From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Mark Brown <broonie@kernel.org>,
kernel test robot <lkp@intel.com>,
Sasha Levin <sashal@kernel.org>,
lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com,
srinivas.kandagatla@linaro.org, quic_srivasam@quicinc.com,
quic_potturu@quicinc.com, pierre-louis.bossart@linux.intel.com,
ckeepax@opensource.cirrus.com, yong.wu@mediatek.com,
alsa-devel@alsa-project.org
Subject: [PATCH AUTOSEL 5.15 10/28] ASoC: wcd938x: Fix event generation for some controls
Date: Thu, 14 Jul 2022 00:24:11 -0400 [thread overview]
Message-ID: <20220714042429.281816-10-sashal@kernel.org> (raw)
In-Reply-To: <20220714042429.281816-1-sashal@kernel.org>
From: Mark Brown <broonie@kernel.org>
[ Upstream commit 10e7ff0047921e32b919ecee7be706dd33c107f8 ]
Currently wcd938x_*_put() unconditionally report that the value of the
control changed, resulting in spurious events being generated. Return 0 in
that case instead as we should. There is still an issue in the compander
control which is a bit more complex.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20220603122526.3914942-1-broonie@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/codecs/wcd938x.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c
index 4480c118ed5d..8cdc45e669f2 100644
--- a/sound/soc/codecs/wcd938x.c
+++ b/sound/soc/codecs/wcd938x.c
@@ -2517,6 +2517,9 @@ static int wcd938x_tx_mode_put(struct snd_kcontrol *kcontrol,
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
int path = e->shift_l;
+ if (wcd938x->tx_mode[path] == ucontrol->value.enumerated.item[0])
+ return 0;
+
wcd938x->tx_mode[path] = ucontrol->value.enumerated.item[0];
return 1;
@@ -2539,6 +2542,9 @@ static int wcd938x_rx_hph_mode_put(struct snd_kcontrol *kcontrol,
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
+ if (wcd938x->hph_mode == ucontrol->value.enumerated.item[0])
+ return 0;
+
wcd938x->hph_mode = ucontrol->value.enumerated.item[0];
return 1;
@@ -2630,6 +2636,9 @@ static int wcd938x_ldoh_put(struct snd_kcontrol *kcontrol,
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
+ if (wcd938x->ldoh == ucontrol->value.integer.value[0])
+ return 0;
+
wcd938x->ldoh = ucontrol->value.integer.value[0];
return 1;
@@ -2652,6 +2661,9 @@ static int wcd938x_bcs_put(struct snd_kcontrol *kcontrol,
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
+ if (wcd938x->bcs_dis == ucontrol->value.integer.value[0])
+ return 0;
+
wcd938x->bcs_dis = ucontrol->value.integer.value[0];
return 1;
--
2.35.1
next prev parent reply other threads:[~2022-07-14 4:30 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-14 4:24 [PATCH AUTOSEL 5.15 01/28] ASoC: ops: Fix off by one in range control validation Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 02/28] pinctrl: aspeed: Fix potential NULL dereference in aspeed_pinmux_set_mux() Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 03/28] ASoC: Realtek/Maxim SoundWire codecs: disable pm_runtime on remove Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 04/28] ASoC: rt711-sdca-sdw: fix calibrate mutex initialization Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 05/28] ASoC: Intel: sof_sdw: handle errors on card registration Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 06/28] ASoC: rt711: fix calibrate mutex initialization Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 07/28] ASoC: rt7*-sdw: harden jack_detect_handler Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 08/28] ASoC: codecs: rt700/rt711/rt711-sdca: initialize workqueues in probe Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 09/28] ASoC: SOF: Intel: hda-loader: Clarify the cl_dsp_init() flow Sasha Levin
2022-07-14 4:24 ` Sasha Levin [this message]
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 11/28] ASoC: Intel: bytcr_wm5102: Fix GPIO related probe-ordering problem Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 12/28] ASoC: rockchip: i2s: switch BCLK to GPIO Sasha Levin
2022-07-14 4:29 ` Chen-Yu Tsai
2022-07-17 23:04 ` Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 13/28] ASoC: wm5110: Fix DRE control Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 14/28] ASoC: rt711-sdca: fix kernel NULL pointer dereference when IO error Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 15/28] ASoC: dapm: Initialise kcontrol data for mux/demux controls Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 16/28] ASoC: cs47l15: Fix event generation for low power mux control Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 17/28] ASoC: madera: Fix event generation for OUT1 demux Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 18/28] ASoC: madera: Fix event generation for rate controls Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 19/28] irqchip: or1k-pic: Undefine mask_ack for level triggered hardware Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 20/28] x86: Clear .brk area at early boot Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 21/28] soc: ixp4xx/npe: Fix unused match warning Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 22/28] ARM: dts: stm32: use the correct clock source for CEC on stm32mp151 Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 23/28] Revert "can: xilinx_can: Limit CANFD brp to 2" Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 24/28] ALSA: usb-audio: Add quirks for MacroSilicon MS2100/MS2106 devices Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 25/28] ALSA: usb-audio: Add quirk for Fiero SC-01 Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 26/28] ALSA: usb-audio: Add quirk for Fiero SC-01 (fw v1.0.0) Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 27/28] nvme-pci: phison e16 has bogus namespace ids Sasha Levin
2022-07-14 4:24 ` [PATCH AUTOSEL 5.15 28/28] signal handling: don't use BUG_ON() for debugging Sasha Levin
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