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wctdm24xxp: Fix regression with LEDS on TDM410.

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r9720 disabled the LEDs on the front panel of the TDM410. This commit
restores the behavior and clarify which part of the TDM410 eframes
control the LED operation.

(closes issue #18939)

Signed-off-by: Shaun Ruffell <sruffell@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@9827 a0bf4364-ded3-4de4-8d8a-66a801d63aff
This commit is contained in:
Shaun Ruffell 2011-03-15 19:06:05 +00:00
parent c4f6f1f225
commit e27f89b0b6
2 changed files with 21 additions and 7 deletions
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25
drivers/dahdi/wctdm24xxp/base.c
View File

@ -898,12 +898,8 @@ static inline void wctdm_transmitprep(struct wctdm *wc, unsigned char *sframe)
if (x < DAHDI_CHUNKSIZE - 1) {
eframe[EFRAME_SIZE] = wc->ctlreg;
eframe[EFRAME_SIZE + 1] = wc->txident++;
if ((wc->desc->ports == 4) && ((wc->ctlreg & 0x10))) {
eframe[EFRAME_SIZE + 2] = 0;
for (y = 0; y < 4; y++)
eframe[EFRAME_SIZE + 2] |= (1 << y);
}
if (4 == wc->desc->ports)
eframe[EFRAME_SIZE + 2] = wc->tdm410leds;
}
eframe += (EFRAME_SIZE + EFRAME_GAP);
}
@ -4510,6 +4506,21 @@ static inline void remove_sysfs_files(struct wctdm *wc) { return; }
#endif /* CONFIG_VOICEBUS_SYSFS */
static void wctdm_set_tdm410_leds(struct wctdm *wc)
{
int i;
if (4 != wc->desc->ports)
return;
wc->tdm410leds = 0; /* all on by default */
for (i = 0; i < wc->desc->ports; ++i) {
/* Turn off the LED for any module that isn't installed. */
if (MOD_TYPE_NONE == wc->modtype[i])
wc->tdm410leds |= (1 << i);
}
}
#ifdef USE_ASYNC_INIT
struct async_data {
struct pci_dev *pdev;
@ -4652,6 +4663,8 @@ __wctdm_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* Now track down what modules are installed */
wctdm_identify_modules(wc);
wctdm_set_tdm410_leds(wc);
if (fatal_signal_pending(current)) {
wctdm_back_out_gracefully(wc);
return -EINTR;

3
drivers/dahdi/wctdm24xxp/wctdm24xxp.h
View File

@ -164,7 +164,8 @@ struct wctdm {
unsigned char rxident;
int flags[NUM_MODULES]; /* bitmap of board-specific + module-specific flags */
unsigned char ctlreg; /* FIXME: something to do with VPM? */
u8 ctlreg;
u8 tdm410leds;
int mods_per_board; /* maximum number of modules for this board */
int digi_mods; /* number of digital modules present */