This patchset adds sound card support to APQ8016 SBC board aka DB410c. APQ8016 has 4 MI2S( Primary, Secondary, Tertiary, Quaternary) which can be routed to internal wcd codec or external codecs. This routing and various board specifics are controlled by 2 mux registers.
All these patches are tested for HDMI audio via adv7533 bridge and Analog audio on APQ8016-SBC, msm8916-mtp boards.
Changes since v5: - converted if-else to switch case as suggested by Mark. - moved usage of startup() to dai link init() as suggested by Mark. - replaced "external" boolean property with "link-name" property as suggested by Mark.
Changes since v4 (https://lkml.org/lkml/2015/5/22/628) - moved all the dt parsing to single function, spotted by Mark. - removed unnecessary setting of card->dev = NULL spotted by Mark. - renamed the dai links to the correct codec names. - removed the special case for EPROBE_DEFER in probe, spotted by Mark. - Dropped all the Changes since comments as most of the patches in last series are merged to topic/qcom branch.
--srini
Srinivas Kandagatla (2): ASoC: qcom: document apq8016 sbc machine driver bindings ASoC: qcom: add apq8016 sound card support
.../devicetree/bindings/sound/qcom,apq8016-sbc.txt | 60 +++++++ sound/soc/qcom/Kconfig | 9 + sound/soc/qcom/Makefile | 2 + sound/soc/qcom/apq8016_sbc.c | 198 +++++++++++++++++++++ 4 files changed, 269 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,apq8016-sbc.txt create mode 100644 sound/soc/qcom/apq8016_sbc.c