diff options
| author | Takashi Iwai <tiwai@suse.de> | 2013-10-24 14:06:32 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-11-29 19:27:54 (GMT) |
| commit | ce0b80a71ba1a749abaffa5e5883582d54ffe66e (patch) | |
| tree | c2c01b49c961fc87a103e8a9e8ec792126ac289b /drivers/platform | |
| parent | 0bb8c8db22da5810c13974d5a8df4595a654541c (diff) | |
| download | linux-fsl-qoriq-ce0b80a71ba1a749abaffa5e5883582d54ffe66e.tar.xz | |
thinkpad_acpi: Fix build error when CONFIG_SND_MAX_CARDS > 32
commit cab6661344f14a09d7aecdf821a40f68ef9b18cc upstream.
SNDRV_CARDS can be specified via Kconfig since 3.11 kernel, so this
can be over 32bit integer range, which leads to a build error.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 03ca6c1..4e86e97 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -6420,7 +6420,12 @@ static struct ibm_struct brightness_driver_data = { #define TPACPI_ALSA_SHRTNAME "ThinkPad Console Audio Control" #define TPACPI_ALSA_MIXERNAME TPACPI_ALSA_SHRTNAME -static int alsa_index = ~((1 << (SNDRV_CARDS - 3)) - 1); /* last three slots */ +#if SNDRV_CARDS <= 32 +#define DEFAULT_ALSA_IDX ~((1 << (SNDRV_CARDS - 3)) - 1) +#else +#define DEFAULT_ALSA_IDX ~((1 << (32 - 3)) - 1) +#endif +static int alsa_index = DEFAULT_ALSA_IDX; /* last three slots */ static char *alsa_id = "ThinkPadEC"; static bool alsa_enable = SNDRV_DEFAULT_ENABLE1; |