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ASoC: SOF: Intel: add comment on JasperLake support
author
Pierre-Louis Bossart
<pierre-louis.bossart@linux.intel.com>
Tue, 7 Dec 2021 19:39:47 +0000
(13:39 -0600)
committer
Mark Brown
<broonie@kernel.org>
Mon, 13 Dec 2021 19:32:54 +0000
(19:32 +0000)
Explain why JasperLake is exposed in cnl.c instead of icl.c
No functionality change.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link:
https://lore.kernel.org/r/20211207193947.71080-8-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/sof/intel/cnl.c
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diff --git
a/sound/soc/sof/intel/cnl.c
b/sound/soc/sof/intel/cnl.c
index
04daaa6
..
3da158d
100644
(file)
--- a/
sound/soc/sof/intel/cnl.c
+++ b/
sound/soc/sof/intel/cnl.c
@@
-358,6
+358,13
@@
const struct sof_intel_dsp_desc cnl_chip_info = {
};
EXPORT_SYMBOL_NS(cnl_chip_info, SND_SOC_SOF_INTEL_HDA_COMMON);
+/*
+ * JasperLake is technically derived from IceLake, and should be in
+ * described in icl.c. However since JasperLake was designed with
+ * two cores, it cannot support the IceLake-specific power-up sequences
+ * which rely on core3. To simplify, JasperLake uses the CannonLake ops and
+ * is described in cnl.c
+ */
const struct sof_intel_dsp_desc jsl_chip_info = {
/* Jasperlake */
.cores_num = 2,