From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
To: Richard Fitzgerald <rf@opensource.cirrus.com>,
Stefan Binding <sbinding@opensource.cirrus.com>,
Mark Brown <broonie@kernel.org>
Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
patches@opensource.cirrus.com
Subject: Re: [PATCH v2 6/8] ASoC: cs42l42: Add Soundwire support
Date: Thu, 19 Jan 2023 10:27:21 -0600 [thread overview]
Message-ID: <c45d34ba-1aee-16aa-1ccf-79c43c8c4ed4@linux.intel.com> (raw)
In-Reply-To: <32fd1755-0128-8f32-9a88-a92f1647f903@opensource.cirrus.com>
>> You lost me here. Are you saying the soundwire bus clock is only known
>> in the prepare stage?
>>
>
> hw_params() doesn't know the Soundwire bus clock so it can't do the
> check. We need to wait until we have both the sample rate and the
> chosen SWIRE_CLK.
Yes, makes sense. I forgot that all the stream management and bandwidth
allocation takes place in the prepare stage at the dailink level, and
the dai prepare happens after that. Thanks for the clarification.
next prev parent reply other threads:[~2023-01-19 16:27 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-18 16:04 [PATCH v2 0/8] ASoC: cs42l42: Add Soundwire support Stefan Binding
2023-01-18 16:04 ` [PATCH v2 1/8] soundwire: stream: Add specific prep/deprep commands to port_prep callback Stefan Binding
2023-01-18 16:37 ` Pierre-Louis Bossart
2023-01-18 16:04 ` [PATCH v2 2/8] ASoC: cs42l42: Add SOFT_RESET_REBOOT register Stefan Binding
2023-01-18 16:41 ` Pierre-Louis Bossart
2023-01-19 13:33 ` Richard Fitzgerald
2023-01-18 16:04 ` [PATCH v2 3/8] ASoC: cs42l42: Ensure MCLKint is a multiple of the sample rate Stefan Binding
2023-01-18 16:46 ` Pierre-Louis Bossart
2023-01-18 16:04 ` [PATCH v2 4/8] ASoC: cs42l42: Separate ASP config from PLL config Stefan Binding
2023-01-18 16:04 ` [PATCH v2 5/8] ASoC: cs42l42: Export some functions for Soundwire Stefan Binding
2023-01-18 16:04 ` [PATCH v2 6/8] ASoC: cs42l42: Add Soundwire support Stefan Binding
2023-01-18 17:41 ` Pierre-Louis Bossart
2023-01-19 13:58 ` Richard Fitzgerald
2023-01-19 14:48 ` Pierre-Louis Bossart
2023-01-19 15:35 ` Richard Fitzgerald
2023-01-19 16:27 ` Pierre-Louis Bossart [this message]
2023-01-20 12:31 ` Richard Fitzgerald
2023-01-20 19:55 ` Pierre-Louis Bossart
2023-01-23 15:51 ` Richard Fitzgerald
2023-01-23 16:05 ` Pierre-Louis Bossart
2023-01-23 16:14 ` Richard Fitzgerald
2023-01-23 16:25 ` Pierre-Louis Bossart
2023-01-18 16:04 ` [PATCH v2 7/8] ASoC: cs42l42: Don't set idle_bias_on Stefan Binding
2023-01-18 16:04 ` [PATCH v2 8/8] ASoC: cs42l42: Wait for debounce interval after resume Stefan Binding
2023-01-18 17:43 ` [PATCH v2 0/8] ASoC: cs42l42: Add Soundwire support Pierre-Louis Bossart
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