From: Pan Xiuli xiuli.pan@linux.intel.com
Return error value if it is called.
Signed-off-by: Pan Xiuli xiuli.pan@linux.intel.com --- Work with patch set: SOF-Kernel(6): ASoC: SOF: Add debug_mode flag in sof dev ASoC: SOF: debug: add debugmode debugfs for sof_dev debug_mode ASoC: SOF: uapi: topology: Add SOF_TKN_DAI_SSP_LBM for ssp loopback mode ASoC: SOF: add headers for lbm control callback functions ASoC: SOF: add lbm kcontrol callback functions ASoC: SOF: topology: Add topology handler for dai ssp loopback mode
SOF(5): dai: add lbm status for dai ssp dai: add get_loopback_mode function DMIC: add empty get_loopback_mode function SSP: support for get/set_loopback_mode functions dai: add dai_cmd support for loopback mode switch
SOF-Tools(3): topology: Add SOF_TKN_DAI_SSP_LBM for ssp loopback mode topology: m4: Add DAI_OUT_SSP_LOOPBACK marco for SSP LOOPBACK dai comp topology: test: Add loopback topology
test & santity test with: Mininow max rt5651 and UP2 Hifiberry PRO and CNL nocodec SOF master: 48d2a1c551d7b3c8f76d44f3c04dd59a37ff6a8f SOF-Tool master: bd7dc88231f31d385340310cef467f211a739eeb https://github.com/plbossart/sound/tree/topic/sof-v4.14: 0d51a5ed28c5e97f09b59c4cafaddfb9d3b24b77 --- src/drivers/dmic.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/src/drivers/dmic.c b/src/drivers/dmic.c index 97ca8b2..14dc0f5 100644 --- a/src/drivers/dmic.c +++ b/src/drivers/dmic.c @@ -1353,6 +1353,11 @@ static inline int dmic_set_loopback_mode(struct dai *dai, uint32_t lbm) return -EINVAL; }
+static inline int dmic_get_loopback_mode(struct dai *dai) +{ + return -EINVAL; +} + const struct dai_ops dmic_ops = { .trigger = dmic_trigger, .set_config = dmic_set_config, @@ -1360,6 +1365,7 @@ const struct dai_ops dmic_ops = { .pm_context_restore = dmic_context_restore, .probe = dmic_probe, .set_loopback_mode = dmic_set_loopback_mode, + .get_loopback_mode = dmic_get_loopback_mode, };
#endif