Hi Mark:
I'm still try to use simple-card driver but it hasn't do work from now on,
could I to update rockchip-max98090.c at the same time ?
在 09/12/2014 09:52 PM, Mark Brown 写道:
> On Fri, Sep 12, 2014 at 03:39:48PM +0800, Jianqun wrote:
>
>> +#define RK_PLAT_CLK_12M 12000000
> I'm not sure a define is adding anything here... it's just a define
> saying 12MHz that has the value 12MHz.
>
Okay
>> + struct snd_soc_dai *codec_dai = rtd->codec_dai;
>> +
>> +/* Set max98090 as master, i2s clock output 12MHz for max98090 */
>> + ret = snd_soc_dai_set_sysclk(cpu_dai, 0,
> Coding style, comments aren't aligned with the code.
Okay
>
>> + ret = snd_soc_add_card_controls(card, rk_mc_controls,
>> + ARRAY_SIZE(rk_mc_controls));
>> + if (ret) {
>> + pr_err("unable to add card controls\n");
>> + return ret;
>> + }
> Use card->controls.
Okay
>
>> + snd_soc_dapm_enable_pin(dapm, "Headset Mic");
>> + snd_soc_dapm_enable_pin(dapm, "Headphone");
>> + snd_soc_dapm_enable_pin(dapm, "Ext Spk");
>> + snd_soc_dapm_enable_pin(dapm, "Int Mic");
>> +
>> + snd_soc_dapm_sync(dapm);
> All pins are enabled by default and sync doesn't do anything during
> init.
okay, will to remove sync in next version
>> +#ifdef CONFIG_PM_SLEEP
>> +static int snd_rk_prepare(struct device *dev)
>> +{
>> + struct snd_soc_card *card = dev_get_drvdata(dev);
>> + struct rk_mc_private *drv = snd_soc_card_get_drvdata(card);
>> +
>> + snd_soc_jack_free_gpios(&drv->hp_jack, 1, &hp_jack_gpio);
>> + snd_soc_jack_free_gpios(&drv->mic_jack, 1, &mic_jack_gpio);
>> +
>> + return snd_soc_suspend(dev);
>> +}
> Why are you freeing the GPIOs over suspend, that doesn't seem good?
Okay , will to remove them in next version
>
>> + hp_jack_gpio.gpio = of_get_named_gpio(np, "rockchip,hp-det-gpios", 0);
>> + if (hp_jack_gpio.gpio == -EPROBE_DEFER)
>> + return -EPROBE_DEFER;
>> +
>> + mic_jack_gpio.gpio = of_get_named_gpio(np, "rockchip,mic-det-gpios", 0);
>> + if (mic_jack_gpio.gpio == -EPROBE_DEFER)
>> + return -EPROBE_DEFER;
> This ignores errors other than probe deferral but the init code assumed
> that these would've succeeded. Either the init code should handle
> failure or all errors should be treated as fatal.
dev_warn will be ok ?
>> + platform_set_drvdata(pdev, &card);
>> +
>> + ret = snd_soc_of_parse_card_name(card, "rockchip,model");
>> + if (ret)
>> + return ret;
> These need to happen before we register the card since they could be
> used as soon as we probe.
okay
>> + snd_soc_card_set_drvdata(soc_card, NULL);
> No need to clear driver data, the core will do it anyway and anything
> relying on pre-set driver data is broken.
okay
--
Jianqun Xu
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