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Mon, 22 Mar 2021 05:39:24 -0400 X-LoopCount0: from 10.69.132.19 X-PREM-Routing: D-Outbound X-IronPort-AV: E=Sophos;i="5.81,268,1610431200"; d="scan'208";a="613815038" From: Perry Yuan To: pobrn@protonmail.com, pierre-louis.bossart@linux.intel.com, oder_chiou@realtek.com, perex@perex.cz, tiwai@suse.com, hdegoede@redhat.com, mgross@linux.intel.com, Mario.Limonciello@dell.com Subject: [PATCH v5 2/2] ASoC: rt715:add micmute led state control supports Date: Mon, 22 Mar 2021 17:39:14 +0800 Message-Id: <20210322093914.4228-1-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=2.50.10434:6.0.369, 18.0.761 definitions=2021-03-22_04:2021-03-22, 2021-03-22 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 adultscore=0 priorityscore=1501 clxscore=1015 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 bulkscore=0 phishscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103220072 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 malwarescore=0 spamscore=0 phishscore=0 suspectscore=0 mlxscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103220072 Cc: alsa-devel@alsa-project.org, 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 and rt715 sdca driver to change the local micmute led state. Dell privacy led trigger driver will 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, then hardware audio circuit solution controlled by EC will switch the audio input source off/on Signed-off-by: Perry Yuan -------- v4 -> v5: * rebase to latest 5.12 rc4 upstream kernel v3 -> v4: * remove unused debug log * remove compile flag of DELL privacy * move the micmute_led to local from rt715_priv * when Jaroslav upstream his gerneric LED trigger driver,I will rebase this patch,please consider merge this at first https://lore.kernel.org/alsa-devel/20210211111400.1131020-1-perex@perex.cz/ 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 | 11 +++++++++++ sound/soc/codecs/rt715.c | 12 ++++++++++++ 2 files changed, 23 insertions(+) diff --git a/sound/soc/codecs/rt715-sdca.c b/sound/soc/codecs/rt715-sdca.c index 20528afbdc57..70e1181f1dee 100644 --- a/sound/soc/codecs/rt715-sdca.c +++ b/sound/soc/codecs/rt715-sdca.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -358,6 +359,7 @@ static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol, unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = p->invert; int err; + bool micmute_led; for (i = 0; i < 4; i++) { if (ucontrol->value.integer.value[i] != rt715->kctl_switch_orig[i]) { @@ -393,6 +395,15 @@ static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol, if (err < 0) return err; } + /* Micmute LED state changed by muted/unmute switch */ + if (invert) { + if (ucontrol->value.integer.value[0] || ucontrol->value.integer.value[1]) { + micmute_led = LED_OFF; + } else { + micmute_led = LED_ON; + } + ledtrig_audio_set(LED_AUDIO_MICMUTE, micmute_led); + } return k_changed; } diff --git a/sound/soc/codecs/rt715.c b/sound/soc/codecs/rt715.c index 34c3357e943b..13686c5239b3 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; + bool micmute_led; if (strstr(ucontrol->id.name, "Main Capture Switch") || strstr(ucontrol->id.name, "Main Capture Volume")) @@ -95,6 +97,16 @@ static int rt715_set_amp_gain_put(struct snd_kcontrol *kcontrol, else loop_cnt = 1; + /* Micmute LED state changed by muted/unmute switch */ + if (mc->invert) { + if (ucontrol->value.integer.value[0] || ucontrol->value.integer.value[1]) { + micmute_led = LED_OFF; + } else { + micmute_led = LED_ON; + } + ledtrig_audio_set(LED_AUDIO_MICMUTE, micmute_led); + } + for (j = 0; j < loop_cnt; j++) { /* Can't use update bit function, so read the original value first */ if (loop_cnt == 1) {