aboutsummaryrefslogtreecommitdiffstats
path: root/include/sound/soc-acpi.h
diff options
context:
space:
mode:
authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2018-01-11 13:52:09 -0600
committerMark Brown <broonie@kernel.org>2018-01-12 21:05:41 +0000
commit2be2d57986431626e905ee344086affa44c5bb9b (patch)
tree596f8387eb5df595adff10c7f41333002a5f21ab /include/sound/soc-acpi.h
parentASoC: Intel: bytcht_es8316: fix HID handling (diff)
downloadlinux-dev-2be2d57986431626e905ee344086affa44c5bb9b.tar.xz
linux-dev-2be2d57986431626e905ee344086affa44c5bb9b.zip
ASoC: acpi: remove hard-coded i2c-device name length
Remove hard-codec [16] array size, replace with clearer description and dependency on ACPI_ID_LEN No functionality change Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> 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>
Diffstat (limited to 'include/sound/soc-acpi.h')
-rw-r--r--include/sound/soc-acpi.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/sound/soc-acpi.h b/include/sound/soc-acpi.h
index d1aaf876cd26..83320af8def2 100644
--- a/include/sound/soc-acpi.h
+++ b/include/sound/soc-acpi.h
@@ -27,6 +27,9 @@ struct snd_soc_acpi_package_context {
bool data_valid;
};
+/* codec name is used in DAIs is i2c-<HID>:00 with HID being 8 chars */
+#define SND_ACPI_I2C_ID_LEN (4 + ACPI_ID_LEN + 3 + 1)
+
#if IS_ENABLED(CONFIG_ACPI)
/* translation fron HID to I2C name, needed for DAI codec_name */
const char *snd_soc_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN]);