linux-kernel - Re: [PATCH v1 4/4] ALSA: hda/cirrus: Make CS8409 driver more generic by using fixups.

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Date:   Mon, 15 Mar 2021 15:39:14 +0000
From:   Vitaly Rodionov <vitalyr@...nsource.cirrus.com>
To:     Takashi Iwai <tiwai@...e.de>
CC:     <alsa-devel@...a-project.org>, <patches@...nsource.cirrus.com>,
        Stefan Binding <sbinding@...nsource.cirrus.com>,
        Takashi Iwai <tiwai@...e.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 4/4] ALSA: hda/cirrus: Make CS8409 driver more generic
 by using fixups.

On 15/03/2021 7:49 am, Takashi Iwai wrote:
> On Sat, 13 Mar 2021 12:34:10 +0100,
> Vitaly Rodionov wrote:
>> @@ -1357,6 +1362,22 @@ static const struct hda_verb cs8409_cs42l42_init_verbs[] = {
>>   	{ 0x47, AC_VERB_SET_PROC_COEF,  0x0080 },     /* I2C mode */
>>   	{ 0x47, AC_VERB_SET_COEF_INDEX, 0x005b },     /* Set I2C bus speed */
>>   	{ 0x47, AC_VERB_SET_PROC_COEF,  0x0200 },     /* 100kHz I2C_STO = 2 */
>> +	{ 0x24, AC_VERB_SET_CONFIG_DEFAULT_BYTES_0, 0xF0 }, /* Widget node ASP-1-TX */
>> +	{ 0x24, AC_VERB_SET_CONFIG_DEFAULT_BYTES_1, 0x20 },
>> +	{ 0x24, AC_VERB_SET_CONFIG_DEFAULT_BYTES_2, 0x21 },
>> +	{ 0x24, AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, 0x04 },
>> +	{ 0x34, AC_VERB_SET_CONFIG_DEFAULT_BYTES_0, 0x50 }, /* Widget node ASP-1-RX0 */
>> +	{ 0x34, AC_VERB_SET_CONFIG_DEFAULT_BYTES_1, 0x20 },
>> +	{ 0x34, AC_VERB_SET_CONFIG_DEFAULT_BYTES_2, 0xa1 },
>> +	{ 0x34, AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, 0x04 },
>> +	{ 0x2C, AC_VERB_SET_CONFIG_DEFAULT_BYTES_0, 0xF0 }, /* Widget node ASP-2-TX */
>> +	{ 0x2C, AC_VERB_SET_CONFIG_DEFAULT_BYTES_1, 0x00 },
>> +	{ 0x2C, AC_VERB_SET_CONFIG_DEFAULT_BYTES_2, 0x10 },
>> +	{ 0x2C, AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, 0x90 },
>> +	{ 0x44, AC_VERB_SET_CONFIG_DEFAULT_BYTES_0, 0x90 }, /* Widget node DMIC-1 */
>> +	{ 0x44, AC_VERB_SET_CONFIG_DEFAULT_BYTES_1, 0x00 },
>> +	{ 0x44, AC_VERB_SET_CONFIG_DEFAULT_BYTES_2, 0xA0 },
>> +	{ 0x44, AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, 0x90 },
> Those widgets are all pin widgets, right?  If so, setting via the
> pincfg table would be more suitable, as it's cached and exposed via
> sysfs for debugging.

Yes, you are right, actually we already have these widgets in pincfg 
table, so this code is redundant.

Will fix in next version.

>
>
> thanks,
>
> Takashi