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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Dell.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BY3PR19MB4913.namprd19.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 81c01d08-122c-4762-6a6b-08d8b7228277 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Jan 2021 17:50:11.7514 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 945c199a-83a2-4e80-9f8c-5a91be5752dd X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: xq/woqfPk16shPM63mbos/cAls7ub3rhD83qfhCFQUZVbDetgzHvMrBVC/Afrld7hT/hiF907gHkrh1AoxnrDKsOAc6jyOCNi1OCFl7mloo= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR19MB3537 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 mlxlogscore=999 bulkscore=0 phishscore=0 clxscore=1015 malwarescore=0 mlxscore=0 adultscore=0 priorityscore=1501 spamscore=0 suspectscore=0 lowpriorityscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120105 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 bulkscore=0 spamscore=0 suspectscore=0 adultscore=0 mlxscore=0 mlxlogscore=999 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120105 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Yuan, Perry > Sent: Tuesday, January 12, 2021 11:18 > To: oder_chiou@realtek.com; perex@perex.cz; tiwai@suse.com; > hdegoede@redhat.com; mgross@linux.intel.com > Cc: lgirdwood@gmail.com; broonie@kernel.org; alsa-devel@alsa-project.org; > linux-kernel@vger.kernel.org; platform-driver-x86@vger.kernel.org; Yuan, > Perry; Limonciello, Mario > Subject: [PATCH v3 3/3] ASoC: rt715:add micmute led state control support= s >=20 > From: Perry Yuan >=20 > 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 >=20 > 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 >=20 > Signed-off-by: Perry Yuan >=20 > -------- > v2 -> v3 > * simplify the patch to reuse some val value > * add more detail to the commit info >=20 > 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(+) >=20 > 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 =3D mc->max; > int val; >=20 > + pr_err("++++++rt715_sdca_get_volsw++\n"); > val =3D 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 =3D snd_kcontrol_chip(kcontrol); > + struct rt715_sdca_priv *rt715 =3D > snd_soc_component_get_drvdata(component); > struct soc_mixer_control *mc =3D > (struct soc_mixer_control *)kcontrol->private_value; > unsigned int val, val2, loop_cnt =3D 2, i; > @@ -268,6 +271,7 @@ static int rt715_sdca_put_volsw(struct snd_kcontrol > *kcontrol, > unsigned int reg2 =3D mc->rreg; > unsigned int reg =3D mc->reg; > unsigned int max =3D mc->max; > + unsigned int val0, val1; > int err; >=20 > val =3D ucontrol->value.integer.value[0]; > @@ -287,6 +291,18 @@ static int rt715_sdca_put_volsw(struct snd_kcontrol > *kcontrol, > return err; > } >=20 > +#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 =3D LED_OFF; > + } else { > + rt715->micmute_led =3D LED_ON; > + } > + ledtrig_audio_set(LED_AUDIO_MICMUTE, rt715->micmute_led); > + } > +#endif > + > return 0; > } >=20 > 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; > }; >=20 > 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; >=20 > 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 =3D 1; >=20 > +#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 =3D LED_OFF; > + } else { > + rt715->micmute_led =3D LED_ON; > + } > + ledtrig_audio_set(LED_AUDIO_MICMUTE, rt715->micmute_led); > + } > +#endif > + You might have missed my other comment on v2 feedback, but is there a reaso= n to keep it behind a compile time flag for dell privacy module? In practice any other future led backend provider should work too. Another way to thin= k about it - if dell privacy wasn't enabled would this cause a problem to run this code? I think it would just be a no-op. > for (j =3D 0; j < loop_cnt; j++) { > /* Can't use update bit function, so read the original value first > */ > if (loop_cnt =3D=3D 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; > }; >=20 > struct sdw_stream_data { > -- > 2.25.1