[alsa-devel] [PATCH] hdajackretask: Make sure codecs do not show up twice under 3.15 kernel

[Takashi Iwai]

At Tue, 27 May 2014 09:12:36 +0200,
David Henningsson wrote:
> 
> On a 3.15 based kernel, both "hdaudioC*D*" and "hwC*D*" shows up under
> /sys/class/sound, and pointing to the same object. Make sure we only
> match on the hwC*D* name to avoid duplicate entries.
> 
> Signed-off-by: David Henningsson <david.henningsson at canonical.com>

Thanks, applied.


Takashi

> ---
>  hdajackretask/sysfs-pin-configs.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/hdajackretask/sysfs-pin-configs.c b/hdajackretask/sysfs-pin-configs.c
> index 4044989..5bae0f9 100644
> --- a/hdajackretask/sysfs-pin-configs.c
> +++ b/hdajackretask/sysfs-pin-configs.c
> @@ -20,8 +20,10 @@ int get_codec_name_list(codec_name_t* names, int entries)
>          const gchar* dirname = g_dir_read_name(sysdir);
>          if (!dirname)
>              break;
> +        /* Split e g "hwC0D1" into "hw", "0" and "1" */
>          cd = g_strsplit_set(dirname, "CD", 9);
>          ok = g_strv_length(cd) == 3;
> +        ok &= strcmp(cd[0], "hw") == 0;
>          if (ok) {
>              gchar* filetest = g_strdup_printf("/sys/class/sound/%s/init_pin_configs", dirname);
>              ok = g_file_test(filetest, G_FILE_TEST_IS_REGULAR);
> -- 
> 1.9.1
>