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ASoC: Intel: bytcht_es8316: fix HID handling 

Same problem as with previous machine drivers, the codec dai
uses a hard-coded name of "i2c-ESSX8316:00" but ACPI provides
"i2c-ESSX8316:01" in some systems.

Fix by overriding the hard-coded value with the codec name derived
from the HID information

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=189261
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2018-01-11 13:52:08 -06:00 committed by Mark Brown
parent 2ebec60bc9
commit 3c22a73fb8
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 26 additions and 1 deletions
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1
sound/soc/intel/boards/Kconfig
View File

@ -139,6 +139,7 @@ config SND_SOC_INTEL_BYT_CHT_DA7213_MACH
config SND_SOC_INTEL_BYT_CHT_ES8316_MACH
tristate "Baytrail & Cherrytrail with ES8316 codec"
depends on X86_INTEL_LPSS && I2C && ACPI
select SND_SOC_ACPI
select SND_SOC_ES8316
help
This adds support for ASoC machine driver for Intel(R) Baytrail &

26
sound/soc/intel/boards/bytcht_es8316.c
View File

@ -232,15 +232,39 @@ static struct snd_soc_card byt_cht_es8316_card = {
.fully_routed = true,
};
static char codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
{
int ret = 0;
struct byt_cht_es8316_private *priv;
struct snd_soc_acpi_mach *mach;
const char *i2c_name = NULL;
int dai_index = 0;
int i;
int ret = 0;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC);
if (!priv)
return -ENOMEM;
mach = (&pdev->dev)->platform_data;
/* fix index of codec dai */
for (i = 0; i < ARRAY_SIZE(byt_cht_es8316_dais); i++) {
if (!strcmp(byt_cht_es8316_dais[i].codec_name,
"i2c-ESSX8316:00")) {
dai_index = i;
break;
}
}
/* fixup codec name based on HID */
i2c_name = snd_soc_acpi_find_name_from_hid(mach->id);
if (i2c_name) {
snprintf(codec_name, sizeof(codec_name),
"%s%s", "i2c-", i2c_name);
byt_cht_es8316_dais[dai_index].codec_name = codec_name;
}
/* register the soc card */
byt_cht_es8316_card.dev = &pdev->dev;
snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv);