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Message-ID: <1615829492-8972-2-git-send-email-spujar@nvidia.com>
Date: Mon, 15 Mar 2021 23:01:31 +0530
From: Sameer Pujar <spujar@...dia.com>
To: <broonie@...nel.org>, <lgirdwood@...il.com>
CC: <oder_chiou@...ltek.com>, <michael@...le.cc>,
<jonathanh@...dia.com>, <kuninori.morimoto.gx@...esas.com>,
<alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
<linux-tegra@...r.kernel.org>, <thierry.reding@...il.com>,
<sharadg@...dia.com>, Sameer Pujar <spujar@...dia.com>
Subject: [PATCH 1/2] ASoC: simple-card-utils: Do not handle device clock
This reverts commit 1e30f642cf29 ("ASoC: simple-card-utils: Fix device
module clock"). The original patch ended up breaking following platform,
which depends on set_sysclk() to configure internal PLL on wm8904 codec
and expects simple-card-utils to not update the MCLK rate.
- "arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts"
It would be best if codec takes care of setting MCLK clock via DAI
set_sysclk() callback.
Reported-by: Michael Walle <michael@...le.cc>
Suggested-by: Mark Brown <broonie@...nel.org>
Suggested-by: Michael Walle <michael@...le.cc>
Fixes: 1e30f642cf29 ("ASoC: simple-card-utils: Fix device module clock")
Signed-off-by: Sameer Pujar <spujar@...dia.com>
---
sound/soc/generic/simple-card-utils.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index ab31045..6cada4c 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -172,15 +172,16 @@ int asoc_simple_parse_clk(struct device *dev,
* or device's module clock.
*/
clk = devm_get_clk_from_child(dev, node, NULL);
- if (IS_ERR(clk))
- clk = devm_get_clk_from_child(dev, dlc->of_node, NULL);
-
if (!IS_ERR(clk)) {
- simple_dai->clk = clk;
simple_dai->sysclk = clk_get_rate(clk);
- } else if (!of_property_read_u32(node, "system-clock-frequency",
- &val)) {
+
+ simple_dai->clk = clk;
+ } else if (!of_property_read_u32(node, "system-clock-frequency", &val)) {
simple_dai->sysclk = val;
+ } else {
+ clk = devm_get_clk_from_child(dev, dlc->of_node, NULL);
+ if (!IS_ERR(clk))
+ simple_dai->sysclk = clk_get_rate(clk);
}
if (of_property_read_bool(node, "system-clock-direction-out"))
--
2.7.4
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