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ASoC: SOF: acpi led support for switch controls

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Currently sof doesn't support acpi leds with mute switches. So implement
acpi leds following quite shamelessly existing HDA implementation by
Takashi Iwai.

Mute leds can be enabled in topology by adding led and direction token
in switch control private data.

Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191008164443.1358-10-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jaska Uimonen
2019-10-08 11:44:43 -05:00
committed by Mark Brown
parent b4be427683
commit 5d43001ae4
4 changed files with 58 additions and 0 deletions
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4
include/uapi/sound/sof/tokens.h
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@@ -113,4 +113,8 @@
/* ESAI */
#define SOF_TKN_IMX_ESAI_MCLK_ID 1100
/* Led control for mute switches */
#define SOF_TKN_MUTE_LED_USE 1300
#define SOF_TKN_MUTE_LED_DIRECTION 1301
#endif