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aa1262ca66
linux/drivers/soundwire
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Srinivas Kandagatla aa1262ca66 soundwire: qcom: Check device status before reading devid 
As per hardware datasheet its recommended that we check the device
status before reading devid assigned by auto-enumeration.

Without this patch we see SoundWire devices with invalid enumeration
addresses on the bus.

Cc: stable@vger.kernel.org
Fixes: a6e6581942 ("soundwire: qcom: add auto enumeration support")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220706095644.5852-1-srinivas.kandagatla@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2022-07-06 22:14:51 +05:30
..
bus_type.c soundwire: revisit driver bind/unbind and callbacks 2022-07-06 12:34:21 +05:30
bus.c soundwire: revisit driver bind/unbind and callbacks 2022-07-06 12:34:21 +05:30
bus.h soundwire: export sdw_update() and sdw_update_no_pm() 2021-06-21 13:00:42 +01:00
cadence_master.c soundwire: cadence: use pm_runtime_resume_and_get() 2022-05-09 12:02:29 +05:30
cadence_master.h soundwire: intel: remove PDM support 2021-12-24 14:06:50 +00:00
debugfs.c soundwire: debugfs: use controller id and link_id for debugfs 2021-10-01 09:53:47 +05:30
dmi-quirks.c ASoC: Intel: sof_sdw: fix quirks for 2022 HP Spectre x360 13" 2022-03-07 13:13:15 +00:00
generic_bandwidth_allocation.c soundwire: bandwidth allocation: improve error messages 2021-05-11 17:34:07 +05:30
intel_init.c soundwire: Replace acpi_bus_get_device() 2022-02-10 19:18:19 +05:30
intel.c soundwire: intel: use pm_runtime_resume() on component probe 2022-07-06 12:34:21 +05:30
intel.h soundwire: intel: skip suspend/resume/wake when link was not started 2021-08-23 17:40:33 +05:30
Kconfig soundwire: intel: move to auxiliary bus 2021-06-14 10:12:26 +05:30
Makefile soundwire: Intel: introduce DMI quirks for HP Spectre x360 Convertible 2021-03-22 17:33:10 +05:30
master.c soundwire: master: use pm_runtime_set_active() on add 2020-12-02 12:49:34 +05:30
mipi_disco.c soundwire: fix port_ready[] dynamic allocation in mipi_disco 2020-09-03 16:02:29 +05:30
qcom.c soundwire: qcom: Check device status before reading devid 2022-07-06 22:14:51 +05:30
slave.c soundwire: revisit driver bind/unbind and callbacks 2022-07-06 12:34:21 +05:30
stream.c soundwire: revisit driver bind/unbind and callbacks 2022-07-06 12:34:21 +05:30
sysfs_local.h soundwire: sysfs: add slave status and device number before probe 2020-09-28 11:17:43 +05:30
sysfs_slave_dpn.c soundwire: Fix DEBUG_LOCKS_WARN_ON for uninitialized attribute 2020-11-24 14:08:51 +05:30
sysfs_slave.c soundwire: sysfs: Constify static struct attribute_group 2021-01-19 20:21:20 +05:30