On 6/15/21 10:47 AM, Cheng-yi Chiang wrote:
Hi Tzung-Bi,
On a platform, the four max98357a amps will be controlled by only one
codec device, as GPIO for SD_MODE is shared by all amps and is the
only thing to be controlled.
In this sense, I think we can treat max98357a DAI as if it supports
four channels.
I understand that this solution is not scalable, because one can
control as many amps as they want.
Theoretically, the number of supported channels by this codec device
is unlimited.
I found that rt1015.c has similar usage.
Do you have a better suggestion to support this kind of use case ?
Thanks!
please don't top-post...
I don't think it's correct to declare 4-channel support at the
individual codec DAI level when in practice each device will be provided
with a TDM mask that selects two slots.
This is confusing device capabilities and TDM link configuration.
On Tue, Jun 1, 2021 at 2:20 PM Tzung-Bi Shih <tzungbi@xxxxxxxxxx> wrote:
On Wed, May 26, 2021 at 11:47 PM Judy Hsiao <judyhsiao@xxxxxxxxxxxx> wrote:
Sets channels_max to 4 to support QUAD channel.
Could you point out probably the up-to-date MAX98357A datasheet for
4-channel support?
On a related note, from the public datasheet I could find[1], "Table
5" only shows 2 channel's configuration.
[1]: https://pdf1.alldatasheet.com/datasheet-pdf/view/623796/MAXIM/MAX98357A.html
