mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

[ALSA] mpu-401: remove MPU401_INFO_UART_ONLY flag 

Since the last patch made the ENTER_UART command optional, the
enter_uart option and its corresponding flag have become superfluous.
The uart_enter option remains for backward compatibility but just prints
a warning when used.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Clemens Ladisch 2007-10-11 14:42:23 +02:00 committed by Jaroslav Kysela
parent 69d8d3eb4d
commit c1099fcb74
4 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/sound/alsa/ALSA-Configuration.txt
View File

@ -1388,7 +1388,6 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
port - port number or -1 (disable)
irq - IRQ number or -1 (disable)
pnp - PnP detection - 0 = disable, 1 = enable (default)
uart_enter - Issue UART_ENTER command at open - bool, default = on
This module supports multiple devices and PnP.

1
include/sound/mpu401.h
View File

@ -50,7 +50,6 @@
#define MPU401_INFO_INTEGRATED (1 << 2) /* integrated h/w port */
#define MPU401_INFO_MMIO (1 << 3) /* MMIO access */
#define MPU401_INFO_TX_IRQ (1 << 4) /* independent TX irq */
#define MPU401_INFO_UART_ONLY (1 << 5) /* No ENTER_UART cmd needed */
#define MPU401_MODE_BIT_INPUT 0
#define MPU401_MODE_BIT_OUTPUT 1

6
sound/drivers/mpu401/mpu401.c
View File

@ -70,6 +70,9 @@ static int snd_mpu401_create(int dev, struct snd_card **rcard)
struct snd_card *card;
int err;
if (!uart_enter[dev])
snd_printk(KERN_ERR "the uart_enter option is obsolete; remove it\n");
*rcard = NULL;
card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
if (card == NULL)
@ -83,8 +86,7 @@ static int snd_mpu401_create(int dev, struct snd_card **rcard)
strcat(card->longname, "polled");
}
err = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, port[dev],
uart_enter[dev] ? 0 : MPU401_INFO_UART_ONLY,
err = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, port[dev], 0,
irq[dev], irq[dev] >= 0 ? IRQF_DISABLED : 0,
NULL);
if (err < 0) {

3
sound/drivers/mpu401/mpu401_uart.c
View File

@ -270,8 +270,7 @@ static int snd_mpu401_do_reset(struct snd_mpu401 *mpu)
{
if (snd_mpu401_uart_cmd(mpu, MPU401_RESET, 1))
return -EIO;
if (!(mpu->info_flags & MPU401_INFO_UART_ONLY) &&
snd_mpu401_uart_cmd(mpu, MPU401_ENTER_UART, 0))
if (snd_mpu401_uart_cmd(mpu, MPU401_ENTER_UART, 0))
return -EIO;
return 0;
}