diff options
| author | Charles Keepax <ckeepax@opensource.cirrus.com> | 2022-01-07 19:06:36 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-01-07 20:14:27 +0300 |
| commit | f517ba4924ad026f2583553db02f3c8bc69de88b (patch) | |
| tree | 35ab35dcf133f0c45c4a7dc962298209b7563675 /sound/soc/codecs/cs35l41-lib.c | |
| parent | d92321bbe46b0ecae0941461379d39599610d869 (diff) | |
| download | linux-f517ba4924ad026f2583553db02f3c8bc69de88b.tar.xz | |
ASoC: cs35l41: Add support for hibernate memory retention mode
The cs35l41 supports a low power DSP memory retention mode. Add support
for entering this mode when then device is not in use.
Co-authored-by: David Rhodes <david.rhodes@cirrus.com>
Signed-off-by: David Rhodes <david.rhodes@cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220107160636.6555-3-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/cs35l41-lib.c')
| -rw-r--r-- | sound/soc/codecs/cs35l41-lib.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l41-lib.c b/sound/soc/codecs/cs35l41-lib.c index ecaf67fd7653..e5a56bcbb223 100644 --- a/sound/soc/codecs/cs35l41-lib.c +++ b/sound/soc/codecs/cs35l41-lib.c @@ -90,6 +90,9 @@ static bool cs35l41_readable_reg(struct device *dev, unsigned int reg) case CS35L41_PROTECT_REL_ERR_IGN: case CS35L41_GPIO_PAD_CONTROL: case CS35L41_JTAG_CONTROL: + case CS35L41_PWRMGT_CTL: + case CS35L41_WAKESRC_CTL: + case CS35L41_PWRMGT_STS: case CS35L41_PLL_CLK_CTRL: case CS35L41_DSP_CLK_CTRL: case CS35L41_GLOBAL_CLK_CTRL: @@ -376,6 +379,9 @@ static bool cs35l41_volatile_reg(struct device *dev, unsigned int reg) case CS35L41_OTPID: case CS35L41_TEST_KEY_CTL: case CS35L41_USER_KEY_CTL: + case CS35L41_PWRMGT_CTL: + case CS35L41_WAKESRC_CTL: + case CS35L41_PWRMGT_STS: case CS35L41_DTEMP_EN: case CS35L41_IRQ1_STATUS: case CS35L41_IRQ1_STATUS1: |