From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
To: alsa-devel@alsa-project.org
Cc: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>,
Kai Vehmanen <kai.vehmanen@linux.intel.com>,
tiwai@suse.de,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Hans de Goede <hdegoede@redhat.com>,
broonie@kernel.org,
Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
Rander Wang <rander.wang@linux.intel.com>
Subject: [PATCH 04/14] ASoC: soc-acpi: add helper to identify parent driver.
Date: Thu, 12 Nov 2020 16:38:15 -0600 [thread overview]
Message-ID: <20201112223825.39765-5-pierre-louis.bossart@linux.intel.com> (raw)
In-Reply-To: <20201112223825.39765-1-pierre-louis.bossart@linux.intel.com>
Intel machine drivers are used by parent platform drivers based on
closed-source firmware (Atom/SST and catpt) and SOF-based ones.
In some cases for ACPI-based platforms, the behavior of machine
drivers needs to be modified depending on the parent type, typically
for card names and power management.
An initial solution based on passing a boolean flag as a platform
device parameter was tested earlier. Since it looked overkill, this
patch suggests instead a simple string comparison to identify an SOF
parent device/driver.
Suggested-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
---
include/sound/soc-acpi.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/sound/soc-acpi.h b/include/sound/soc-acpi.h
index b16a844d16ef..9a43c44dcbbb 100644
--- a/include/sound/soc-acpi.h
+++ b/include/sound/soc-acpi.h
@@ -171,4 +171,10 @@ struct snd_soc_acpi_codecs {
u8 codecs[SND_SOC_ACPI_MAX_CODECS][ACPI_ID_LEN];
};
+static inline bool snd_soc_acpi_sof_parent(struct device *dev)
+{
+ return dev->parent && dev->parent->driver && dev->parent->driver->name &&
+ !strcmp(dev->parent->driver->name, "sof-audio-acpi");
+}
+
#endif
--
2.25.1
next prev parent reply other threads:[~2020-11-12 22:41 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-12 22:38 [PATCH 00/14] ASoC: Intel/SOF: extend run-time driver selection to ACPI devices Pierre-Louis Bossart
2020-11-12 22:38 ` [PATCH 01/14] ASoC: Intel: broadwell: add missing pm_ops Pierre-Louis Bossart
2020-11-13 11:17 ` Rojewski, Cezary
2020-11-12 22:38 ` [PATCH 02/14] ASoC: Intel: bdw-rt5677: " Pierre-Louis Bossart
2020-11-13 11:19 ` Rojewski, Cezary
2020-11-12 22:38 ` [PATCH 03/14] ALSA: hda: intel-dsp-config: add helper for ACPI DSP driver selection Pierre-Louis Bossart
2020-11-12 22:38 ` Pierre-Louis Bossart [this message]
2020-11-12 22:38 ` [PATCH 05/14] ASoC: Intel: boards: byt/cht: set card and driver name at run time Pierre-Louis Bossart
2021-04-25 18:13 ` youling257
2021-04-26 15:12 ` Pierre-Louis Bossart
2020-11-12 22:38 ` [PATCH 06/14] ASoC: Intel: byt/cht: set pm ops dynamically Pierre-Louis Bossart
2020-11-17 17:18 ` Mark Brown
2020-11-17 17:39 ` Pierre-Louis Bossart
2020-11-18 13:31 ` Mark Brown
2020-11-12 22:38 ` [PATCH 07/14] ASoC: SOF: acpi: add dynamic selection of DSP driver Pierre-Louis Bossart
2020-11-12 22:38 ` [PATCH 08/14] ASoC: Intel: Atom: " Pierre-Louis Bossart
2020-11-12 22:38 ` [PATCH 09/14] ASoC: SOF: Intel: allow for coexistence between SOF and Atom/SST drivers Pierre-Louis Bossart
2020-11-12 22:38 ` [PATCH 10/14] ALSA: hda: intel-dsp-config: add Broadwell ACPI DSP driver selection Pierre-Louis Bossart
2020-11-12 22:38 ` [PATCH 11/14] ASoC: Intel: broadwell: set card and driver name dynamically Pierre-Louis Bossart
2020-11-12 22:38 ` [PATCH 12/14] ASoC: Intel: catpt: add dynamic selection of DSP driver Pierre-Louis Bossart
2020-11-12 22:38 ` [PATCH 13/14] ASoC: SOF: Intel: allow for coexistence between SOF and catpt drivers Pierre-Louis Bossart
2020-11-19 14:06 ` Mark Brown
2020-11-19 17:52 ` Pierre-Louis Bossart
2020-11-19 18:25 ` Mark Brown
2020-11-12 22:38 ` [PATCH 14/14] ALSA: hda: intel-dsp-config: ignore dsp_driver parameter for PCI legacy devices Pierre-Louis Bossart
2020-11-12 23:04 ` [PATCH 00/14] ASoC: Intel/SOF: extend run-time driver selection to ACPI devices Rojewski, Cezary
2020-11-13 13:06 ` Rojewski, Cezary
2020-11-13 14:40 ` Pierre-Louis Bossart
2020-11-13 16:49 ` Mark Brown
2020-11-13 17:06 ` Hans de Goede
2020-11-16 15:39 ` Rojewski, Cezary
2020-11-16 17:47 ` Pierre-Louis Bossart
2020-11-17 14:04 ` Takashi Iwai
2020-11-17 17:31 ` Mark Brown
2020-11-17 17:46 ` Takashi Iwai
2020-11-17 22:13 ` Rojewski, Cezary
2020-11-17 22:53 ` Pierre-Louis Bossart
2020-11-18 20:15 ` Rojewski, Cezary
2020-11-18 20:25 ` Pierre-Louis Bossart
2020-11-20 15:40 ` Rojewski, Cezary
2020-11-20 16:48 ` Mark Brown
2020-11-20 17:10 ` Rojewski, Cezary
2020-11-20 18:06 ` Mark Brown
2020-11-20 21:02 ` Rojewski, Cezary
2020-11-23 17:35 ` Mark Brown
2020-11-24 11:56 ` Rojewski, Cezary
2020-11-24 14:01 ` Mark Brown
2020-11-24 14:15 ` Takashi Iwai
2020-11-24 16:07 ` Rojewski, Cezary
2020-11-24 16:14 ` Mark Brown
2020-11-24 16:14 ` Takashi Iwai
2020-11-24 16:12 ` Mark Brown
2020-11-18 7:49 ` Takashi Iwai
2020-11-18 20:59 ` Rojewski, Cezary
2020-11-20 21:29 ` Mark Brown
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