From: Akshu Agrawal <akshu.agrawal@xxxxxxx>
DA7219's VDDIO for our platform need to be configured for 1.8V.
Hence we register a fixed 1.8V voltage regulator in the machine driver.
Change-Id: I65fd93e1dd37c3e0d38265b4b1492ea53b93afd4
Signed-off-by: Akshu Agrawal <akshu.agrawal@xxxxxxx>
Signed-off-by: Daniel Kurtz <djkurtz@xxxxxxxxxxxx>
---
sound/soc/amd/Kconfig | 1 +
sound/soc/amd/acp-da7219-max98357a.c | 14 ++++++++++++++
2 files changed, 15 insertions(+)
diff --git a/sound/soc/amd/Kconfig b/sound/soc/amd/Kconfig
index 6cbf9cf4d1a4c2..58c1dcb4d2550f 100644
--- a/sound/soc/amd/Kconfig
+++ b/sound/soc/amd/Kconfig
@@ -8,6 +8,7 @@ config SND_SOC_AMD_CZ_DA7219MX98357_MACH
select SND_SOC_DA7219
select SND_SOC_MAX98357A
select SND_SOC_ADAU7002
+ select REGULATOR
depends on SND_SOC_AMD_ACP && I2C
help
This option enables machine driver for DA7219 and MAX9835.
diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c
index ccddc6650b9c79..6ea0f42f5b7692 100644
--- a/sound/soc/amd/acp-da7219-max98357a.c
+++ b/sound/soc/amd/acp-da7219-max98357a.c
@@ -32,6 +32,8 @@
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/module.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/acpi.h>
@@ -278,11 +280,23 @@ static struct snd_soc_card cz_card = {
.num_controls = ARRAY_SIZE(cz_mc_controls),
};
+static struct regulator_consumer_supply acp_da7219_supplies[] = {
+ REGULATOR_SUPPLY("VDDIO", "i2c-DLGS7219:00")
+};
+
static int cz_probe(struct platform_device *pdev)
{
int ret;
struct snd_soc_card *card;
struct acp_platform_info *machine;
+ struct platform_device *reg;
+
+ reg = regulator_register_always_on(0, "fixed-1.8V",
+ acp_da7219_supplies,
+ ARRAY_SIZE(acp_da7219_supplies),
+ 1800000);
+ if (!reg)
+ return -ENOMEM;
machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info),
GFP_KERNEL);
--
2.18.0.203.gfac676dfb9-goog
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