From 7fb20fa38caaf5c9d1b1d60b181c99ca30122520 Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Tue, 22 Apr 2008 14:45:37 -0300 Subject: [PATCH] V4L/DVB (7299): pvrusb2: Improve logic which handles input choice availability Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- .../video/pvrusb2/pvrusb2-hdw-internal.h | 3 ++ drivers/media/video/pvrusb2/pvrusb2-hdw.c | 35 +++++++++---------- drivers/media/video/pvrusb2/pvrusb2-hdw.h | 4 +++ 3 files changed, 24 insertions(+), 18 deletions(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h index d7a216b41b7..aa374c7e08f 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h @@ -323,6 +323,9 @@ struct pvr2_hdw { int v4l_minor_number_vbi; int v4l_minor_number_radio; + /* Bit mask of PVR2_CVAL_INPUT choices which are valid */ + unsigned int input_avail_mask; + /* Location of eeprom or a negative number if none */ int eeprom_addr; diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 66945f7d221..94cb0a76e77 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -370,23 +370,7 @@ static int ctrl_get_input(struct pvr2_ctrl *cptr,int *vp) static int ctrl_check_input(struct pvr2_ctrl *cptr,int v) { - struct pvr2_hdw *hdw = cptr->hdw; - const struct pvr2_device_desc *dsc = hdw->hdw_desc; - - switch (v) { - case PVR2_CVAL_INPUT_TV: - return dsc->flag_has_analogtuner != 0; - case PVR2_CVAL_INPUT_DTV: - return dsc->flag_has_digitaltuner != 0; - case PVR2_CVAL_INPUT_SVIDEO: - return dsc->flag_has_svideo != 0; - case PVR2_CVAL_INPUT_COMPOSITE: - return dsc->flag_has_composite != 0; - case PVR2_CVAL_INPUT_RADIO: - return dsc->flag_has_fmradio != 0; - default: - return 0; - } + return ((1 << v) & cptr->hdw->input_avail_mask) != 0; } static int ctrl_set_input(struct pvr2_ctrl *cptr,int m,int v) @@ -1834,7 +1818,7 @@ static void pvr2_hdw_setup(struct pvr2_hdw *hdw) struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, const struct usb_device_id *devid) { - unsigned int idx,cnt1,cnt2; + unsigned int idx,cnt1,cnt2,m; struct pvr2_hdw *hdw; int valid_std_mask; struct pvr2_ctrl *cptr; @@ -1865,6 +1849,15 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, hdw->tuner_signal_stale = !0; cx2341x_fill_defaults(&hdw->enc_ctl_state); + /* Calculate which inputs are OK */ + m = 0; + if (hdw_desc->flag_has_analogtuner) m |= 1 << PVR2_CVAL_INPUT_TV; + if (hdw_desc->flag_has_digitaltuner) m |= 1 << PVR2_CVAL_INPUT_DTV; + if (hdw_desc->flag_has_svideo) m |= 1 << PVR2_CVAL_INPUT_SVIDEO; + if (hdw_desc->flag_has_composite) m |= 1 << PVR2_CVAL_INPUT_COMPOSITE; + if (hdw_desc->flag_has_fmradio) m |= 1 << PVR2_CVAL_INPUT_RADIO; + hdw->input_avail_mask = m; + hdw->control_cnt = CTRLDEF_COUNT; hdw->control_cnt += MPEGDEF_COUNT; hdw->controls = kzalloc(sizeof(struct pvr2_ctrl) * hdw->control_cnt, @@ -3780,6 +3773,12 @@ int pvr2_hdw_gpio_chg_out(struct pvr2_hdw *hdw,u32 msk,u32 val) } +unsigned int pvr2_hdw_get_input_available(struct pvr2_hdw *hdw) +{ + return hdw->input_avail_mask; +} + + /* Find I2C address of eeprom */ static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw) { diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.h b/drivers/media/video/pvrusb2/pvrusb2-hdw.h index d33b313966e..59f385878ef 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.h +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.h @@ -147,6 +147,10 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_nextv4l(struct pvr2_hdw *, /* Commit all control changes made up to this point */ int pvr2_hdw_commit_ctl(struct pvr2_hdw *); +/* Return a bit mask of valid input selections for this device. Mask bits + * will be according to PVR_CVAL_INPUT_xxxx definitions. */ +unsigned int pvr2_hdw_get_input_available(struct pvr2_hdw *); + /* Return name for this driver instance */ const char *pvr2_hdw_get_driver_name(struct pvr2_hdw *); -- 2.41.0