linux-kernel - Re: linux-next: manual merge of the sound tree with the drm tree

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Date:	Fri, 30 Aug 2013 08:16:53 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Dave Airlie <airlied@...ux.ie>,
	Wang Xingchao <xingchao.wang@...ux.intel.com>
Subject: Re: linux-next: manual merge of the sound tree with the drm tree

At Fri, 30 Aug 2013 13:03:55 +1000,
Stephen Rothwell wrote:
> 
> Hi Takashi,
> 
> Today's linux-next merge of the sound tree got a conflict in
> sound/pci/hda/hda_intel.c between commit 246efa4a072f ("snd/hda: add
> runtime suspend/resume on optimus support (v4)") from the drm tree and
> commit 7d4f606c50ff ("ALSA: hda - WAKEEN feature enabling for runtime
> pm") from the sound tree.
> 
> I fixed it up (see below) and can carry the fix as necessary (no action
> is required).

Thanks!  The conflict fix looks correct.


Takashi

> 
> -- 
> Cheers,
> Stephen Rothwell                    sfr@...b.auug.org.au
> 
> diff --cc sound/pci/hda/hda_intel.c
> index bf5e58e,c6c9829..0000000
> --- a/sound/pci/hda/hda_intel.c
> +++ b/sound/pci/hda/hda_intel.c
> @@@ -2975,12 -2971,10 +2975,16 @@@ static int azx_runtime_suspend(struct d
>   	struct snd_card *card = dev_get_drvdata(dev);
>   	struct azx *chip = card->private_data;
>   
>  +	if (chip->disabled)
>  +		return 0;
>  +
>  +	if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
>  +		return 0;
>  +
> + 	/* enable controller wake up event */
> + 	azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) |
> + 		  STATESTS_INT_MASK);
> + 
>   	azx_stop_chip(chip);
>   	azx_enter_link_reset(chip);
>   	azx_clear_irq_pending(chip);
> @@@ -2993,17 -2987,31 +2997,37 @@@ static int azx_runtime_resume(struct de
>   {
>   	struct snd_card *card = dev_get_drvdata(dev);
>   	struct azx *chip = card->private_data;
> + 	struct hda_bus *bus;
> + 	struct hda_codec *codec;
> + 	int status;
>   
>  +	if (chip->disabled)
>  +		return 0;
>  +
>  +	if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
>  +		return 0;
>  +
>   	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
>   		hda_display_power(true);
> + 
> + 	/* Read STATESTS before controller reset */
> + 	status = azx_readw(chip, STATESTS);
> + 
>   	azx_init_pci(chip);
>   	azx_init_chip(chip, 1);
> + 
> + 	bus = chip->bus;
> + 	if (status && bus) {
> + 		list_for_each_entry(codec, &bus->codec_list, list)
> + 			if (status & (1 << codec->addr))
> + 				queue_delayed_work(codec->bus->workq,
> + 						   &codec->jackpoll_work, codec->jackpoll_interval);
> + 	}
> + 
> + 	/* disable controller Wake Up event*/
> + 	azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) &
> + 			~STATESTS_INT_MASK);
> + 
>   	return 0;
>   }
>   
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