diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-wm8775.c')
-rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-wm8775.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-wm8775.c b/drivers/media/video/pvrusb2/pvrusb2-wm8775.c index 0068566876ec..1670aa4051ce 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-wm8775.c +++ b/drivers/media/video/pvrusb2/pvrusb2-wm8775.c @@ -27,7 +27,6 @@ */ #include "pvrusb2-wm8775.h" -#include "pvrusb2-i2c-cmd-v4l2.h" #include "pvrusb2-hdw-internal.h" @@ -37,129 +36,6 @@ #include <linux/errno.h> #include <linux/slab.h> - - -struct pvr2_v4l_wm8775 { - struct pvr2_i2c_handler handler; - struct pvr2_i2c_client *client; - struct pvr2_hdw *hdw; - unsigned long stale_mask; -}; - - -static void set_input(struct pvr2_v4l_wm8775 *ctxt) -{ - struct v4l2_routing route; - struct pvr2_hdw *hdw = ctxt->hdw; - - memset(&route,0,sizeof(route)); - - switch(hdw->input_val) { - case PVR2_CVAL_INPUT_RADIO: - route.input = 1; - break; - default: - /* All other cases just use the second input */ - route.input = 2; - break; - } - pvr2_trace(PVR2_TRACE_CHIPS,"i2c wm8775 set_input(val=%d route=0x%x)", - hdw->input_val,route.input); - - pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_S_AUDIO_ROUTING,&route); -} - -static int check_input(struct pvr2_v4l_wm8775 *ctxt) -{ - struct pvr2_hdw *hdw = ctxt->hdw; - return hdw->input_dirty != 0; -} - - -struct pvr2_v4l_wm8775_ops { - void (*update)(struct pvr2_v4l_wm8775 *); - int (*check)(struct pvr2_v4l_wm8775 *); -}; - - -static const struct pvr2_v4l_wm8775_ops wm8775_ops[] = { - { .update = set_input, .check = check_input}, -}; - - -static unsigned int wm8775_describe(struct pvr2_v4l_wm8775 *ctxt, - char *buf,unsigned int cnt) -{ - return scnprintf(buf,cnt,"handler: pvrusb2-wm8775"); -} - - -static void wm8775_detach(struct pvr2_v4l_wm8775 *ctxt) -{ - ctxt->client->handler = NULL; - kfree(ctxt); -} - - -static int wm8775_check(struct pvr2_v4l_wm8775 *ctxt) -{ - unsigned long msk; - unsigned int idx; - - for (idx = 0; idx < ARRAY_SIZE(wm8775_ops); idx++) { - msk = 1 << idx; - if (ctxt->stale_mask & msk) continue; - if (wm8775_ops[idx].check(ctxt)) { - ctxt->stale_mask |= msk; - } - } - return ctxt->stale_mask != 0; -} - - -static void wm8775_update(struct pvr2_v4l_wm8775 *ctxt) -{ - unsigned long msk; - unsigned int idx; - - for (idx = 0; idx < ARRAY_SIZE(wm8775_ops); idx++) { - msk = 1 << idx; - if (!(ctxt->stale_mask & msk)) continue; - ctxt->stale_mask &= ~msk; - wm8775_ops[idx].update(ctxt); - } -} - - -static const struct pvr2_i2c_handler_functions hfuncs = { - .detach = (void (*)(void *))wm8775_detach, - .check = (int (*)(void *))wm8775_check, - .update = (void (*)(void *))wm8775_update, - .describe = (unsigned int (*)(void *,char *,unsigned int))wm8775_describe, -}; - - -int pvr2_i2c_wm8775_setup(struct pvr2_hdw *hdw,struct pvr2_i2c_client *cp) -{ - struct pvr2_v4l_wm8775 *ctxt; - - if (cp->handler) return 0; - - ctxt = kzalloc(sizeof(*ctxt),GFP_KERNEL); - if (!ctxt) return 0; - - ctxt->handler.func_data = ctxt; - ctxt->handler.func_table = &hfuncs; - ctxt->client = cp; - ctxt->hdw = hdw; - ctxt->stale_mask = (1 << ARRAY_SIZE(wm8775_ops)) - 1; - cp->handler = &ctxt->handler; - pvr2_trace(PVR2_TRACE_CHIPS,"i2c 0x%x wm8775 V4L2 handler set up", - cp->client->addr); - return !0; -} - - void pvr2_wm8775_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) { if (hdw->input_dirty || hdw->force_dirty) { |