Messages in this thread Patch in this message | | | Date | Mon, 10 Sep 2007 13:58:02 +0100 | From | "Jan Beulich" <> | Subject | [PATCH] tristate choices with mixed tristate and boolean values |
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Change kconfig behavior so that mixing bool and tristate config settings in a choice is possible and has the desired effect of offering just the tristate options individually if the choice gets set to M, and a normal boolean selection if the choice gets set to Y.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
scripts/kconfig/menu.c | 35 ++++++++++++++++++++++++++--------- 1 file changed, 26 insertions(+), 9 deletions(-)
--- linux-2.6.23-rc5/scripts/kconfig/menu.c 2007-09-07 16:48:23.000000000 +0200 +++ 2.6.23-rc5-tristate-choices/scripts/kconfig/menu.c 2007-09-03 10:29:41.000000000 +0200 @@ -235,16 +235,23 @@ void menu_finalize(struct menu *parent) sym = parent->sym; if (parent->list) { if (sym && sym_is_choice(sym)) { - /* find the first choice value and find out choice type */ + /* find out choice type */ + enum symbol_type type = S_UNKNOWN; + for (menu = parent->list; menu; menu = menu->next) { - if (menu->sym) { - current_entry = parent; - menu_set_type(menu->sym->type); - current_entry = menu; - menu_set_type(sym->type); - break; + if (menu->sym && menu->sym->type != S_UNKNOWN) { + if (type == S_UNKNOWN) + type = menu->sym->type; + if (type != S_BOOLEAN) + break; + if (menu->sym->type == S_TRISTATE) { + type = S_TRISTATE; + break; + } } } + current_entry = parent; + menu_set_type(type); parentdep = expr_alloc_symbol(sym); } else if (parent->prompt) parentdep = parent->prompt->visible.expr; @@ -253,7 +260,16 @@ void menu_finalize(struct menu *parent) for (menu = parent->list; menu; menu = menu->next) { basedep = expr_transform(menu->dep); - basedep = expr_alloc_and(expr_copy(parentdep), basedep); + dep = parentdep; + if (sym && sym_is_choice(sym) && menu->sym) { + enum symbol_type type = menu->sym->type; + + if (type == S_UNKNOWN) + type = sym->type; + if (type != S_TRISTATE) + dep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes); + } + basedep = expr_alloc_and(expr_copy(dep), basedep); basedep = expr_eliminate_dups(basedep); menu->dep = basedep; if (menu->sym) @@ -326,7 +342,8 @@ void menu_finalize(struct menu *parent) "values not supported"); } current_entry = menu; - menu_set_type(sym->type); + if (menu->sym->type == S_UNKNOWN) + menu_set_type(sym->type); menu_add_symbol(P_CHOICE, sym, NULL); prop = sym_get_choice_prop(sym); for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
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