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Tue, 12 Jan 2021 12:18:25 -0500 X-LoopCount0: from 10.69.132.19 X-PREM-Routing: D-Outbound X-IronPort-AV: E=Sophos; i="5.79,341,1602565200"; d="scan'208"; a="1653628701" From: Perry Yuan To: oder_chiou@realtek.com, perex@perex.cz, tiwai@suse.com, hdegoede@redhat.com, mgross@linux.intel.com Subject: [PATCH v3 3/3] ASoC: rt715:add micmute led state control supports Date: Wed, 13 Jan 2021 01:18:14 +0800 Message-Id: <20210112171814.5404-1-Perry_Yuan@Dell.com> X-Mailer: git-send-email 2.19.2.windows.1 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2021-01-12_12:2021-01-12, 2021-01-12 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxlogscore=999 mlxscore=0 malwarescore=0 bulkscore=0 phishscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 clxscore=1015 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120100 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 mlxlogscore=999 mlxscore=0 adultscore=0 malwarescore=0 spamscore=0 suspectscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120101 Cc: alsa-devel@alsa-project.org, Mario.Limonciello@dell.com, linux-kernel@vger.kernel.org, Perry.Yuan@dell.com, lgirdwood@gmail.com, platform-driver-x86@vger.kernel.org, broonie@kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Perry Yuan Some new Dell system is going to support audio internal micphone privacy setting from hardware level with micmute led state changing When micmute hotkey pressed by user, soft mute will need to be enabled firstly in case of pop noise, and codec driver need to react to mic mute event to EC(embedded controller) notifying that SW mute is completed Then EC will do the hardware mute physically within the timeout reached This patch allow codec rt715 driver to ack EC when micmute key pressed through this micphone led control interface like hda_generic provided ACPI method defined in dell-privacy micmute led trigger will be called for notifying the EC that software mute has been completed Signed-off-by: Perry Yuan -------- v2 -> v3 * simplify the patch to reuse some val value * add more detail to the commit info v1 -> v2: * fix some format issue -------- --- sound/soc/codecs/rt715-sdca.c | 16 ++++++++++++++++ sound/soc/codecs/rt715-sdca.h | 1 + sound/soc/codecs/rt715.c | 14 ++++++++++++++ sound/soc/codecs/rt715.h | 1 + 4 files changed, 32 insertions(+) diff --git a/sound/soc/codecs/rt715-sdca.c b/sound/soc/codecs/rt715-sdca.c index b43ac8559e45..861a0d2a8957 100644 --- a/sound/soc/codecs/rt715-sdca.c +++ b/sound/soc/codecs/rt715-sdca.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -244,6 +245,7 @@ static int rt715_sdca_get_volsw(struct snd_kcontrol *kcontrol, unsigned int max = mc->max; int val; + pr_err("++++++rt715_sdca_get_volsw++\n"); val = snd_soc_component_read(component, mc->reg); if (val < 0) return -EINVAL; @@ -261,6 +263,7 @@ static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; unsigned int val, val2, loop_cnt = 2, i; @@ -268,6 +271,7 @@ static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol, unsigned int reg2 = mc->rreg; unsigned int reg = mc->reg; unsigned int max = mc->max; + unsigned int val0, val1; int err; val = ucontrol->value.integer.value[0]; @@ -287,6 +291,18 @@ static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol, return err; } +#if IS_ENABLED(CONFIG_DELL_PRIVACY) + /* dell privacy LED trigger state changed by muted/unmute switch */ + if (mc->invert) { + if (ucontrol->value.integer.value[0] || ucontrol->value.integer.value[1]) { + rt715->micmute_led = LED_OFF; + } else { + rt715->micmute_led = LED_ON; + } + ledtrig_audio_set(LED_AUDIO_MICMUTE, rt715->micmute_led); + } +#endif + return 0; } diff --git a/sound/soc/codecs/rt715-sdca.h b/sound/soc/codecs/rt715-sdca.h index 840c237895dd..f8988ab88f80 100644 --- a/sound/soc/codecs/rt715-sdca.h +++ b/sound/soc/codecs/rt715-sdca.h @@ -31,6 +31,7 @@ struct rt715_sdca_priv { int l_is_unmute; int r_is_unmute; int hw_sdw_ver; + bool micmute_led; }; struct rt715_sdw_stream_data { diff --git a/sound/soc/codecs/rt715.c b/sound/soc/codecs/rt715.c index cdcba70146da..b4e480744c94 100644 --- a/sound/soc/codecs/rt715.c +++ b/sound/soc/codecs/rt715.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -88,6 +89,7 @@ static int rt715_set_amp_gain_put(struct snd_kcontrol *kcontrol, RT715_SET_GAIN_MIX_ADC2_L}; unsigned int addr_h, addr_l, val_h, val_ll, val_lr; unsigned int read_ll, read_rl, i, j, loop_cnt; + unsigned int val0, val1; if (strstr(ucontrol->id.name, "Main Capture Switch") || strstr(ucontrol->id.name, "Main Capture Volume")) @@ -95,6 +97,18 @@ static int rt715_set_amp_gain_put(struct snd_kcontrol *kcontrol, else loop_cnt = 1; +#if IS_ENABLED(CONFIG_DELL_PRIVACY) + /* Micmute LED state changed by muted/unmute switch */ + if (mc->invert) { + if (ucontrol->value.integer.value[0] || ucontrol->value.integer.value[1]) { + rt715->micmute_led = LED_OFF; + } else { + rt715->micmute_led = LED_ON; + } + ledtrig_audio_set(LED_AUDIO_MICMUTE, rt715->micmute_led); + } +#endif + for (j = 0; j < loop_cnt; j++) { /* Can't use update bit function, so read the original value first */ if (loop_cnt == 1) { diff --git a/sound/soc/codecs/rt715.h b/sound/soc/codecs/rt715.h index 009a8266f606..57c9af041181 100644 --- a/sound/soc/codecs/rt715.h +++ b/sound/soc/codecs/rt715.h @@ -22,6 +22,7 @@ struct rt715_priv { struct sdw_bus_params params; bool hw_init; bool first_hw_init; + bool micmute_led; }; struct sdw_stream_data {