[PATCH 03/15] vga_switcheroo: Set active attribute to false for audio clients

[Takashi Iwai]

On Thu, 27 Aug 2015 16:43:43 +0200,
Lukas Wunner wrote:
> 
> The active attribute in struct vga_switcheroo_client denotes whether
> the outputs are currently switched to this client. The attribute is
> only meaningful for vga clients. It is never used for audio clients.
> 
> The function vga_switcheroo_register_audio_client() misuses this
> attribute to store whether the audio device is fully initialized.
> Most likely there was a misunderstanding about the meaning of
> "active" when this was added.
> 
> Set the active attribute to false for audio clients. Remove the
> active parameter from vga_switcheroo_register_audio_client() and
> its sole caller, hda_intel.c:register_vga_switcheroo().
> 
> vga_switcheroo_register_audio_client() was introduced by 3e9e63dbd374
> ("vga_switcheroo: Add the support for audio clients"). Its use in
> hda_intel.c was introduced by a82d51ed24bb ("ALSA: hda - Support
> VGA-switcheroo").
> 
> Cc: Takashi Iwai <tiwai at suse.de>
> Signed-off-by: Lukas Wunner <lukas at wunner.de>

Without the cover letter I can't judge why this change is needed, so
at the next time, please put relevant people to Cc of the cover letter
(or the whole series).

In anyway, I'm traveling now and can't review in details, so I'll
have a closer look in the next week after back from vacation.


thanks,

Takashi


> ---
>  drivers/gpu/vga/vga_switcheroo.c | 5 ++---
>  include/linux/vga_switcheroo.h   | 4 ++--
>  sound/pci/hda/hda_intel.c        | 3 +--
>  3 files changed, 5 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
> index b19a72f..fe32536 100644
> --- a/drivers/gpu/vga/vga_switcheroo.c
> +++ b/drivers/gpu/vga/vga_switcheroo.c
> @@ -290,7 +290,6 @@ EXPORT_SYMBOL(vga_switcheroo_register_client);
>   * @pdev: client pci device
>   * @ops: client callbacks
>   * @id: client identifier, see enum vga_switcheroo_client_id
> - * @active: whether the audio device is fully initialized
>   *
>   * Register audio client (audio device on a GPU). The power state of the
>   * client is assumed to be ON.
> @@ -299,9 +298,9 @@ EXPORT_SYMBOL(vga_switcheroo_register_client);
>   */
>  int vga_switcheroo_register_audio_client(struct pci_dev *pdev,
>  					 const struct vga_switcheroo_client_ops *ops,
> -					 int id, bool active)
> +					 int id)
>  {
> -	return register_client(pdev, ops, id | ID_BIT_AUDIO, active, false);
> +	return register_client(pdev, ops, id | ID_BIT_AUDIO, false, false);
>  }
>  EXPORT_SYMBOL(vga_switcheroo_register_audio_client);
>  
> diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h
> index fe90bfc..3764991 100644
> --- a/include/linux/vga_switcheroo.h
> +++ b/include/linux/vga_switcheroo.h
> @@ -128,7 +128,7 @@ int vga_switcheroo_register_client(struct pci_dev *dev,
>  				   bool driver_power_control);
>  int vga_switcheroo_register_audio_client(struct pci_dev *pdev,
>  					 const struct vga_switcheroo_client_ops *ops,
> -					 int id, bool active);
> +					 int id);
>  
>  void vga_switcheroo_client_fb_set(struct pci_dev *dev,
>  				  struct fb_info *info);
> @@ -154,7 +154,7 @@ static inline void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_i
>  static inline int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) { return 0; }
>  static inline int vga_switcheroo_register_audio_client(struct pci_dev *pdev,
>  	const struct vga_switcheroo_client_ops *ops,
> -	int id, bool active) { return 0; }
> +	int id) { return 0; }
>  static inline void vga_switcheroo_unregister_handler(void) {}
>  static inline int vga_switcheroo_process_delayed_switch(void) { return 0; }
>  static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return VGA_SWITCHEROO_ON; }
> diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
> index c38c68f..e819013 100644
> --- a/sound/pci/hda/hda_intel.c
> +++ b/sound/pci/hda/hda_intel.c
> @@ -1143,8 +1143,7 @@ static int register_vga_switcheroo(struct azx *chip)
>  	 * is there any machine with two switchable HDMI audio controllers?
>  	 */
>  	err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops,
> -						    VGA_SWITCHEROO_DIS,
> -						    hda->probe_continued);
> +						   VGA_SWITCHEROO_DIS);
>  	if (err < 0)
>  		return err;
>  	hda->vga_switcheroo_registered = 1;
> -- 
> 1.8.5.2 (Apple Git-48)
>