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SubjectRe: [PATCH v6 11/13] leds: rgb: mt6370: Add MediaTek MT6370 current sink type LED Indicator support
On Mon, Jul 25, 2022 at 4:41 PM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
...
> > From: ChiYuan Huang <cy_huang@richtek.com>
>
> ^^^^ (Note this and read below)

...

> In conjunction with above what SoB of Alice means?
>
> You really need to take your time and (re-)read
> https://www.kernel.org/doc/html/latest/process/submitting-patches.html.

Hi Andy,

Thanks for your reply.
We are very sorry for this mistake. We will revise it in the next patch.

>
> ...
>
> > + * Author: Alice Chen <alice_chen@richtek.com>
> > + * Author: ChiYuan Huang <cy_huang@richtek.com>
>
> Would
> * Authors:
> * Name_of_Author 1
> * Name_of_Author 2
>
> work for you?

It looks good, thanks! We will apply this in the next patch.

...

> > +struct mt6370_led {
> > + union {
> > + struct led_classdev isink;
> > + struct led_classdev_mc mc;
> > + };
>
> Where is the field that makes union work?

Just for saving memory space.
Because these led_classdevs do not be used at the same time.
Or do you think it would be better to rewrite it as follows?
-------------------------------------------------------------------------------------
struct mt6370_led {
struct led_classdev isink;
struct led_classdev_mc mc;
struct mt6370_priv *priv;
u32 default_state;
u32 index;
};
-------------------------------------------------------------------------------------

...

> > +static int mt6370_gen_breath_pattern(struct mt6370_priv *priv,
> > + struct led_pattern *pattern, u32 len,
> > + u8 *pattern_val, u32 val_len)
> > +{
> > + enum mt6370_led_ranges sel_range;
> > + struct led_pattern *curr;
> > + unsigned int sel;
> > + u8 val[P_MAX_PATTERNS / 2] = {};
> > + int i;
> > +
> > + if (len < P_MAX_PATTERNS && val_len < P_MAX_PATTERNS / 2)
> > + return -EINVAL;
> > +
> > + /*
> > + * Pattern list
> > + * tr1: byte 0, b'[7: 4]
> > + * tr2: byte 0, b'[3: 0]
> > + * tf1: byte 1, b'[7: 4]
> > + * tf2: byte 1, b'[3: 0]
> > + * ton: byte 2, b'[7: 4]
> > + * toff: byte 2, b'[3: 0]
> > + */
> > + for (i = 0; i < P_MAX_PATTERNS; i++) {
> > + curr = pattern + i;
> > +
> > + sel_range = i == P_LED_TOFF ? R_LED_TOFF : R_LED_TRFON;
> > +
> > + linear_range_get_selector_within(priv->ranges + sel_range,
> > + curr->delta_t, &sel);
> > +
> > + val[i / 2] |= sel << (4 * ((i + 1) % 2));
> > + }
> > +
> > + memcpy(pattern_val, val, 3);
>
> Isn't it something like put_unaligned_be24()/put_unaligned_le24()?

OK, we will try to apply this method in the next patch.
Thank you so much for reviewing our patches so many times and
providing so many great suggestions!

--
Best Regards,
ChiaEn Wu

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