Unverified Commit 819b9f60 authored by Dharageswari R's avatar Dharageswari R Committed by Mark Brown
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ASoC: topology: Add support for WO and RO TLV byte kcontrols 



This patch adds support for write-only and read-only TLV byte kcontrols
by checking for appropriate get/put IO handlers.

Signed-off-by: default avatarDharageswari R <dharageswari.r@intel.com>
Reviewed-by: default avatarGuennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: default avatarKai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200908092825.1813847-1-kai.vehmanen@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 34ce4100

sound/soc/soc-topology.c

+4 −3
Original line number Diff line number Diff line
@@ -603,10 +603,11 @@ static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr, 
				sbe->get = ext_ops[i].get;

		}



		if (sbe->put && sbe->get)

			return 0;

		else

		if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) && !sbe->get)

			return -EINVAL;

		if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) && !sbe->put)

			return -EINVAL;

		return 0;

	}



	/* try and map vendor specific kcontrol handlers first */

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