From: Bard Liao <yung-chuan.liao@linux.intel.com> To: alsa-devel@alsa-project.org, vkoul@kernel.org Cc: vinod.koul@linaro.org, linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, gregkh@linuxfoundation.org, srinivas.kandagatla@linaro.org, pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com, bard.liao@intel.com Subject: [PATCH 05/10] soundwire: stream: don't abort bank switch on Command_Ignored/-ENODATA Date: Wed, 14 Jul 2021 11:22:04 +0800 [thread overview] Message-ID: <20210714032209.11284-6-yung-chuan.liao@linux.intel.com> (raw) In-Reply-To: <20210714032209.11284-1-yung-chuan.liao@linux.intel.com> This change is needed for support of mockup devices, which by construction will not provide any answer to a bank switch, but it's also legit for regular cases. If for some reason a device loses sync and cannot handle a bank switch, we should go ahead anyways. The devices can always resync later. The only case where the error flow should be used is when there is a Command_Aborted composite answer from SoundWire devices. Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> --- drivers/soundwire/stream.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index 1a18308f4ef4..d84aaf115c13 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -697,7 +697,7 @@ static int sdw_bank_switch(struct sdw_bus *bus, int m_rt_count) else ret = sdw_transfer(bus, wr_msg); - if (ret < 0) { + if (ret < 0 && ret != -ENODATA) { dev_err(bus->dev, "Slave frame_ctrl reg write failed\n"); goto error; } -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Bard Liao <yung-chuan.liao@linux.intel.com> To: alsa-devel@alsa-project.org, vkoul@kernel.org Cc: vinod.koul@linaro.org, tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, broonie@kernel.org, sanyog.r.kale@intel.com, bard.liao@intel.com Subject: [PATCH 05/10] soundwire: stream: don't abort bank switch on Command_Ignored/-ENODATA Date: Wed, 14 Jul 2021 11:22:04 +0800 [thread overview] Message-ID: <20210714032209.11284-6-yung-chuan.liao@linux.intel.com> (raw) In-Reply-To: <20210714032209.11284-1-yung-chuan.liao@linux.intel.com> This change is needed for support of mockup devices, which by construction will not provide any answer to a bank switch, but it's also legit for regular cases. If for some reason a device loses sync and cannot handle a bank switch, we should go ahead anyways. The devices can always resync later. The only case where the error flow should be used is when there is a Command_Aborted composite answer from SoundWire devices. Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> --- drivers/soundwire/stream.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index 1a18308f4ef4..d84aaf115c13 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -697,7 +697,7 @@ static int sdw_bank_switch(struct sdw_bus *bus, int m_rt_count) else ret = sdw_transfer(bus, wr_msg); - if (ret < 0) { + if (ret < 0 && ret != -ENODATA) { dev_err(bus->dev, "Slave frame_ctrl reg write failed\n"); goto error; } -- 2.17.1
next prev parent reply other threads:[~2021-07-14 3:22 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-14 3:21 [PATCH 00/10] soundwire/ASoC: add mockup codec support Bard Liao 2021-07-14 3:21 ` Bard Liao 2021-07-14 3:22 ` [PATCH 01/10] ASoC: codecs: add SoundWire mockup device support Bard Liao 2021-07-14 3:22 ` Bard Liao 2021-07-14 3:22 ` [PATCH 02/10] ASoC: soc-acpi: cnl: add table for SoundWire mockup devices Bard Liao 2021-07-14 3:22 ` Bard Liao 2021-07-14 3:22 ` [PATCH 03/10] ASoC: soc-acpi: tgl: " Bard Liao 2021-07-14 3:22 ` Bard Liao 2021-07-14 3:22 ` [PATCH 04/10] ASoC: Intel: boards: sof_sdw: add SoundWire mockup codecs for tests Bard Liao 2021-07-14 3:22 ` Bard Liao 2021-07-14 3:22 ` Bard Liao [this message] 2021-07-14 3:22 ` [PATCH 05/10] soundwire: stream: don't abort bank switch on Command_Ignored/-ENODATA Bard Liao 2021-07-14 3:22 ` [PATCH 06/10] soundwire: add flag to ignore all command/control for mockup devices Bard Liao 2021-07-14 3:22 ` Bard Liao 2021-07-14 3:22 ` [PATCH 07/10] soundwire: bus: squelch error returned by " Bard Liao 2021-07-14 3:22 ` Bard Liao 2021-07-14 3:22 ` [PATCH 08/10] soundwire: stream: don't program mockup device ports Bard Liao 2021-07-14 3:22 ` Bard Liao 2021-07-14 3:22 ` [PATCH 09/10] soundwire: cadence: add debugfs interface for PDI loopbacks Bard Liao 2021-07-14 3:22 ` Bard Liao 2021-07-14 3:22 ` [PATCH 10/10] soundwire: cadence: override PDI configurations to create loopback Bard Liao 2021-07-14 3:22 ` Bard Liao 2021-07-14 19:33 ` [PATCH 00/10] soundwire/ASoC: add mockup codec support Mark Brown 2021-07-14 19:33 ` Mark Brown 2021-08-02 5:38 ` Vinod Koul 2021-08-02 5:38 ` Vinod Koul 2021-07-14 19:35 ` (subset) " Mark Brown 2021-07-14 19:35 ` Mark Brown 2021-07-29 7:07 ` Liao, Bard 2021-07-29 7:07 ` Liao, Bard 2021-08-02 5:39 ` Vinod Koul 2021-08-02 5:39 ` Vinod Koul
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