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authorRichard Fitzgerald <rf@opensource.cirrus.com>2026-05-19 14:54:33 +0100
committerMark Brown <broonie@kernel.org>2026-05-19 14:59:52 +0100
commita6f7c21accb5fca895ee0d490e395deecaddf12f (patch)
tree23ca7189bb570e8d2fa7bcc6f77e894e248053b3 /sound
parent75a3e43339a2e66605deb8e726bb5d6372b1798a (diff)
downloadlinux-next-history-a6f7c21accb5fca895ee0d490e395deecaddf12f.tar.gz
ASoC: cs35l56-shared-test: Subtract reg_base offset in dummy regmap
Subtract the value of cs35l56 regmap_config->reg_base from addresses passed into the mock regmap bus. Chip register addresses transferred over SoundWire are offset by 0x8000 to move them after the address range reserved in the SoundWire spec. This commit prepares for changing the cs35l56-sdw driver to use regmap_config->reg_base to add this offset. When that is done the addresses passed into the mock regmap_bus will include this offset. Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Link: https://patch.msgid.link/20260519135435.479949-2-rf@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/cs35l56-shared-test.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l56-shared-test.c b/sound/soc/codecs/cs35l56-shared-test.c
index cfe7938065f90..8060a275d32bd 100644
--- a/sound/soc/codecs/cs35l56-shared-test.c
+++ b/sound/soc/codecs/cs35l56-shared-test.c
@@ -29,6 +29,7 @@ struct cs35l56_shared_test_priv {
struct faux_device *gpio_dev;
struct cs35l56_shared_test_mock_gpio *gpio_priv;
struct regmap *registers;
+ unsigned int reg_offset;
struct cs35l56_base *cs35l56_base;
u8 applied_pad_pull_state[CS35L56_MAX_GPIO];
};
@@ -194,6 +195,8 @@ static int cs35l56_shared_test_reg_read(void *context, unsigned int reg, unsigne
{
struct cs35l56_shared_test_priv *priv = context;
+ reg -= priv->reg_offset;
+
switch (reg) {
case CS35L56_SYNC_GPIO1_CFG ... CS35L56_ASP2_DIO_GPIO13_CFG:
case CS35L56_GPIO1_CTRL1 ... CS35L56_GPIO13_CTRL1:
@@ -214,6 +217,8 @@ static int cs35l56_shared_test_reg_write(void *context, unsigned int reg, unsign
{
struct cs35l56_shared_test_priv *priv = context;
+ reg -= priv->reg_offset;
+
switch (reg) {
case CS35L56_UPDATE_REGS:
return cs35l56_shared_test_updt_gpio_pres(priv, reg, val);
@@ -657,6 +662,7 @@ static int cs35l56_shared_test_case_base_init(struct kunit *test, u8 type, u8 re
test->priv = priv;
priv->test = test;
+ priv->reg_offset = regmap_config->reg_base;
/* Create dummy amp driver dev */
priv->amp_dev = faux_device_create("cs35l56_shared_test_drv", NULL, NULL);