /* Switch off NADC Divider */
- snd_soc_component_update_bits(component, AIC32X4_NADC,
- AIC32X4_NADCEN, 0);
-
- /* Switch off MDAC Divider */
- snd_soc_component_update_bits(component, AIC32X4_MDAC,
- AIC32X4_MDACEN, 0);
-
- /* Switch off NDAC Divider */
- snd_soc_component_update_bits(component, AIC32X4_NDAC,
- AIC32X4_NDACEN, 0);
-
- /* Switch off PLL */
- snd_soc_component_update_bits(component, AIC32X4_PLLPR,
- AIC32X4_PLLEN, 0);
-
- /* Switch off master clock */
- clk_disable_unprepare(aic32x4->mclk);
+ clk_bulk_disable_unprepare(ARRAY_SIZE(clocks), clocks);
break;
case SND_SOC_BIAS_OFF:
break;
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