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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        "alsa-devel@alsa-project.org, broonie@kernel.org, tiwai@suse.com,
        pierre-louis.bossart@linux.intel.com, mateusz.gorski@linux.intel.com,
        Cezary Rojewski" <cezary.rojewski@intel.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
        Mark Brown <broonie@kernel.org>,
        Cezary Rojewski <cezary.rojewski@intel.com>
Subject: [PATCH 5.4 92/98] ASoC: Intel: Skylake: Select hda configuration permissively
Date:   Tue,  1 Dec 2020 09:54:09 +0100
Message-Id: <20201201084659.572055858@linuxfoundation.org>
In-Reply-To: <20201201084652.827177826@linuxfoundation.org>
References: <20201201084652.827177826@linuxfoundation.org>
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From: Cezary Rojewski <cezary.rojewski@intel.com>

commit a66f88394a78fec9a05fa6e517e9603e8eca8363 upstream.

With _reset_link removed from the probe sequence, codec_mask at the time
skl_find_hda_machine() is invoked will always be 0, so hda machine will
never be chosen. Rather than reorganizing boot flow, be permissive about
invalid mask. codec_mask will be set to proper value during probe_work -
before skl_codec_create() ever gets called.

Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200305145314.32579-3-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org> # 5.4.x
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 sound/soc/intel/skylake/skl.c |    5 -----
 1 file changed, 5 deletions(-)

--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -480,13 +480,8 @@ static struct skl_ssp_clk skl_ssp_clks[]
 static struct snd_soc_acpi_mach *skl_find_hda_machine(struct skl_dev *skl,
 					struct snd_soc_acpi_mach *machines)
 {
-	struct hdac_bus *bus = skl_to_bus(skl);
 	struct snd_soc_acpi_mach *mach;
 
-	/* check if we have any codecs detected on bus */
-	if (bus->codec_mask == 0)
-		return NULL;
-
 	/* point to common table */
 	mach = snd_soc_acpi_intel_hda_machines;