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V4L/DVB (4875): budget-ci IR: groundwork for following patches 

This patch lays down some groundwork for later budget-ci patches. The bulk
of this consists of moving a few members into a new struct and renaming a
few of them.
It also allocates extra space for the device name (the "name" field in
/proc/bus/input/devices and in the relevant sysfs dir) to avoid truncation
and uses snprintf rather than sprintf in case the extra space shouldn't be
enough.
Taken from Darren Salt's dvb-ir patchset

Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk>
Signed-off-by: David Hardeman <david@hardeman.nu>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
David Hardeman 2006-12-02 21:16:05 -02:00 committed by Mauro Carvalho Chehab
parent 5cfbacd0d3
commit dd2f398ccb
1 changed files with 19 additions and 15 deletions
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34
drivers/media/dvb/ttpci/budget-ci.c
View File

@ -72,15 +72,19 @@
#define SLOTSTATUS_READY 8
#define SLOTSTATUS_OCCUPIED (SLOTSTATUS_PRESENT|SLOTSTATUS_RESET|SLOTSTATUS_READY)
struct budget_ci_ir {
struct input_dev *dev;
struct tasklet_struct msp430_irq_tasklet;
char name[72]; /* 40 + 32 for (struct saa7146_dev).name */
};
struct budget_ci {
struct budget budget;
struct input_dev *input_dev;
struct tasklet_struct msp430_irq_tasklet;
struct tasklet_struct ciintf_irq_tasklet;
int slot_status;
int ci_irq;
struct dvb_ca_en50221 ca;
char ir_dev_name[50];
struct budget_ci_ir ir;
u8 tuner_pll_address; /* used for philips_tdm1316l configs */
};
@ -156,7 +160,7 @@ static void msp430_ir_debounce(unsigned long data)
static void msp430_ir_interrupt(unsigned long data)
{
struct budget_ci *budget_ci = (struct budget_ci *) data;
struct input_dev *dev = budget_ci->input_dev;
struct input_dev *dev = budget_ci->ir.dev;
unsigned int code =
ttpci_budget_debiread(&budget_ci->budget, DEBINOSWAP, DEBIADDR_IR, 2, 1, 0) >> 8;
@ -191,17 +195,17 @@ static void msp430_ir_interrupt(unsigned long data)
static int msp430_ir_init(struct budget_ci *budget_ci)
{
struct saa7146_dev *saa = budget_ci->budget.dev;
struct input_dev *input_dev;
struct input_dev *input_dev = budget_ci->ir.dev;
int i;
int err;
input_dev = input_allocate_device();
budget_ci->ir.dev = input_dev = input_allocate_device();
if (!input_dev)
return -ENOMEM;
sprintf(budget_ci->ir_dev_name, "Budget-CI dvb ir receiver %s", saa->name);
input_dev->name = budget_ci->ir_dev_name;
snprintf(budget_ci->ir.name, sizeof(budget_ci->ir.name),
"Budget-CI dvb ir receiver %s", saa->name);
input_dev->name = budget_ci->ir.name;
set_bit(EV_KEY, input_dev->evbit);
for (i = 0; i < ARRAY_SIZE(key_map); i++)
@ -214,9 +218,9 @@ static int msp430_ir_init(struct budget_ci *budget_ci)
return err;
}
input_dev->timer.function = msp430_ir_debounce;
input_register_device(budget_ci->ir.dev);
budget_ci->input_dev = input_dev;
input_dev->timer.function = msp430_ir_debounce;
saa7146_write(saa, IER, saa7146_read(saa, IER) | MASK_06);
saa7146_setgpio(saa, 3, SAA7146_GPIO_IRQHI);
@ -227,7 +231,7 @@ static int msp430_ir_init(struct budget_ci *budget_ci)
static void msp430_ir_deinit(struct budget_ci *budget_ci)
{
struct saa7146_dev *saa = budget_ci->budget.dev;
struct input_dev *dev = budget_ci->input_dev;
struct input_dev *dev = budget_ci->ir.dev;
saa7146_write(saa, IER, saa7146_read(saa, IER) & ~MASK_06);
saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT);
@ -548,7 +552,7 @@ static void budget_ci_irq(struct saa7146_dev *dev, u32 * isr)
dprintk(8, "dev: %p, budget_ci: %p\n", dev, budget_ci);
if (*isr & MASK_06)
tasklet_schedule(&budget_ci->msp430_irq_tasklet);
tasklet_schedule(&budget_ci->ir.msp430_irq_tasklet);
if (*isr & MASK_10)
ttpci_budget_irq10_handler(dev, isr);
@ -1105,7 +1109,7 @@ static int budget_ci_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
return err;
}
tasklet_init(&budget_ci->msp430_irq_tasklet, msp430_ir_interrupt,
tasklet_init(&budget_ci->ir.msp430_irq_tasklet, msp430_ir_interrupt,
(unsigned long) budget_ci);
msp430_ir_init(budget_ci);
@ -1134,7 +1138,7 @@ static int budget_ci_detach(struct saa7146_dev *dev)
}
err = ttpci_budget_deinit(&budget_ci->budget);
tasklet_kill(&budget_ci->msp430_irq_tasklet);
tasklet_kill(&budget_ci->ir.msp430_irq_tasklet);
msp430_ir_deinit(budget_ci);