staging: speakup: speakup_dectlk.c: style fixes

* Clean this file based on reports from checkpatch.pl.
* Replace a function-like macro with an inline function.
* Remove an incorrect use of the volatile qualifier.  The
previously-volatile variable is now always protected by a spinlock.

Signed-off-by: Christopher Brannon <chris@the-brannons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Christopher Brannon 2010-10-14 19:24:00 -05:00 committed by Greg Kroah-Hartman
parent c3d5d98820
commit 4073f1b6ab

View file

@ -36,8 +36,12 @@
#define DRV_VERSION "2.20" #define DRV_VERSION "2.20"
#define SYNTH_CLEAR 0x03 #define SYNTH_CLEAR 0x03
#define PROCSPEECH 0x0b #define PROCSPEECH 0x0b
static volatile int xoff; static int xoff;
#define synth_full() (xoff)
static inline int synth_full(void)
{
return xoff;
}
static void do_catch_up(struct spk_synth *synth); static void do_catch_up(struct spk_synth *synth);
static void synth_flush(struct spk_synth *synth); static void synth_flush(struct spk_synth *synth);
@ -160,7 +164,7 @@ static int is_indnum(u_char *ch)
return 0; return 0;
} }
static u_char lastind = 0; static u_char lastind;
static unsigned char get_index(void) static unsigned char get_index(void)
{ {
@ -198,7 +202,8 @@ static void read_buff_add(u_char c)
static void do_catch_up(struct spk_synth *synth) static void do_catch_up(struct spk_synth *synth)
{ {
static u_char ch = 0; int synth_full_val = 0;
static u_char ch;
static u_char last = '\0'; static u_char last = '\0';
unsigned long flags; unsigned long flags;
unsigned long jiff_max; unsigned long jiff_max;
@ -243,10 +248,11 @@ static void do_catch_up(struct spk_synth *synth)
ch = synth_buffer_peek(); ch = synth_buffer_peek();
set_current_state(TASK_INTERRUPTIBLE); set_current_state(TASK_INTERRUPTIBLE);
delay_time_val = delay_time->u.n.value; delay_time_val = delay_time->u.n.value;
synth_full_val = synth_full();
spk_unlock(flags); spk_unlock(flags);
if (ch == '\n') if (ch == '\n')
ch = 0x0D; ch = 0x0D;
if (synth_full() || !spk_serial_out(ch)) { if (synth_full_val || !spk_serial_out(ch)) {
schedule_timeout(msecs_to_jiffies(delay_time_val)); schedule_timeout(msecs_to_jiffies(delay_time_val));
continue; continue;
} }
@ -268,7 +274,8 @@ static void do_catch_up(struct spk_synth *synth)
jiffy_delta_val = jiffy_delta->u.n.value; jiffy_delta_val = jiffy_delta->u.n.value;
delay_time_val = delay_time->u.n.value; delay_time_val = delay_time->u.n.value;
spk_unlock(flags); spk_unlock(flags);
schedule_timeout(msecs_to_jiffies(delay_time_val)); schedule_timeout(msecs_to_jiffies
(delay_time_val));
jiff_max = jiffies + jiffy_delta_val; jiff_max = jiffies + jiffy_delta_val;
} }
} }